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Vote

When the data source is changed, the last selected item in the DropDownList stays in the list of items

Issue Description:


When the data source is changed, the last selected item in the DropDownList remains in the list of items.

Sample : https://stackblitz.com/edit/angular-8t66o5-qhoayi?file=src%2Fapp.component.ts


Replication Procedure: 

  • Run the sample.
  • Click Source 1 button.
  •  And then click Source 2 button (To change the datasource).
  • Open the popup see the error.  (It will maintain the last selected item in the DropDownList)

Current Behavior : It will maintain the last selected item in the DropDownList.


Expected Behavior : It should not maintain the last selected item in the DropDownList.