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.NET 4.0 .NET 4.5

Learn ASP.NET 4.5, C# and Visual Studio 2012 Essential Skills

Lesson 4-8: Use the RequiredFieldValidator control

How to use the RequiredFieldValidator control to ensure that the user has entered a value into one of your controls.

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ASPNETCentral.com

Keywords: RequiredFieldValidator control,validator,validation,ControlToValidate,validation group,ValidationGroup,required field,javascript,C#,Page.IsValid,is valid

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