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Controls not showing on form

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Morgan
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Morgan asked on 23 May 2011, 08:08 PM
When I drop a RAD control on a form, the control does not show on the design surface of the form - it goes to the components section of the form (where timers and dialogs components are shown).

Do I have a bad build? I'm using the .dll's only, not a full install of the 2011 Q1 release.

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Stefan
Telerik team
answered on 25 May 2011, 03:40 PM
Hi Morgan,

Thank you for writing.

The observed behavior is most likely to be caused by a missing Telerik.WinControls.UI.Design.dll in your GAC (Global Assembly Cache). Since you are using only the dll's, please add only this assembly to GAC, restart Visual Studio and try again. Please refer to this Knowledge Base article, which demonstrates how to add assemblies in GAC.

I hope you find this information helpful. Should you have any other questions, do not hesitate to contact us.
 
Kind regards,
Stefan
the Telerik team
Q1’11 SP1 of RadControls for WinForms is available for download; also available is the Q2'11 Roadmap for Telerik Windows Forms controls.
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Ryan
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answered on 31 Oct 2013, 08:44 PM
I have the same issue, but it's the radDropDownList that will not show, however, the radMultiColumnComboBox worked just fine.

Here is my Telerik related GAC items:

 Telerik.WinControls, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.ChartView, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.CodedUI.2010, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.GridView, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.PdfViewer, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.PivotGrid, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.RadChart, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.RadDock, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.RadMarkupEditor, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.RichTextBox, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Scheduler, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.SpellChecker, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Aqua, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Breeze, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Desert, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.HighContrastBlack, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Office2007Black, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Office2007Silver, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Office2010Black, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Office2010Blue, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Office2010Silver, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.TelerikMetro, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.TelerikMetroBlue, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.TelerikMetroTouch, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.VisualStudio2012Dark, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.VisualStudio2012Light, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.Themes.Windows7, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.UI, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  Telerik.WinControls.UI.Design, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  TelerikCommon, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
  TelerikData, Version=2013.1.220.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e, processorArchitecture=MSIL
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Stefan
Telerik team
answered on 01 Nov 2013, 07:20 AM
Hello Ryan,

This does not seem to the the same case as the one Morgan reported and since I am not able to guess what might be causing this I would like to kindly ask you to open a new support ticket and provide me with your project there. Also, please clarify whether 2013.1.220 is the only version installed on your PC and in your GAC.

Thank you.

Regards,
Stefan
Telerik
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Deepa
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answered on 12 Feb 2021, 07:40 PM
I have tried reinstalling few times. I can not drag the controls on my form at all. It seems to be installed fine but nothing works
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Dess | Tech Support Engineer, Principal
Telerik team
answered on 15 Feb 2021, 05:38 AM

Hi, Deepa,

According to the provided information, it wouldn't be easy to determine what causes the issue on your end. Usually, if the toolbox version is different than the version of the referred assemblies in your project, the dragged and dropped control may be displayed in the components tray below form's designer. Please make sure that both versions are the same.

I would like to ask you to carefully check the references to all Telerik controls in your project and make sure that they are the same version considering the suffix as well (.20 or .40). Better yet, you can remove all references and add them anew by using the DLLs from your fresh installation. Delete the license.licx file. After that, you should rebuild your project, close Visual Studio and open it again to make sure that no references are kept in the memory by Visual Studio.  

The toolbox version depends on the version of the Telerik UI for WinForms suite installed in GAC. The following KB article demonstrates how to inspect whether old versions are available in GAC and remove them if any exist: https://docs.telerik.com/devtools/winforms/knowledge-base/examine-the-gac 

Last thing that I can suggest you to try after following all of the above mentioned steps is to right-click the toolbox and reset it:

I hope this information helps. If you need any further assistance please don't hesitate to contact me. 

Regards,
Dess | Tech Support Engineer, Sr.
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Morgan
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Stefan
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Ryan
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Dess | Tech Support Engineer, Principal
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