Open Parameters Panel Automatically

Open Parameters Panel Automatically

Posted by: jnissen on 14 October 2025, 1:07 pm EST

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  jnissen

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  Posted 14 October 2025, 1:07 pm EST

  Hi,

  Currently the users have a report which contains a large number of optional parameters. This is because not all the fields are always needed as they will only fill in the necessary fields when running the report. This has encountered an issue as the users are not happy with having to click a couple extra times to open the parameter panel when viewing the report in the .NET WinForm Viewer. I am looking to have the parameter panel open from the get go when you view the report similar to when there are required parameters. I have so far been unable to track down a property that I could change to control that. I’ve been toying with attempting to programmatically “click” the buttons needed that open the panel but something built-in that does this would be preferable. Does anyone know of anything?

  Thanks,
  
  Joseph

• 

  prabhat.sharma

  

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  Posted 15 October 2025, 3:02 am EST

  Hello Joseph,

  To open the Parameter Panel when viewing the report, please set the following properties for the Viewer:

  viewer.Sidebar.Visible = true;
  
  viewer.Sidebar.SelectedIndex = 3;

  We hope it helps.
  
  If you need any further assistance, please feel free to reach out.

  Regards,
  
  Prabhat Sharma.