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If we render a dropdownlist as a header template of another dropdownlist to perform filtering. But parent dropdown’s popup is closing automatically if we click to open the child dropdownlist.
Sample Link : https://www.syncfusion.com/downloads/support/directtrac/general/ze/Dropdown_Header1533197768
Replication Procedure:
1. Run the application.
2. Open the popup.
3. Click another dropdownlist inside header template.
4. Parent Dropdown popup is closing.