hello sir,
i am using 2 dropdownlists in my gridview .on selectedindexchanged event of 1 dropdown i want to open 2nd dropdown .How can i use update panel inside gridview for this,to avoid full page postback.
Do you want to enable 2 DropDownList on SelectedIndexChangeEvent of 1 DropDownList.
Refer
Implement AJAX Cascading DropDown with DropDownList in GridView in ASP.Net
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