Hi friends,I am trying to use a RegularExpressionValidator for email ID text box. Everything works fine till I add an AJAX TextBoxWatermarkExtender for the same text box. I have given the WatermarkText="Email" for the text box. When I push the submit button, the RegularExpressionValidator fires and says Invalid Email ID. When I clear the same text box, no issues and the records are saved.I strongly suspect that the RegularExpressionValidator is taking the text of the watermark, ie "Email" as an invalid email ID. To test this I gave the text as "email@example.com" for the TextBoxWatermarkExtender and it did not fire the RegularExpressionValidator.The Email ID field in my page is not mandatory but should have a valid email ID. Have any one faced same issue and does any one have a solution to this?I am pasting the code below:<asp:TextBox ID="txtEmail" runat="server" MaxLength="50" ToolTip="Enter Email" CssClass="input"
runat="server" Enabled="True" TargetCo
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