Chart

The Chart object is supported in page reports, web reports and library components. It contains the following properties and the availabilities of the properties vary for different report types.

Property Name	Available For	Description
General
Class Type	Query Page Report	Indicates the class type of the object. This property is read only.
Data Inherit	Page Report, Web Report, Library Component	Indicates whether the dataset for this object is inherited from another object. This property is read only.
Dataset	Query Page Report	Indicates the dataset used by the object. This property is read only.
Instance Name	Query Page Report	Shows the instance name of the object. This property is read only.
Geometry
Height	Page Report, Web Report, Library Component	Specifies the height of the object. Enter a numeric value to change the height. Data type: Float
Width	Page Report, Web Report, Library Component	Specifies the width of the object. Enter a numeric value to change the width. Data type: Float
X	Page Report, Web Report, Library Component	Specifies the horizontal coordinate of the top left corner of the object, relative to its parent container. This property is ignored if the Position property is set to static. Enter a numeric value to change the position. Data type: Float
Y	Page Report, Web Report, Library Component	Specifies the vertical coordinate of the top left corner of the object, relative to its parent container. This property is ignored if the Position property is set to static. Enter a numeric value to change the position. Data type: Float
CSS
Class	Page Report, Web Report, Library Component	Specifies a CSS class to be applied to the object which is a valid class in the CSS file. Data type: String
Style	Page Report, Web Report, Library Component	The property can be used in two ways. Specifies a style to be applied to the object. Choose a style from the drop-down list which is available when a Style Group has been selected at the page report tab or web report or library component level and when there are styles in the Style Group that can be applied to the object, or type in the style name. Specifies a CSS selector to be applied to the object. Enter a valid class name from the CSS file. Data type: String
Others
Alternative Text	Page Report, Web Report, Library Component	Specifies the alternate text of the image, which will be shown when the image cannot be displayed. This property applies only when the chart is exported to HTML as an image chart. Enter a string to serve as the alternative text. Data type: String
Cache	Query Page Report	Specifies whether to cache the dataset for this object in the data buffer so other objects which use the same dataset can share the data rather than perform their own SQL query. Data type: Boolean
Default for Filter	Page Report, Web Report	Specifies whether to show the data component as the default component in the Apply to drop-down list of the Filter dialog in Page/Web Report Studio. Data type: Boolean Note: In the same report, only one data component's Default for Filter property can be set to true.
Export to Excel	Page Report, Web Report, Library Component	Specifies whether to include the object in the Excel result of the report. Data type: Boolean
Export to HTML	Page Report, Web Report, Library Component	Specifies whether to include the object in the HTML result of the report. Data type: Boolean
Export to PDF	Page Report, Web Report, Library Component	Specifies whether to include the object in the PDF result of the report. Data type: Boolean
Export to PostScript	Page Report, Web Report, Library Component	Specifies whether to include the object in the PostScript result of the report. Data type: Boolean
Export to Report Result	Page Report, Web Report, Library Component	Specifies whether to include the object when previewing the report in Page/Web Report Result and running the report in Page/Web Report Studio, or when the library component is used in JDashboard. Data type: Boolean
Export to RTF	Page Report, Web Report, Library Component	Specifies whether to include the object in the RTF result of the report. Data type: Boolean
Go to Detail	Query Page Report	Specifies whether to show the detailed information when you click the object in Page Report Studio. This property is available only when the object is in the group header/footer panel of a banded object. For details about its usage, refer to Obtaining Detailed Information from a Banded Object. Data type: Boolean
Invisible	Page Report, Web Report, Library Component	Specifies whether to show the object in the design area and in the results. All formulas and calculations will still be performed if the property is set to true. Data type: Boolean
Invisible for Filter Dialogs	Page Report, Web Report	Specifies whether to show the data component in the Apply to drop-down list of the Filter dialog in Page/Web Report Studio. This property cannot be edited when Default for Filter is set to true. Data type: Boolean
