The following code is the code behind of a blank page (With a scriptmanager)
on which I'm trying to simulate a problem I'm having elsewhere in a larger
app.
The app is supposed, in this case, to dynamically create a textbox and a
MaskEditExtender and associate the 2 together.
I'm obviously doing something wrong as I'm getting a exception.
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[NullReferenceException: Object reference not set to an instance of an object.]
AjaxControlToolkit.MaskedEditExtender.OnLoad(Event Args e) +168
System.Web.UI.Control.LoadRecursive() +65
System.Web.UI.Control.LoadRecursive() +190
System.Web.UI.Control.LoadRecursive() +190
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint,
Boolean includeStagesAfterAsyncPoint) +2603
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Any Ideas?
--
Rory
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Public Partial Class ControlTesting
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
Handles Me.Load
Controls.Add(New SpecialControl)
End Sub
End Class
Public Class SpecialControl
Inherits WebControl
Implements INamingContainer
Private Sub SpecialControl_Load(ByVal sender As Object, ByVal e As System.EventArgs)
Handles Me.Load
Dim ControlAsTextBox As New TextBox
ControlAsTextBox.ID = "TextBox"
ControlAsTextBox.CssClass = "textbox"
ControlAsTextBox.AutoCompleteType = AutoCompleteType.Disabled
Dim Mask As String = "LL-#####"
If Mask <String.Empty Then
Dim MyExtender As New AjaxControlToolkit.MaskedEditExtender
MyExtender.Mask = Mask
MyExtender.TargetControlID = ControlAsTextBox.ID
MyExtender.MessageValidatorTip = True
MyExtender.OnFocusCssClass = "MaskedEditFocus"
MyExtender.OnInvalidCssClass = "MaskedEditError"
MyExtender.MaskType = AjaxControlToolkit.MaskedEditType.None
MyExtender.InputDirection = AjaxControlToolkit.MaskedEditInputDirection.LeftTo Right
MyExtender.AcceptNegative = AjaxControlToolkit.MaskedEditShowSymbol.None
MyExtender.DisplayMoney = AjaxControlToolkit.MaskedEditShowSymbol.None
MyExtender.ErrorTooltipEnabled = True
Controls.Add(MyExtender)
End If
End Class
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