I have a ComboBoxEdit (StrataFrame Wrapped version of DevExpress ComboBoxEdit) that is being populated using the PopulationDataSourceSettings property and is bound to a BO and the PopulationType property is set to BusinessObject.



The peculiar thing is that when i start typing in the ComboBoxEdit it begins autocompleting as I type. However if I misspell anyone of the entries in the combo an exception is thrown... Here is the stack:



Specified cast is not valid.



Exception (InvalidCastException): Message="Specified cast is not valid."; Source="STI"; Target=null; Tag=null;



Environment: ThreadIdentity="" DateTime=["2007-08-14 14:44:10.873"] ThreadName=null WindowsIdentity="STRUSS\MMurphy" ThreadId="10" DomainName="STI.vshost.exe" OSVersion=["Microsoft Windows NT 5.1.2600 Service Pack 2"] MachineName="1LPMMURPHY2" UserName="MMurphy"



Remaining Stack Trace

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

at STI.ReturnsBO.FieldRTCustomerIDDescriptor.SetValue(Object component, Object Value) in C:\Documents and Settings\MMurphy\My Documents\Visual Studio 2005\Projects\STI2K5\Business Objects\ReturnsBO.Designer.vb:line 987

at System.Windows.Forms.BindToObject.SetValue(Object value)

at System.Windows.Forms.Binding.PullData(Boolean reformat, Boolean force)

at System.Windows.Forms.Binding.TargetPropertyChanged(Object sender, EventArgs e)

at DevExpress.XtraEditors.Repository.RepositoryItemComboBox.RaiseSelectedValueChanged(EventArgs e)

at DevExpress.XtraEditors.ComboBoxEdit.UpdatePopupEditValueIndex(Int32 prevIndex)

at DevExpress.XtraEditors.ComboBoxEdit.setEditValue(Object value)

at DevExpress.XtraEditors.TextEdit.setText(String value)

at DevExpress.XtraEditors.TextEdit.SetTextCore(String text)

at DevExpress.XtraEditors.PopupBaseAutoSearchEdit.FindUpdateEditValueAutoSearchText()

at DevExpress.XtraEditors.PopupBaseAutoSearchEdit.ProcessFindItem(Int32 selectionStart, Char pressedKey)

at DevExpress.XtraEditors.PopupBaseAutoSearchEdit.ProcessAutoSearchChar(KeyPressEventArgs e)

at DevExpress.XtraEditors.PopupBaseAutoSearchEdit.ProcessChar(KeyPressEventArgs e)

at DevExpress.XtraEditors.PopupBaseAutoSearchEdit.OnEditorKeyPress(KeyPressEventArgs e)

at DevExpress.XtraEditors.BaseEdit.OnKeyPress(KeyPressEventArgs e)

at DevExpress.XtraEditors.TextEdit.OnMaskBoxKeyPress(Object sender, KeyPressEventArgs e)

at System.Windows.Forms.Control.OnKeyPress(KeyPressEventArgs e)

at DevExpress.XtraEditors.Mask.MaskBox.OnKeyPress(KeyPressEventArgs e)

at System.Windows.Forms.Control.ProcessKeyEventArgs(Message& m)

at DevExpress.XtraEditors.TextBoxMaskBox.ProcessKeyEventArgs(Message& m)

at System.Windows.Forms.Control.ProcessKeyMessage(Message& m)

at System.Windows.Forms.Control.WmKeyChar(Message& m)

at System.Windows.Forms.Control.WndProc(Message& m)

at System.Windows.Forms.TextBoxBase.WndProc(Message& m)

at System.Windows.Forms.TextBox.WndProc(Message& m)

at DevExpress.XtraEditors.Mask.MaskBox.BaseWndProc(Message& m)

at DevExpress.XtraEditors.Mask.MaskBox.MaskStrategy.SimpleStrategy.DoWndProc(Message& m)

at DevExpress.XtraEditors.Mask.MaskBox.WndProc(Message& m)

at DevExpress.XtraEditors.TextBoxMaskBox.WndProc(Message& msg)

at System.Windows.Forms.Control.ControlNativewindow.OnMessage(Message& m)

at System.Windows.Forms.Control.ControlNativewindow.WndProc(Message& m)

at System.Windows.Forms.Nativewindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)





Not sure what is going on. Any ideas?