Logic Column	Page Report, Web Report, Library Component	Specifies whether to show the object in the next visible table cell in the same row when the column which holds the object is hidden. This property is supported when the object is in a table. Choose an option from the drop-down list. Data type: Enumeration Notes: The next visible table cell should be completely empty, that is, the cell should not hold any content including blank space. When the property for several objects in the same row is set to next visible column, and the columns holding these objects are all hidden, then only the object in the rightmost column will be shown in the next visible cell.
Position	Page Report, Web Report, Library Component	Specifies the position of the object. Choose an option from the drop-down list. Data type: Enumeration
Suppress	Page Report, Web Report, Library Component	Specifies whether to show the object in the design area and in the results. All formulas and calculations will be skipped if the property is set to true. Data type: Boolean Note: When both the Invisible and Suppress properties of an object are set to true, Suppress has the higher priority.
Suppress When No Records	Page Report, Web Report, Library Component	Specifies whether to display the object in the results when no record is returned to its parent data component. Data type: Boolean
Excel
Column Index	Page Report, Web Report	Specifies the X coordinate of the object relative to its parent container when exported to Excel or CSV, measured in cells. The Columned property at the page report tab or web report level must be set to true for this property to take effect. Data type: Integer
Column Number	Page Report, Web Report	Specifies the number of columns which will be the object's width in the exported Excel or CSV file. The Columned property at the page report tab or web report level must be set to true for this property to take effect. Data type: String
Row Index	Page Report, Web Report	Specifies the Y coordinate of the object relative to its parent container when exported to Excel or CSV, measured in cells. The Columned property at the page report tab or web report level must be set to true for this property to take effect. Data type: Integer
Row Number	Page Report, Web Report	Specifies the number of rows which will be the object's height in the exported Excel or CSV file. The Columned property at the page report tab or web report level must be set to true for this property to take effect. Data type: String
TOC
Anchor Display Value	Page Report, Web Report	Specifies a string or formula to display for the TOC entry for this object in the TOC Browser. By default it is the value of the specified object. The TOC Anchor property must be set to true for this property to take effect. Data type: String
TOC Anchor	Page Report, Web Report	Specifies whether to include the object in the TOC Browser for the report. Data type: Boolean
Platform (unavailable to organization chart)
Anti-aliasing	Page Report, Web Report, Library Component	Specifies whether to make the edges in a chart smooth. Data type: Boolean
Color When Null	Page Report, Web Report, Library Component	Specifies the color when the value is null. This property is available to heat map only and is applied when the heat map is colored only by a summary. Choose a color from the drop-down list or select Custom to customize a color. You can also enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. Data Type: String
Color When Zero	Page Report, Web Report, Library Component	Specifies the color mapping to the zero value. Available to heat map only. It works when the heat map is colored only by a summary and the Using Color When Zero property is set to true. Choose a color from the drop-down list or select Custom to customize a color. You can also enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. Data Type: String
End Color	Page Report, Web Report, Library Component	Specifies the end color of the gradient colors. This property is available to heat map only and is applied when the heat map is colored only by a summary. Choose a color from the drop-down list or select Custom to customize a color. You can also enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. Data type: String
Minimum Tick Mark Space	Page Report, Web Report, Library Component	Specifies the minimum space between two adjacent tick marks. Enter a numeric value to change the space. Data type: Float
Pattern List	Page Report, Web Report, Library Component	Specifies patterns of the data markers. Click in the value cell and click the small squares in the color tray one by one to specify the patterns for the data markers. The patterns can be one or more of the following: Automatic, Color, Texture, and Gradient. For heat maps, the Pattern List property works only when using single color and using groups as the color-by fields. Data type: String
Reverse	Page Report, Web Report, Library Component	Specifies whether to reverse the start color and the end color. This property is available to heat map only and is applied when the heat map is colored only by a summary. Data type: Boolean
