How to validate a DropDownList or ListBox using RequiredfieldValidator control?

 Posted by vishalneeraj-24503 on 2/2/2015 | Category: ASP.NET Interview questions | Views: 1320 | Points: 40

RequiredfieldValidator has a InitialValue property ,by which we can validate dropdownlist,listbox control.
We have to set InitialValue property to 0 and dropdownlist control also has 0 value at first index as -Select- text.

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