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TreeView | When customErrors are ON all errors come back as "There was an error in the callback.s[]_$$_"

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TreeView

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

Mikhail asked on 09 Mar 2012, 04:59 PM

We are using Telerik.Web.UI v. 2009.3.1208.0.

When customErrors are ON all errors come back as "There was an error in the callback.s[]_$$_"

If customErrors are turned OFF all error come back with proper messages (what was thrown from server side)

Steps to reproduce.

1) On the server side handle NodeExpand event from the Telerik.Web.UI.RadTreeView
2) Within the method that handles the NodeExapend thrown an exception with some text "This is the error"
3) Make sure your web.config had this line <customErrors mode="On" defaultRedirect="~/Error/ErrorPage.aspx" redirectMode="ResponseRewrite" />
4) Click on the node and you will get an alert text box with the following text: "There was an error in the callback.s[]_$$_"

If customErrors are turned off alert text box comes back with the right text: "This is the error.s[]_$$_"

Please, help!

TreeView | When customErrors are ON all errors come back as "There was an error in the callback.s[]_$$_"

2 Answers, 1 is accepted