Show Legend	Page Report, Web Report, Library Component	Specifies whether to make the legend visible in a chart. Data type: Boolean
Start Color	Page Report, Web Report, Library Component	Specifies the start color of the gradient colors. This property is available to heat map only and is applied when the heat map is colored only by a summary. Choose a color from the drop-down list or select Custom to customize a color. You can also enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. Data type: String
Using Color When Zero	Page Report, Web Report, Library Component	Specifies whether to map the zero value to the color specified by the property Color When Zero. If true and the minimum value < 0 < the maximum value, the colors will be from the start color to the color when zero first, and then from the color when zero to the end color. If false, the colors will be from the start color to the end color directly. This property is available to heat map only and is applied when the heat map is colored only by a summary. Data type: Boolean
Background
Border Color	Page Report, Web Report, Library Component	Specifies the color of the platform border. Choose a color from the drop-down list or select Custom to customize a color, or enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. For page report, you can also use a formula or edit an expression that returns a color. Data type: String
Border End Caps	Page Report, Web Report, Library Component	Specifies the ending style of the platform border line. Choose an option from the drop-down list. Data type: Enumeration
Border Joint	Page Report, Web Report, Library Component	Specifies the joint style of the platform border line. Choose an option from the drop-down list. Data type: Enumeration
Border Outlined	Page Report, Web Report, Library Component	Specifies whether to show the platform border line in Outline Path. If the property is set to true, the platform border line will be shown in Outline Path; otherwise, in Fill Path. Data type: Boolean
Border Style	Page Report, Web Report, Library Component	Specifies the line style of the platform border. Choose an option from the drop-down list. Data type: Enumeration
Border Thickness	Page Report, Web Report, Library Component	Specifies the width of the platform border. Enter a numeric value to change the thickness. Data type: Float
Border Transparency	Page Report, Web Report, Library Component	Specifies the transparency of the platform border, in percent. Enter a numeric value to change the transparency. Data type: Integer
Border Type	Page Report, Web Report, Library Component	Specifies the border type of the platform. Choose an option from the drop-down list. Data type: Enumeration
Border Variable Dash	Page Report, Web Report, Library Component	Specifies whether to resize the dash automatically. true - If selected, the dash size will be adjusted automatically, and the option Auto Adjust Dash in the Format Platform dialog will take effect. false - If selected, the dash size will be of fixed size, and the option Fixed Dash Size in the Format Platform dialog will take effect. Data type: Boolean
Color	Page Report, Web Report, Library Component	Specifies the color of the platform background. Applied when Fill Type of the platform background is set to color. Choose a color from the drop-down list or select Custom to customize a color, or enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. For page report, you can also use a formula or edit an expression that returns a color. Data type: String
Fill Transparency	Page Report, Web Report, Library Component	Specifies the transparency of the platform background, in percent. Enter a numeric value to change the transparency. Data type: Integer
Fill Type	Page Report, Web Report, Library Component	Specifies the fill pattern for the platform background. Choose an option from the drop-down list. Can be none, color, texture, gradient or image. Data type: Enumeration
Gradient End Color	Page Report, Web Report, Library Component	Specifies the color of the point where the gradient ends. Applied when Fill Type of the platform background is set to gradient. Choose a color from the drop-down list or select Custom to customize a color, or enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. For page report, you can also use a formula or edit an expression that returns a color. Data type: String
Gradient End X	Page Report, Web Report, Library Component	Specifies the horizontal position where the gradient ends, measured in a percentage of the platform width. Applied when Fill Type of the platform background is set to gradient. Data type: Integer
Gradient End Y	Page Report, Web Report, Library Component	Specifies the vertical position where the gradient ends, measured in a percentage of the platform height. Applied when Fill Type of the platform background is set to gradient. Data type: Integer
Gradient Start Color	Page Report, Web Report, Library Component	Specifies the color of the point where the gradient begins. Applied when Fill Type of the platform background is set to gradient. Choose a color from the drop-down list or select Custom to customize a color, or enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. For page report, you can also use a formula or edit an expression that returns a color. Data type: String
