How to use CustomValidator in aspx page?
The CustomValidator control allows you to write a method to handle the validation of the value entered in aspx page and you can use this in this way: <asp:CustomValidator ID=”CustomValidator1″ runat=”server” ErrorMessage=”Sms length is exceeding over 160.” ClientValidationFunction=”validateLength” ControlToValidate=”txtSmsMessage” SetFocusOnError=”True” ValidationGroup=”add”>*</asp:CustomValidator> <script language=”javascript” type=”text/javascript”> function validateLength(oSrc, args) { args.IsValid =… Continue reading