[Solved] RadGridView crashes - on cell click after 2011 Q2 upgrade

[Irina Ziegler]

in our application 'TCB.DM.Reports.Cell' - is a cell  'TCB.DM.Reports.RowCell'. is row of cells
on mouse click event is confused and trying to assign cell clicked to a row variable. 

Was working fine in 2011 Q1.

Message: System.InvalidCastException: Unable to cast object of type 'TCB.DM.Reports.Cell' to type 'TCB.DM.Reports.RowCell'.
   at Telerik.Windows.Data.FuncExtensions.<>c__DisplayClass1`2.<ToUntypedFunc>b__0(Object item)
   at Telerik.Windows.Data.QueryableCollectionViewGroup.FindLastLevelGroupByItem(Object item)
   at Telerik.Windows.Controls.GridView.GridViewDataControl.GetRowForItem(Object item, Boolean forceGroupExpand)
   at Telerik.Windows.Controls.GridView.GridViewDataControl.OnCurrentCellInfoChanged(GridViewCellInfo currentCell)
   at Telerik.Windows.Controls.GridView.GridViewDataControl.set_CurrentCellInfo(GridViewCellInfo value)
   at Telerik.Windows.Controls.GridView.GridViewCell.UpdateOnIsCurrentChanged(Boolean newValue)
   at Telerik.Windows.Controls.GridView.GridViewCell.IsCurrentChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
   at Telerik.Windows.PropertyMetadata.<>c__DisplayClass1.<Create>b__0(DependencyObject d, DependencyPropertyChangedEventArgs e)
   at System.Windows.DependencyObject.RaisePropertyChangeNotifications(DependencyProperty dp, Object oldValue, Object newValue)
   at System.Windows.DependencyObject.UpdateEffectiveValue(DependencyProperty property, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, ValueOperation operation)
   at System.Windows.DependencyObject.SetValueInternal(DependencyProperty dp, Object value, Boolean allowReadOnlySet)
   at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
   at Telerik.Windows.Controls.GridView.GridViewCell.set_IsCurrent(Boolean value)
   at Telerik.Windows.Controls.GridView.GridViewDataControl.OnCellMouseDown(GridViewCell cell, MouseButtonEventArgs args)
   at Telerik.Windows.Controls.GridView.GridViewCell.OnMouseLeftButtonDown(MouseButtonEventArgs e)
   at System.Windows.Controls.Control.OnMouseLeftButtonDown(Control ctrl, EventArgs e)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName)   

[Maya]

Hello Irina Ziegler,

In order to provide an appropriate solution, I would need slightly more details. Do you work with the GridViewCell-s and GridViewRow-s ? Do you handle a particular event ?
Generally, any relevant information or code-snippets would be helpful.
 

Best wishes,
Maya
the Telerik team