Gradient Start X	Page Report, Web Report, Library Component	Specifies the horizontal position where the gradient begins, measured in a percentage of the platform width. Applied when Fill Type of the platform background is set to gradient. Data type: Integer
Gradient Start Y	Page Report, Web Report, Library Component	Specifies the vertical position where the gradient begins, measured in a percentage of the platform height. Applied when Fill Type of the platform background is set to gradient. Data type: Integer
Gradient Style	Page Report, Web Report, Library Component	Specifies the gradient style for the platform background, applied when Fill Type of the platform background is set to gradient. Choose an option from the drop-down list. Data type: Enumeration
Image File	Page Report, Web Report, Library Component	Specifies the file name of the image, a portion of which will be displayed as the platform background. Applied when Fill Type of the platform background is set to image. Enter the file name with suffix in the value cell. If the image is outside of the current catalog, you should include the full path of the image correctly. Data type: String
Image Height	Page Report, Web Report, Library Component	The four properties, Image X, Image Y, Image Width, and Image Height, together are used to define a portion of the image (the portion is a rectangle), which will be displayed as the platform background. They take effect when Fill Type of the platform background is set to image. Image Height specifies the height of the image portion, measured in a percentage of the image height. Data type: Integer
Image Layout	Page Report, Web Report, Library Component	Specifies the layout style for the image that will be displayed as the platform background. Applied when Fill Type of the platform background is set to image. Choose an option from the drop-down list. tile - Repeats the image over the entire area (default). center - Displays the image in the center of the area. scaled - Stretches the image to cover the entire area. Data type: Enumeration
Image Width	Page Report, Web Report, Library Component	The four properties, Image X, Image Y, Image Width, and Image Height, together are used to define a portion of the image (the portion is a rectangle), which will be displayed as the platform background. They take effect when Fill Type of the platform background is set to image. Image Width specifies the width of the image portion, measured in a percentage of the image width. Data type: Integer
Image X	Page Report, Web Report, Library Component	The four properties, Image X, Image Y, Image Width, and Image Height, together are used to define a portion of the image (the portion is a rectangle), which will be displayed as the platform background. They take effect when Fill Type of the platform background is set to image. Image X specifies the distance between the left border of image and the portion that will contain the pattern, measured in a percentage of the image width. Data type: Integer
Image Y	Page Report, Web Report, Library Component	The four properties, Image X, Image Y, Image Width, and Image Height, together are used to define a portion of the image (the portion is a rectangle), which will be displayed as the platform background. They take effect when Fill Type of the platform background is set to image. Image Y specifies the distance between the top border of image and the portion that will contain the pattern, measured in a percentage of the image height. Data type: Integer
Inset Bottom	Page Report, Web Report, Library Component	Specifies the bottom position of the background area, measured in a percentage of the chart height, from the bottom edge of the chart. Data type: Float
Inset Left	Page Report, Web Report, Library Component	Specifies the left position of the background area, measured in a percentage of the chart width, from the left edge of the chart. Data type: Float
Inset Right	Page Report, Web Report, Library Component	Specifies the right position of the background area, measured in a percentage of the chart width, from the right edge of the chart. Data type: Float
Inset Top	Page Report, Web Report, Library Component	Specifies the top position of the background area, measured in a percentage of the chart height, from the top edge of the chart. Data type: Float
Radius	Page Report, Web Report, Library Component	Specifies the radius for the joint of the platform border line. Applied when Border Joint is set to joint round. Enter a numeric value to change the radius. Data type: Float
Texture Background Color	Page Report, Web Report, Library Component	Specifies the background color of the texture. Applied when Fill Type of the platform background is set to texture. Choose a color from the drop-down list or select Custom to customize a color, or enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. For page report, you can also use a formula or edit an expression that returns a color. Data type: String
