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How to customize the values displayed in Combobox?

Platform: Dashboard Platform |
Control: Dashboard Widgets |
Published Date: March 31, 2017 |
Last Revised Date: May 9, 2019

Steps to customize the values displayed in a Combo Box

You need to create an expression for the specific column using Expression Designer.

  1. To open Expression Designer, click + icon present in Expression columns section in the Data tab of Designer’s control preview tab.

 

Adding the Expression column

 

  1. Click add in the Expression Designer window to add a new expression column.

 

https://help.syncfusion.com/dashboard-platform/dashboard-designer/transforming-data/images/expressiondesignerwizard.png

 

  1. Now create Expression with CONCAT string function and Save.

Sample Expression: CONCAT([Country],’ – Rank=’,[Rank]).

 

Creating the Expression

 

  1. Now Drag and Drop the created expression column into Column Section.

 

Drag and Drop the created Expression into Expression column

 

  1. It will display result like below in Combo Box.

 

Result displayed in Combobox

 

  1. On applying filter from Combo Box in viewer, it will filter values based on the column that you have used to create an Expression (i.e. CONCAT([Country],’ – Rank=’,[Rank])).

 

Expression column based filter applied to the Dashboard

 
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