Using the RangeValidator control to test an integer value : RangeValidator « Validation « ASP.NET Tutorial
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- RangeValidator
<%@ Page Language="VB" %>
<script runat="server">
Protected Sub Button1_Click(sender As Object, e As EventArgs)
Label1.Text = "Passwords match"
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>CompareFieldValidator</title>
</head>
<body>
<form id="Form1" runat="server">
Age:
<asp:TextBox ID="TextBox1" Runat="server"></asp:TextBox>
<asp:RangeValidator ID="RangeValidator1"
Runat="server"
ControlToValidate="TextBox1"
Type="Integer"
ErrorMessage="You must be between 30 and 40"
MaximumValue="40"
MinimumValue="30"></asp:RangeValidator>
<asp:Button ID="Button1" OnClick="Button1_Click"
Runat="server" Text="Login"></asp:Button>
<asp:Label ID="Label1" Runat="server"></asp:Label>
</form>
</body>
</html>