Texture Foreground Color	Page Report, Web Report, Library Component	Specifies the foreground color of the texture. Applied when Fill Type of the platform background is set to texture. Choose a color from the drop-down list or select Custom to customize a color, or enter a hexadecimal RGB value (for example, 0xff0000) to specify a color. For page report, you can also use a formula or edit an expression that returns a color. Data type: String
Texture Style	Page Report, Web Report, Library Component	Specifies the texture style of the platform background. Applied when Fill Type of the platform background is set to texture. Choose an option from the drop-down list. Data type: Enumeration
Data (unavailable to organization chart)
For heat map
Color by Logarithm	Page Report, Web Report, Library Component	Specifies whether to calculate the color-by summary based on logarithm function. Available to heat map only. Choose an option from the drop-down list: None - Returns the real value of the field instead of any logarithmic value. log x - Gets the logarithm of the field with base 10. ln x - Gets the logarithm of the field with base e. Data type: String
Size by Logarithm	Page Report, Web Report, Library Component	Specifies whether to calculate the size-by summary based on logarithm function. Available to heat map only. Choose an option from the drop-down list: None - Returns the real value of the field instead of any logarithmic value. log x - Gets the logarithm of the field with base 10. ln x - Gets the logarithm of the field with base e. Data type: String
For other chart types
Category Data Mapping File	Page Report, Web Report, Library Component	Specifies the data mapping file to the object for NLS use, which takes effect for category values shown on the category (X) axis and the hints of the data markers. For example, if the data mapping file name is Category_de_DE.properties, set the value as Category (without the language and locale part). Data type: String
Category End Offset	Page Report, Web Report, Library Component	The four properties work together to control the range of the data being displayed on a chart: Category Start Offset, Category End Offset, Series Start Offset, and Series End Offset. Category End Offset specifies the ending offset of the categories. It does not apply to the charts which involve only one group. Data type: Integer
Category Format	Page Report, Web Report, Library Component	Specifies the data format for the category axis (the X axis) to display the tick mark labels in the way you choose. Click in the value cell to specify the format in the Data Format dialog. Data type: String
Category Range Data Mapping File	Page Report, Web Report, Library Component	Specifies the data mapping file to the object for NLS use, which takes effect for the special group values shown in the range of the category axis in a chart. For example, if the data mapping file name is Category_de_DE.properties, set the value as Category (without the language and locale part). Data type: String
Category Start Offset	Page Report, Web Report, Library Component	The four properties work together to control the range of the data being displayed on a chart: Category Start Offset, Category End Offset, Series Start Offset, and Series End Offset. Category Start Offset specifies the starting offset of the categories. It does not apply to the charts which involve only one group. Data type: Integer
Category Value Encoding	Page Report, Web Report, Library Component	Specifies the encoding format for values on the category axis. Choose an option from the drop-down list. Data type: String
Hint Percent Format	Page Report, Web Report, Library Component	Specifies the format for each hint percentage to the total. Click in the value cell to specify the format in the Data Format dialog. Data type: String
Hint Value Format	Page Report, Web Report, Library Component	Specifies the number format for the hint message. Click in the value cell to specify the format in the Data Format dialog. Data type: String
Hyperlink	Query Page Report, Web Report, Library Component	Specifies to add a hyperlink that refers to another report or a website to the data markers of the chart. Enter the URL of the report or website in the value cell. Data type: String
Hyperlink Target	Query Page Report, Web Report, Library Component	Specifies the target window or frame in which to display the content the Hyperlink property specifies. Choose an option from the drop-down list. Data type: String
Motion Bar Format	Page Report, Web Report, Library Component	Specifies the data format for the motion field values displayed on the motion bar. Click in the value cell to specify the format in the Data Format dialog. Data type: String
Overall Series	Page Report, Web Report, Library Component	Specifies whether to calculate the top or bottom N category values based on the series values. Data type: Boolean
