Collapse All and Expand All functionality on Single click on GridView

Collapse All and Expand All functionality on Single click on GridView

Posted by: Swapnil.Walwadkar on 27 November 2017, 7:19 pm EST

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  Swapnil.Walwadkar

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  Posted 27 November 2017, 7:19 pm EST

  Hello,
  
  I am using C1 DataGrid in my MVVM project.

  I am grouping the rows according to its’category. I would like to know how we can achieve ‘Collapse All’ and ‘Expand All’ functionality on single click on GridView.

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  Ruchir.Agarwal

  

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  Posted 28 November 2017, 8:50 pm EST

  Hi,

  For expanding/collapsing all the groups in C1DataGrid, you need to use its Rows.ExpandAll() / Rows.CollapseAll() method respectively. Also, in order to be able to access grid in code behind, I have created a custom VisualTreeHelper class to find the C1DataGrid element in GridView.

  Please refer to the uploaded sample application for complete implementation.

  URL for downloading applicaiton: https://www.dropbox.com/s/3fmz4zeszvn1kv4/DataGridSample_MVVM.zip?dl=0

  Do let me know, if you need any further help.

  Regards,
  
  Ruchir Agarwal