ASP.NET CompareValidator - How to validate Data Type

CompareValidator example: how to validate Data Type in asp.net
CompareValidatorExample.aspx
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C/DTD XHTML 1.0 Transitional/EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
    protected void Button1_Click(object sender,System.EventArgs e){
        Label1.Text = "Form Submited. Your value is Integer";
}
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
    <head id="Head1" runat="server">
        <title>CompareValidator example: how to validate Data Type in asp.net</title>
    </head>
    
    <body>
        <form id="form1" runat="server">
            <div>
                <asp:Label ID="Label1" runat="server" Font-Size="Larger" ForeColor="DarkCyan"></asp:Label>
                <br />

                <asp:Label ID="Label2" runat="server" Text="Age" AssociatedControlID="TextBox1"></asp:Label>
                <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
                <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="TextBox1" Text="*"></asp:RequiredFieldValidator>
                <asp:CompareValidator ID="CompareFieldValidator1" runat="server" ControlToValidate="TextBox1" Operator="DataTypeCheck" Type="Integer" ErrorMessage="Input valid age">
                </asp:CompareValidator>
                <br />

                <asp:Button ID="Button1" runat="server" Text="Validate DataType" OnClick="Button1_Click" />
            </div>
        </form>
    </body>
</html>






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