Primary Data Format	Page Report, Web Report, Library Component	Specifies the data format for the primary value axis (the Y1 axis) to display the tick mark labels in the way you choose. Click in the value cell to specify the format in the Data Format dialog. Data type: String
Reverse Category	Page Report, Web Report, Library Component	Specifies whether to reverse the sequence of the category field value. Data type: Boolean
Reverse Series	Page Report, Web Report, Library Component	Specifies whether to reverse the sequence of the series field value. Data type: Boolean
Secondary Data Format	Page Report, Web Report, Library Component	Specifies the data format for the secondary value axis (the Y2 axis) to display the tick mark labels in the way you choose. Click in the value cell to specify the format in the Data Format dialog. Data type: String
Series Data Mapping File	Page Report, Web Report, Library Component	Specifies the data mapping file to the object for NLS use, which takes effect for series values shown in the legend and the hints of the data markers. Not available to bubble chart. For example, if the data mapping file name is Category_de_DE.properties, set the value as Category (without the language and locale part). Data type: String
Series End Offset	Page Report, Web Report, Library Component	The four properties work together to control the range of the data being displayed on a chart: Category Start Offset, Category End Offset, Series Start Offset, and Series End Offset. Series End Offset specifies the ending offset of the series. Data type: Integer
Series Format	Page Report, Web Report, Library Component	Specifies the data format for the series axis (the Z axis) to display the tick mark labels in the way you choose. Click in the value cell to specify the format in the Data Format dialog. Data type: String
Series Start Offset	Page Report, Web Report, Library Component	The four properties work together to control the range of the data being displayed on a chart: Category Start Offset, Category End Offset, Series Start Offset, and Series End Offset. Series Start Offset specifies the starting offset of the series. Data type: Integer
Series Value Encoding	Page Report, Web Report, Library Component	Specifies the encoding format for values on the series axis. Choose an option from the drop-down list. Data type: String
Sort Category	Page Report, Web Report, Library Component	Specifies the sorting order for the category field values. Choose an option from the drop-down list. Data type: Enumeration
Sort Series	Page Report, Web Report, Library Component	Specifies the sorting order for the series field values. Choose an option from the drop-down list. Data type: Enumeration
Swap Groups	Page Report, Web Report, Library Component	Specifies to display values from different data fields by switching data between the category and series axes, the category and value axes of a chart. By default, this property is set to false, which means no switch will take place in the chart. When it is set to true: If the chart has fields on all of its axes, data on the category and series axes will be switched. If the chart has one field on the category axis and several on the value axis, data on the category and value axes will be switched. Data type: Boolean Note: If the chart has only one field on the category axis and one on the value axis, even though the property value is set to true, there will be no switch take place on the two axes.
X HyperLink	Query Page Report, Web Report, Library Component	Specifies to add a hyperlink that refers to another report or a website to the X axis labels. Enter the URL of the report or website in the value cell. Data type: String
X Hyperlink Target	Query Page Report, Web Report, Library Component	Specifies the target window or frame in which to display the content the X Hyperlink property specifies. Choose an option from the drop-down list. Data type: String
Z HyperLink	Query Page Report, Web Report, Library Component	Specifies to add a hyperlink that refers to another report or a website to the Z axis labels. Enter the URL of the report or website in the value cell. Data type: String
Z Hyperlink Target	Query Page Report, Web Report, Library Component	Specifies the target window or frame in which to display the content the Z Hyperlink property specifies. Choose an option from the drop-down list. Data type: String
Accessibility
External CSS Class Selector	Query Page Report	Specifies a class selector to be applied to the object when exported as HTML. Enter a valid class name from the CSS file. Data type: String
External ID	Query Page Report	A representation of the standard HTML attribute id. This attribute specifies a name to the object, which must be unique in the report. Data type: String
External Title	Query Page Report	A representation of the standard HTML attribute title. This attribute offers advisory information about the object. Data type: String
LongDesc	Query Page Report	A representation of the standard HTML attribute longdesc. This attribute specifies a link to a long description of the object. Data type: String

