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Advanced Formm exception when try to save

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John John
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John John asked on 03 Jun 2010, 07:35 PM
Hi

I've created custom advanced for like in demo. Now, when I'm trying to save appointment, it throws exception, which says that there is another records with the same key exists in Hashtable.  Stacktrace:

[ArgumentException: Element already exists. Key in dictionary: "Subject" New key: "Subject"] System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add) +7482408 System.Collections.Hashtable.Add(Object key, Object value) +11 System.Collections.Specialized.OrderedDictionary.Add(Object key, Object value) +41 Telerik.Web.UI.RadScheduler.TranslateDataKeysFromTemplate(IDictionary data) +355 Telerik.Web.UI.RadScheduler.InsertAppointmentInline() +100 Telerik.Web.UI.RadScheduler.OnBubbleEvent(Object source, EventArgs args) +506 System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37 System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) +118 System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) +135 System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)



Any ideas?

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T. Tsonev
Telerik team
answered on 04 Jun 2010, 10:21 AM
Hi John,

Do you, by any chance, have a custom attribute that is named Subject too?

If not, we're going to need to see the page source code in order to help.

Regards,
Tsvetomir Tsonev
the Telerik team

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