Hi,
I am facing an exception when using excel-like filtering in RadGridView and use "Null" and some other value for filtering. The details is given below.
My system information,
- OS: Windows 7, 64 bit
- IDE: Visual Studio 2013
- Language: C#, .NET 4.5
- Telerik version: 2016.1.216.40 (2016 Q1)
- Telerik Runtime version: v4.0.30319
Steps to reproduce the exception
- Create new Telerik Windows Forms Application
- Add Telerik.WinControls.GridView as reference
- In the generated RadForm add a RadGridView
- Add a text box column to the grid view
- Enable excel-like filtering in the grid view
- radGridView1.EnableFiltering = true;
- radGridView1.ShowFilteringRow = false;
- radGridView1.ShowHeaderCellButtons = true;
- Run the project
- Add 4-5 rows with any values
- Edit at least one row, clear the value and press enter. This will make the value "Null" and "Null" will become available in filtering
- Press filter button and select "Null". This will uncheck all other filters
- Now check any other value excluding "Not Null"
- The exception is thrown, here's the stack trace -
Item has already been added. Key in dictionary: 'value 1' Key being added: 'value 1'
at System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add)
at System.Collections.Hashtable.Add(Object key, Object value)
at Telerik.WinControls.UI.FilterMenuTreeElement.UpdateNodeSelectionOnCheckedChanged(RadTreeNode node)
at Telerik.WinControls.UI.FilterMenuTreeElement.treeView_NodeCheckedChanged(Object sender, RadTreeViewEventArgs e)
at Telerik.WinControls.UI.RadTreeViewElement.OnNodeCheckedChanged(TreeNodeCheckedEventArgs e)
at Telerik.WinControls.UI.RadTreeNode.OnCheckStateChanged()
at Telerik.WinControls.UI.RadTreeNode.set_CheckState(ToggleState value)
at Telerik.WinControls.UI.TreeNodeElement.ToggleElement_ToggleStateChanging(Object sender, StateChangingEventArgs args)
at Telerik.WinControls.UI.RadToggleButtonElement.OnToggleStateChanging(StateChangingEventArgs e)
at Telerik.WinControls.UI.TreeNodeCheckBoxElement.OnToggleStateChanging(StateChangingEventArgs e)
at Telerik.WinControls.UI.RadToggleButtonElement.SetToggleStateCore(ToggleState value)
at Telerik.WinControls.UI.RadToggleButtonElement.SetToggleState(ToggleState value)
at Telerik.WinControls.UI.TreeNodeCheckBoxElement.OnToggle()
at Telerik.WinControls.UI.RadToggleButtonElement.OnClick(EventArgs e)
at Telerik.WinControls.RadElement.DoClick(EventArgs e)
at Telerik.WinControls.RadElement.RaiseBubbleEvent(RadElement sender, RoutedEventArgs args)
at Telerik.WinControls.RadItem.RaiseBubbleEvent(RadElement sender, RoutedEventArgs args)
at Telerik.WinControls.RadElement.RaiseRoutedEvent(RadElement sender, RoutedEventArgs args)
at Telerik.WinControls.RadElement.RaiseBubbleEvent(RadElement sender, RoutedEventArgs args)
at Telerik.WinControls.RadItem.RaiseBubbleEvent(RadElement sender, RoutedEventArgs args)
at Telerik.WinControls.RadElement.RaiseRoutedEvent(RadElement sender, RoutedEventArgs args)
at Telerik.WinControls.RadElement.DoMouseUp(MouseEventArgs e)
at Telerik.WinControls.ComponentInputBehavior.OnMouseUp(MouseEventArgs e)
at Telerik.WinControls.RadControl.OnMouseUp(MouseEventArgs e)
at Telerik.WinControls.UI.RadTreeView.OnMouseUp(MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at Telerik.WinControls.RadControl.WndProc(Message& m)
at Telerik.WinControls.UI.RadTreeView.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(Form mainForm)
at Telerik_GridView_Test.Program.Main() in d:\Projects\Zitter\Test Projects\Telerik GridView Test\Telerik GridView Test\Program.cs:line 17
at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
Looking forward to a quick solution for this.
Thanks and Regards