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Editorial Team
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Asked: 2026-05-23T08:14:58+00:00

I have a non standard submit button in my ASP.NET form along the lines

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I have a non standard submit button in my ASP.NET form along the lines of.

<a class="button" href="#" onclick="this.blur();SubmitForm();"><span>Submit</span></a>

Due to this, my required field validator is not being invoked on the client side. How can the required field validator be invoked through Javascript?

Alternatively is there a better way to accomplish what I am attempting to do?

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1 Answer

  1. Editorial Team

    You can use in built client side function named Page_ClientValidate for this.Check out the following code snippet for the reference

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="ClientSide_Validation.aspx.cs"
    Inherits="ClientSide_Validation" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script type="text/javascript">
        function performCheck() {

            if (Page_ClientValidate()) {
            }

        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Label ID="lbl1" runat="server" Text="Please enter some value"></asp:Label>
        <asp:TextBox ID="txtbox1" runat="server"></asp:TextBox>
        <asp:RequiredFieldValidator ID="valReq" ControlToValidate="txtbox1" runat="server"
            ErrorMessage="*" Display="Dynamic">
        </asp:RequiredFieldValidator>
        <input type="button" id="btnValidate" value="Submit" onclick="performCheck()" />
        <a href="#" onclick="performCheck();">Validate</a>
    </div>
    </form>
</body>
</html>
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