Add a Doughnut Chart in the Bold Reports® Web Report Designer
You add a Doughnut Chart to a report in the Bold Reports® Web Report Designer by dragging it from the item panel. Use it to show the proportion of each item to the total as doughnut slices. It works best to display data with a small number of categories.
How do I add a doughnut chart to the report?
The Bold Reports® Web Report Designer lists the doughnut chart under the Proportion category in the item panel.
Drag and drop the doughnut chart from the item panel into the design area.

The doughnut chart renders in the design area, and the properties panel lists the chart properties.

How do I create data for the doughnut chart?
To present data in a Bold Reports® doughnut chart, create a dataset and bind data to the chart data region. This example creates a dataset using a JSON data file loaded from disk to design the report. You can download the expense analysis sample data from GitHub.
For more information, see Create an embedded dataset.
How do I assign data to the doughnut chart?
The Bold Reports® Doughnut Chart needs a minimum of one value element and one column element to render. Drop the measure or expression field you want to analyze into the Y Value(s) section. Drop the dimension that categorizes the measure into the Column section. To categorize by a series, drop the respective dimension into the Row(s) section.
To configure data in a doughnut chart, follow these steps:
-
Select the chart report item in the design area to bind data to it.
-
Click the
Propertiesicon in the configuration panel to open the property pane. Then, switch to theDATAtab.
-
Choose a dataset in the dropdown list. The dropdown lists the data available in the report.

-
Review the fields. The
Measuressection lists numeric columns and numeric expressions. TheDimensionssection lists other types of columns and dimension expressions.
-
Drag and Drop Measure Element:
Drag the numeric column (measure element) or the numeric expression column from the
Measuresection and drop it in theY Value(s)section.
The following image shows the report item design after you add the Y value field.

-
Aggregate Options:
Click the
Settingsicon (highlighted in the image) to open the aggregation type dropdown list.
Set the aggregation type that computes the selected column.

-
Drag and Drop Dimension Element:
Drag the dimension element from the
Dimensionssection and drop it into theColumnsection. The dimension measures against the numeric column(s) selected in theY Value(s)section.
The following image shows the report item design after you add the dimension field.

-
Grouping:
You can also group the added column element with another column by adding the respective dimension element into the Row(s) section.
-
Formatting Column and Row(s) sections:
You can also Filter, Sort, or Group the Column or Row(s) sections using expressions.
How do I format the doughnut chart?
You format a doughnut chart in the Bold Reports® Web Report Designer through the settings in the Properties tab.
To format a doughnut chart, follow these steps:
-
Drag and drop the doughnut chart into the design area and resize it to the required size.
-
Configure the data for the doughnut chart.
-
Select the doughnut chart and click the
Propertiesicon in the configuration panel to open the property pane.
The property pane lists the properties available for the report item with their default values.
Name
The Name property provides a unique name for the doughnut chart item in the report.

Basic Settings
The Basic Settings category of the doughnut chart contains the Show Legend and Choose Series properties shown in the following image.

Show Legend
A chart legend is text that describes the plotted data. You can toggle the visibility of the legend in the chart and customize the legend text appearance. To set or reset legend properties, see the Show Legend property.
Choose Series
The doughnut chart lists all series you add in the Choose Series dropdown. To customize a series appearance, choose the required series name from the dropdown.

To edit the selected series, click the edit button.

In this example, the Data Label Settings properties have the Show Data Label property enabled, the Label set to #PERCENT, and the UseValueAsLabel property disabled.

To customize each series using the properties panel, see Series.
Appearance
The doughnut chart Appearance properties (border style, color, width, and background color) style the chart and customize its appearance in the report design. The properties panel lists these properties under the Appearance category.


Chart Area
The doughnut chart Chart Area property customizes the area of the chart design.

Use the Color Palette property to customize the color of the chart. The Color Palette property is listed under the Chart Area category.

Title
To show or hide the doughnut chart title, toggle the Show Chart Title checkbox. Customize the chart title by editing the Title Text property of the chart. You can customize the font color, font text, font style, border, background, and position of the title.


No Data
The doughnut chart No Data property displays static text when a dataset returns empty or zero rows at runtime.

To set or reset no data message properties, see the No Data Message property section.
Page break
The doughnut chart page break property controls the amount of information on each page when you preview the report. To apply the page break property to the chart report item, follow these steps:
-
Choose a
Break Locationtype in the dropdown. The Break Location property specifies where the page break occurs.
-
To prevent predefined page breaks from being applied during report preview, enable the
Break Disabledproperty checkbox. You can also control page breaks during report preview with expressions. For details on setting and resetting page breaks dynamically, see the Set Expression and Reset Expression sections.
-
To restart page numbering on each page, enable the
Page Number Resetproperty checkbox.
Data Element
The doughnut chart data element properties control the visibility of a report item when you export the report in XML format. The properties panel lists them under the Data Element category.

Name
The Name field assigns a custom name to the chart element. The chart report item exports with the provided name.

Note: The name cannot contain spaces, and it must begin with a letter followed by letters, numbers, or the underscore character (_).
Output
The Output property controls the visibility of the chart when you export the report. Each option of the Output property performs the following operation:
- Auto or Output - Exports the chart report item.
- NoOutput - Does not export the chart report item.

Miscellaneous
The doughnut chart Miscellaneous category contains the page name, document map, bookmark, custom attributes, tooltip, and custom style properties.
Page name
The page name property names the first worksheet of the Excel workbook when you export the report to Excel format.

You can set static or dynamic text as the page name. To set and reset dynamic text, see the Set Expression and Reset Expression sections.
Document Map
A document map is a navigational feature that displays a separate side pane with a set of navigational links in a hierarchical structure when you view a report. A user can click the content in the list to navigate to the report page that displays that item. To configure the document map in the report design, see the Document Map section.
You can set static or dynamic text as the value for the document map property. To set and reset dynamic text, see the Set Expression and Reset Expression sections.
Bookmark
Bookmark links let users navigate to different parts of an SSRS report. You can add bookmarks to each textbox, image, table, or chart, or to the unique group values displayed in a tablix, to direct users to specified locations in the report. The value of the bookmark property can be your own strings or an expression. To configure bookmarks in the report design, see the Bookmark section.
You can set static or dynamic text as the value for the bookmark property. To set and reset dynamic text, see the Set Expression and Reset Expression sections.
Custom attributes
The custom attributes property sets the values for chart custom properties. To create and assign values to custom properties using the properties panel, see the Custom Properties section.
Tooltip
The Tooltip property displays informative text or values when the user hovers over the report item in the report preview. To set a tooltip for a chart item using the properties panel, see the Tooltip section.
Custom Style
The Custom Style property enables external CSS for styling report items, giving more flexibility than the built-in styling options. Use this property to meet specific design requirements and keep styling consistent across multiple reports. For a step-by-step guide on setting up custom styles in your report, see the How To section of this guide.

How do I preview the doughnut chart report?
You preview the doughnut chart report with the Preview button in the Bold Reports® Web Report Designer.
-
Click the Preview button in the top-right corner of the report header.

-
Review the report preview, shown in the following image.

Download the doughnut chart report design file from GitHub.
Frequently asked questions
Where is the doughnut chart in the item panel?
The Bold Reports® Web Report Designer lists the doughnut chart under the Proportion category in the item panel.
When should I use a doughnut chart?
Use a doughnut chart to show the proportion of each item to the total. It works best to display data with a small number of categories.