📄 customvalidator.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<Script Runat="Server">

Sub Button_Click( s As Object, e As EventArgs )
  If IsValid Then
    Response.Redirect( "ThankYou.aspx" )
  End If
End Sub

Sub CustomValidator_ServerValidate( s As Object, e As ServerValidateEventArgs )
  Dim strValue As String

  strValue = e.Value.ToUpper()
  If strValue.IndexOf( "ASP.NET UNLEASHED" ) > -1 Then
    e.IsValid = True
  Else
    e.IsValid = False
  End If
End Sub

</script>

<html>
<head>

<Script Language="VBScript">
Sub CustomValidator_ClientValidate( s, e )
  Dim strValue

  strValue = UCase( e.Value )
  If Instr( strValue, "ASP.NET UNLEASHED" ) > 0 Then
    e.IsValid = True
  Else
    e.IsValid = False
  End If
End Sub
</Script>

<title>CustomValidator.aspx</title>
</head>
<body>

<form Runat="Server">

Enter the name of your favorite book:
<br>
<asp:CustomValidator
  ControlToValidate="txtFavBook"
  ClientValidationFunction="CustomValidator_ClientValidate"
  OnServerValidate="CustomValidator_ServerValidate"
  Display="Dynamic"
  Text="You must type ASP.NET Unleashed!"
  Runat="Server" />

<br>
<asp:TextBox
  ID="txtFavBook"
  TextMode="Multiline"
  Columns="50"
  Rows="3"
  Runat="Server" />

<p>
<asp:Button
  Text="Submit!"
  OnClick="Button_Click"
  Runat="Server" />

</form>
</body>
</html>

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