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refresh after delete folder

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FileExplorer
This is a migrated thread and some comments may be shown as answers.
Hamdy
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Hamdy asked on 04 Aug 2010, 10:50 AM
I have file explorer control
I did the manual delete event in the ItemCommand event

 Protected Sub FileExplorer1_ItemCommand(ByVal sender As Object, ByVal e As Telerik.Web.UI.RadFileExplorerEventArgs) Handles FileExplorer1.ItemCommand
 
Select Case e.Command
                Case "DeleteDirectory"
                    Dim dirInfo As New DirectoryInfo(sCurrentFolder)
                        sCurrentFolder = e.Path.Substring(InStr(e.Path, sBaseDir) + Len(sBaseDir)) + "\"
                        FileSystemUtils.DeleteFolder(SiteId, dirInfo, sCurrentFolder)
                        ScriptManager.RegisterStartupScript(Me.Page, Page.[GetType](), "RefreshAfterAddFolder", "setTimeout ('RefreshAfterAddFolder();',3500);", True)


in the aspx I put that JS function

   function RefreshAfterAddFolder() {
                var oExplorer = $find('FileExplorer1');
                oExplorer.refresh();
}



Every thing was OK in the local but after publishing the site I have this error
Callback loading error
please see the attachment photo

I removed the line  oExplorer.refresh(); from the JS function it works but sure not refreshing
What to do???

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Fiko
Telerik team
answered on 09 Aug 2010, 09:03 AM
Hello Hamdy,

RadFileExplorer control is based on MS AJAX client-side framework and it needs that Framework to be fully loaded in order to use the RadFileExplorer's clint-side object. This is why you need to use the Load event of the framework in order detect when its is fully loaded. Then you can find the RadFileExplorer control and call its methods.

In addition, I recommend you to cancel the ItemCommand event (e.Cancel = true). I recommend you this in order to avoid two simultaneous callbacks at the same time: the first one which is triggered when a file/folder is deleting and the second one which will occur when the oExplorer.refresh(); is called.

In case that the suggested does not help, could you please open a new support ticket and send me a runnable project which shows the problem? I will rework it in order to make it to work and send it back.

I hope this helps.

Kind regards,
Fiko
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FileExplorer
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Hamdy
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Answers by
Fiko
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