ASP.NET AJAX DropDownExtender – Tips and Tricks

(Suprotim Agarwal) The DropDownExtender is an ASP.NET AJAX control that can be attached to almost any ASP.NET control to provide a drop-down menu. For example: If you have a TextBox and a Panel control (with a checkboxlist), and you want to give the TextBox a drop-down menu, then just apply the Drop

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