📄 6-6.aspx
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<%@ Page Language="VB" %>
<html>
<head>
<script runat="server">
Sub ValidateBtn_Click(sender As Object, e As EventArgs)
If Page.IsValid Then
lblOutput.Text = "Page is Valid!"
Else
lblOutput.Text = "Page is InValid!"
End If
End Sub
</script>
</head>
<body>
<h3>RegularExpressionValidator Sample</h3>
<p>
<form runat="server">
<table bgcolor="#eeeeee" cellpadding="10">
<tr valign="top">
<td colspan="3">
<asp:Label id="lblOutput"
Text="Enter a 5 digit zip code"
Font-Name="Verdana"
Font-Size="10pt"
runat="server"/>
</td>
</tr>
<tr>
<td colspan="3">
<font <b>Personal Information</b>
</td>
</tr>
<tr>
<td align="right">
Zip Code:
</td>
<td>
<asp:TextBox id="TextBox1"
runat="server"/>
</td>
<td>
<asp:RegularExpressionValidator id="RegularExpressionValidator1"
ControlToValidate="TextBox1"
ValidationExpression="\d{5}"
Display="Static"
EnableClientScript="false"
ErrorMessage="Zip code must be 5 numeric digits"
runat="server"/>
</td>
</tr>
<tr>
<td></td>
<td>
<asp:Button text="Validate"
OnClick="ValidateBtn_Click"
runat="server"/>
</td>
<td></td>
</tr>
</table>
</form>
</body>
</html>
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