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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