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UI for WinForms Forum
1 answer
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After upgrading to the latest beta (Nov. 2009) I am now seeing Child View Tabs on the grids.  How do you turn these off?
Jack
Telerik team
 answered on 28 Oct 2009
1 answer
400 views
I'm working on  project with another programmer.  After checking out the latest version from source control and attempting to open some of the windows forms in the designer, I get this error:

Could not load file or assembly 'Telerik.WinControls.UI, Version=7.1.1.0,Culture=neutral, PublicKeyToken=5bb2a467cbec794e' or one of its dependencies.The located assembly's manifest definition does not match the assemblyreference. (Exception from HRESULT: 0x80131040)

We are using RadControls for WinForms Q2 2009 SP1 and Visual Studio 2008 SP 1.  Any suggestions on how to fix this error?
Nikolay
Telerik team
 answered on 28 Oct 2009
1 answer
263 views

I have a grid with cell backcolor customized in the CellFormatting event (selected cells are highlighted as blue). Once the cells are not selected, I need to return the cell backcolor to its original color. I first tried setting e.CellElement.BackColor = Color.Empty;

 

 

 & Color.Transparent but this makes the cell as White instead of following the AlternateRowColor. After going through the documentation, I found that I can use CellElement.ResetValue(VisualElement.BackColorProperty). This seems to work better since it respects the AlternateRowColor. However, when I am using some of the Themes, it doesn't respect the ThemeColors. Is there something I am missing?

Regards,
MP

 

Jack
Telerik team
 answered on 28 Oct 2009
1 answer
262 views
Hi,

Our project requirement is to add a radio button column with yes and no in a grid view

ANy suggestions??


Smitha
Jack
Telerik team
 answered on 28 Oct 2009
1 answer
295 views

We are currently writing an application that uses a frequently updated DataTable.

We tried out your grid view to display the data, where we used DataView as binding source. 

The nature of the application is to receive continuance updates from several sources, all coming in asynchronic fashion.

The DataTable update is synchronized, and only one thread at a time updates it.

When we are using Windows.Forms.DataGridView control binded to the DataView, it seems to work fine, but when using your control we get an Invalid Index Exception once we try to sort the columns.

The current rate and volume of the updates is about 80 records per source every five seconds, with up to 100 sources, and it is suppose to increase.

Your grid has been tested with three event sources.

Is there any way to update the grid DataSource, DataTable or DataView, in an asynchronic fashion,  meaning multithreaded, without having the need to overload the main thread using BeginInvoke ?

Are there any known design patterns for that manner ?

Nick
Telerik team
 answered on 28 Oct 2009
1 answer
175 views
Hi, I am currently evaluating various docking controls for the company I work for and I am very impressed with the RadDock control. I have one small problem, however, that I believe is a bug:

I have a ToolTabStrip that has docked (Fill) inside it a ToolWindow called with a toolwindow:  PropertiesToolWindow. PropertiesToolWindow.Text = "Properties".

As I would expect  my toolwindow is displayed with the text "Properties" in the title bar and with no tabstrip visible.

Next, I drag another ToolWindow: colourToolWindow (colourToolWindow.Text = "Colour") and drop it onto my ToolTabStrip over NameToolWindow. This Docks (Fill) ColourToolWindow to the ToolTabStrip. The contents of Colour form are shown in the ToolTabStrip area. There is a toolstrip shown with the tabs "Colour" and "Properties". Colour is highlighted. So far so good. Except the title bar still has the text "Properties" where I would expect to see the text "Colour". This happens both at design time and run-time.

Thanks for your help.
Nikolay
Telerik team
 answered on 28 Oct 2009
5 answers
232 views
Hello!

When I use the default menu in a Windows Form application I can do something like this:
            this.myToolStripMenuItem.ShortcutKeys = ((System.Windows.Forms.Keys)((System.Windows.Forms.Keys.Control | System.Windows.Forms.Keys.N)));

Is there any way to do something like that with your menu controls?

Thaks in advance for your help.

Nikolay
Telerik team
 answered on 28 Oct 2009
13 answers
326 views
Is there a way to enable the grid for more excel-like behavior? At the very least I expect that when editing the data in a cell, the enter key ends and commits my edit.

Thanks,
  -- m.
Victor
Telerik team
 answered on 28 Oct 2009
5 answers
213 views
Hi,
   I have a radgridview with a checkbox column. I want to get which checkbox column ,row  i have clicked. I m not finding suitable event for it. 
Smitha Test
Top achievements
Rank 1
 answered on 28 Oct 2009
1 answer
122 views
Hi

I'm using a trial copy of RadControls for WinForms Q2 2008 SP1,version 7.1.1.0 for development

And i get the following Error while resizing column in WinForms.Gridview

================================================================================================

System.NullReferenceException was unhandled
  Message="Object reference not set to an instance of an object."
  Source="Telerik.WinControls.GridView"
  StackTrace:
       at Telerik.WinControls.UI.GridTableHeaderRowElement.OnMouseMove(MouseEventArgs e)
       at Telerik.WinControls.RadElement.DoMouseMove(MouseEventArgs e)
       at Telerik.WinControls.RadElement.CallDoMouseMove(MouseEventArgs e)
       at Telerik.WinControls.ComponentInputBehavior.OnMouseMove(MouseEventArgs e)
       at Telerik.WinControls.RadControl.OnMouseMove(MouseEventArgs e)
       at Telerik.WinControls.UI.RadGridView.OnMouseMove(MouseEventArgs e)
       at System.Windows.Forms.Control.WmMouseMove(Message& m)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
       at Telerik.WinControls.RadControl.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(Int32 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(ApplicationContext context)
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun()
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel()
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine)
       at HotkeyOrg.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81

================================================================================================

Thanks
Madhav
Nick
Telerik team
 answered on 27 Oct 2009
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