End Caps

The property can be set to one of the following:

butt - Ends unclosed subpaths and dash segments with no added decoration.
round - Ends unclosed subpaths and dash segments with a round decoration that has a radius equal to half of the width of the pen.
square - Ends unclosed subpaths and dash segments with a square projection that extends beyond the end of the segment to a distance equal to half of the line width.

Border Joint

The property can be set to one of the following:

miter - Joins path segments by extending their outside edges until they meet.
round - Joins path segments by rounding off the corner at a radius of half the line width.
bevel - Joins path segments by connecting the outer corners of their wide outlines with a straight segment.
joint round - Joins path segments by rounding off the corner at the specified radius. The value is supported for lines in the chart platform only.

Border Type

The property can be set to one of the following:

none - The platform has no visible border lines.
raised - The platform has 3-D borders that appear as if they are raised off the page.
recess - The platform has 3-D borders that appear as if they are pressed into the page.
shadow - The platform has two shadowed borders, beneath and to the right of the platform.
solid - The platform has single-line borders.

Hyperlink

This property is used to add a hyperlink, which refers to another report or a website, to the chart data markers. For chart in a page report, you can also control the hyperlink property with a formula, which will be a good way to get required data from another report.

For example, you have two reports ReportA and ReportB in the SampleReports.cat catalog. In ReportA, the data in a banded object is grouped by customer country and a bar chart is used to illustrate the count of Customer_ID in every group. ReportB shows the information of customer, such as ID, Name, and Annual Sales. Then we build a link between the two reports. After publishing the reports to JReport Server, run ReportA and click the bar of a country, ReportB will then appear, only showing the data of the specific country. The steps are:

In JReport Designer open ReportA.cls. Create a new formula named Link_b. It might be:

string t="http://localhost:8888/jinfonet/tryView.jsp?&jrs.report=ReportB.cls&jrs.catalog=%2fSampleReports%2fSampleReports.cat&jrs.result_type=8&jrs.authorization=YWRtaW46YWRtaW4%3D&";
string t1="jrs.param$PCOUNTRY=";
string url=t+t1+"@INNER"+"&jrs.result_type=1";
return url

Notes:

Make sure that the paths of the catalog and the report in the URL are corresponding with their paths on the server.
The built-in parameter INNER is used for representing the category data. In addition, you can use OUTER for the series data.
For the X HyperLink and Z HyperLink properties, you can use @XDIM and @ZDIM respectively instead of @INNER and @OUTER.

In the Report Inspector, set the Hyperlink property of the chart platform to Link_b.
Publish the two reports with the catalog to JReport Server.
Run ReportA, point to a bar and click it, the corresponding records in ReportB will be displayed. You can also view the information of the other countries by clicking the corresponding bars in ReportA.

Hyperlink Target

Specifies the target window or frame in which to display the linked content. Can be one of the following:

<Server Setting>
Loads the linked content according to setting of the Pop Up New Window for Links option in the Customize Profile panel of the Profile dialog in JReport Server.
New Window
Loads the linked content into a new window. The window is not named.
Whole Window
Loads the linked content into the full browser window.
Same Frame
Loads the linked content into the same frame as the link.
Parent Frame
Loads the linked content into the parent frame of the frame that contains the link.
Other Frame
Loads the linked content into some other specified frame. If selected, you can also directly input the name of the frame you have defined in the text box. If the frame name does not exist, the linked content will be loaded into a new window.

Start Offset(1st.Data.Set), End Offset(1st.Data.Set), Start Offset(2nd.Data.Set), and End Offset(2nd.Data.Set)

These four properties are used to control the data source range that appears on the chart.

For 2-level-group charts, record-level charts and all kinds of combination charts, Start Offset(1st.Data.Set) and End Offset(1st.Data.Set) are used to control the starting offset and ending offset of the data series; Start Offset(2ndDataSet) and End Offset(2nd Data.Set) are used to control the range of the categories.

For 1-level-group charts, Start Offset(2nd.Data.Set) and End Offset(2nd.Data.Set) are used to control the starting offset and ending offset of the categories; Start Offset(1st.Data.Set) and End Offset(1st.Data.Set) will not work because there is no series data in chart that contains only one group.

The range of the property values can be -1 (Default, Not Set) or an integer between 0 and Number of Data Series – 1 (or, Number of Categories - 1).

If the value is out of this range, the following rules will be applied to the default value:

IF	THEN
Start Offset(1st.Data.Set) < 0	Start Offset(1st.Data.Set) = 0
Start Offset(1st.Data.Set) > max data number	Start Offset(1st.Data.Set) = max data number
End Offset(1st.Data.Set) < 0	End Offset(1st.Data.Set) = max data number
End Offset(1st.Data.Set) > max data number	End Offset(1st.Data.Set) = max data number
Start Offset(1st.Data.Set) > End Offset(1st.Data.Set) and EndOffset(1st.Data.Set) >=0	Start Offset(1st.Data.Set) = 0, End Offset(1st.Data.Set) = max data number

Same rules apply to Start Offset(2nd.Data.Set) and End Offset(2nd.Data.Set).

Notes:

If values are set to be less than 0, it means the categories or series will be displayed without any offset.
If values are set to be greater than 0 and the value of Category/Series Start Offset is greater than that of Category/Series End Offset, all of the categories or series will be displayed.

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