Saturday, February 4, 2012

How to Validate E-Mail address in Asp.net Text box

To validate E-mail address in asp.net Text box .

Step 1: Design a Textbox and post in web page.

Step 2: Enter in to the Coding mode .

Step3: Below the Textbox coding enter the following expression coding.

   <asp:RegularExpressionValidator id="RegularExpressionValidator1" runat="server" ControlToValidate="TextBox10"
  ErrorMessage="You must enter an email address"
  ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*">
</asp:RegularExpressionValidator>

Step 4: Press F5 and validate the text box.

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