WeakReference exception when disposing GridDataBoundGrid

[Eugene Mishura]

Form.Dispose(bool) method fails with the exception (stak trace is below). I am using Essential Grid version 2.0.3.0

catched at Syncfusion.Windows.Forms.Grid.GridTextBoxControl.WndProc(Message& msg) System.InvalidOperationException: Handle is not initialized.
at System.WeakReference.get_IsAlive()
at Syncfusion.Windows.Forms.Grid.GridFontInfo.get_GdipFont()
at Syncfusion.Windows.Forms.Grid.GridStyleInfo.get_GdipFont()
at Syncfusion.Windows.Forms.Grid.GridStyleInfo.get_GdipFont()
at Syncfusion.Windows.Forms.Grid.GridDataBoundGrid.get_Font()
at System.Windows.Forms.Control.GetParentFont()
at System.Windows.Forms.Control.get_Font()
at System.Windows.Forms.RichTextBox.get_Font()
at System.Windows.Forms.Control.AssignParent(Control value)
at System.Windows.Forms.ControlCollection.Remove(Control value)
at System.Windows.Forms.Control.Dispose(Boolean disposing)
at System.ComponentModel.Component.Dispose()
at Syncfusion.Windows.Forms.Grid.GridTextBoxCellRenderer.Dispose(Boolean disposing)
at Syncfusion.ComponentModel.NonFinalizeDisposable.Dispose()
at Syncfusion.Windows.Forms.Grid.GridCellRendererCollection.Clear()
at Syncfusion.Windows.Forms.Grid.GridCellRendererCollection.Dispose(Boolean disposing)
at Syncfusion.ComponentModel.NonFinalizeDisposable.Dispose()
at Syncfusion.Windows.Forms.Grid.GridControlBase.Dispose(Boolean disposing)
at Syncfusion.Windows.Forms.Grid.GridControlBaseImp.Dispose(Boolean disposing)
at Syncfusion.Windows.Forms.Grid.GridDataBoundGrid.Dispose(Boolean disposing)
at System.ComponentModel.Component.Dispose()
at System.Windows.Forms.Control.Dispose(Boolean disposing)
at System.Windows.Forms.ContainerControl.Dispose(Boolean disposing)
at System.Windows.Forms.Form.Dispose(Boolean disposing)

Grid DataSource property is set to null before disposing

[Administrator]

Before zapping the grid, try making sure there is not an active current cell with code like

this.grid.CurrentCell(-1, -1);

You should upgrade to release 2.0.5.1. 2.0.3.0 is a beta release.

[Eugene Mishura]

grid.CurrentCell.MoveTo(-1,-1) to be precise...

Unfortunately, it does not work. I have the same exception.
I even tried to clear current selection like
grid.Model.SelectedRanges.Clear();

but it caused other exception when I try to set
grid.DataSource=null
The other exception says:

catched at Syncfusion.Windows.Forms.Grid.GridTextBoxControl.WndProc(Message& msg) System.NullReferenceException: Object reference not set to an instance of an object.
at Syncfusion.Windows.Forms.Grid.GridModel.get_Item(Int32 rowIndex, Int32 colIndex)
at Syncfusion.Windows.Forms.Grid.GridControlBase.GetViewStyleInfo(Int32 rowIndex, Int32 colIndex, Boolean forceQueryCellInfo)
at Syncfusion.Windows.Forms.Grid.GridControlBase.GetViewStyleInfo(Int32 rowIndex, Int32 colIndex)
at Syncfusion.Windows.Forms.Grid.GridControlBase.GetCellRenderer(Int32 rowIndex, Int32 colIndex)
at Syncfusion.Windows.Forms.Grid.GridCurrentCell.Activate(Int32 rowIndex, Int32 colIndex, GridSetCurrentCellOptions options)
at Syncfusion.Windows.Forms.Grid.GridCurrentCell.Activate(Int32 rowIndex, Int32 colIndex)
at Syncfusion.Windows.Forms.Grid.GridDataBoundGrid.BinderDataSourceChanged(Object sender, EventArgs e)
at Syncfusion.Windows.Forms.Grid.GridModelDataBinder.OnDataSourceChanged(EventArgs e)
at Syncfusion.Windows.Forms.Grid.GridModelDataBinder.Set_ListManager(Object newDataSource, String newDataMember, Boolean force, Boolean forceColumnCreation)
at Syncfusion.Windows.Forms.Grid.GridModelDataBinder.Set_ListManager(Object newDataSource, String newDataMember, Boolean force)
at Syncfusion.Windows.Forms.Grid.GridModelDataBinder.set_DataMember(String value)
at Syncfusion.Windows.Forms.Grid.GridModelDataBinder.set_DataSource(Object value)
at Syncfusion.Windows.Forms.Grid.GridDataBoundGrid.set_DataSource(Object value)

[Administrator]

Have you tried the release version?