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Error with Custom Control

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ScriptManager and StyleSheetManager

This is a migrated thread and some comments may be shown as answers.

Sonny Chouinard asked on 29 Oct 2009, 06:03 PM

I Get a javascript error when I put the following control in the same page as a ScriptManager.

If i remove the

<telerik:RadScriptManager ID="RadScriptManager1" runat="server">

</telerik:RadScriptManager>

tag, no error happen.
What can i do to solve this?

Javascript Error

    
            Webpage error details 
        
            User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 1.0.3705) 
        
            Timestamp: Thu, 29 Oct 2009 19:03:10 UTC 
        
            Message: Object doesn't support this property or method 
        
            Line: 15 
        
            Char: 27336 
        
            Code: 0 
        
            URI: http://localhost/WebRequest40/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=ScriptManager1_HiddenField&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d3.5.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3afr-CA%3a0d787d5c-3903-4814-ad72-296cea810318%3a52817a7d%3a67c678a8%3bTelerik.Web.UI%2c+Version%3d2008.3.1125.35%2c+Culture%3dneutral%2c+PublicKeyToken%3d121fae78165ba3d4%3afr-CA%3afd794f69-50b6-4e80-a52c-60fb1a05429c%3a393f5085%3aa8595f70%3a9efc6f46%3a4b6f7e66%3a80ec1d93%3ae9e0cae%3ac6335cbd%3a414de951%3a6dd34527%3a526d426%3a80c4ad6d%3a527acb41%3a6f2bcae9%3a34f9d57d

Telerik Version=2008.3.1125.35

Custom control

    
            Imports System.ComponentModel 
        
            Imports System.Web.UI 
        
            Imports Telerik.Web.UI 
        
            Public Class ValidatingTextbox 
        
                Inherits Textbox 
        
                Implements IPostBackEventHandler 
        
                Public Delegate Sub OnBlurDelegate(ByVal sender As Object, ByVal e As EventArgs) 
        
                Public Event Blur As OnBlurDelegate 
        
                Protected Overrides Sub OnInit(ByVal e As System.EventArgs) 
        
                    MyBase.OnInit(e) 
        
                    If Not Page.ClientScript.IsClientScriptBlockRegistered("OnBlurTextBoxEvent") Then 
        
                        Page.ClientScript.RegisterStartupScript(MyBase.GetType, "OnBlurTextBoxEvent", GetScript, True) 
        
                        Attributes.Add("onblur", "OnBlurred(" & UniqueID & ",'')") 
        
                    End If 
        
                End Sub 
        
                Protected Sub OnBlur() 
        
                    RaiseEvent Blur(Me, EventArgs.Empty) 
        
                End Sub 
        
                Private Function GetScript() As String 
        
                    Return "function OnBlurred(control, arg)" & vbCrLf & _ 
        
                            "{" & vbCrLf & _ 
        
                            "    __doPostBack(control, arg);" & vbCrLf & _ 
        
                            "}" 
        
                End Function 
        
                Public Sub RaisePostBackEvent(ByVal eventArgument As String) Implements System.Web.UI.IPostBackEventHandler.RaisePostBackEvent 
        
                    OnBlur() 
        
                End Sub 
        
            End Class

The page looks like this:

    
            </head> 
        
            <body> 
        
                <form id="form1" runat="server"> 
        
                <div> 
        
                    <br /> 
        
                    <telerik:RadScriptManager ID="RadScriptManager1" runat="server"> 
        
                    </telerik:RadScriptManager> 
        
                     <cc1:ValidatingTextbox CssClass="input" ID="txtRecordTest2" Style="left: 200px; position: absolute;" 
        
                                            TabIndex="5" runat="server" Width="141px" AutoPostBack="True"/> 
        
                    <br /> 
        
                </div> 
        
                </form> 
        
            </body> 
        
            </html>

the code behind

    
            Partial Public Class test 

                Inherits System.Web.UI.Page 
        
                Private Sub txtRecordTest2_Blur(ByVal sender As Object, ByVal e As System.EventArgs) Handles txtRecordTest2.Blur 
        
                    'Some thing is done 
        
                End Sub 
        
            End Class

Error with Custom Control

2 Answers, 1 is accepted