ASP.Net Validation Controls December 08, 2015 ASP.Net Validation Controls, RangeValidator, RegularExpressionValidator, RequiredFieldValidator, ValidationSummary In this post, I will explain to you ASP.Net validation controls. ASP.Net validation controls validate the user input data to ensure that useless, unauthenticated, or contradictory data don't get stored. ASP.Net provides the following validation controls: RequiredFieldValidator RangeValidator CompareValidator RegularExpressionValidator CustomValidator ValidationSummary Read More Share This: Facebook Twitter LinkedIn