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Polia
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Polia asked on 12 Jul 2013, 12:32 PM
Hi, is there any way I can freeze columns in radtreelist with vertical and horizontal scrollbars?
I know there is no option for that, but is it possible from client-side?
Thanks

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Konstantin Dikov
Telerik team
answered on 17 Jul 2013, 12:17 PM
Hi Polia,

Thank you for contacting us.

Unfortunately RadTreeList does not support frozen columns. Usually, in order to achieve frozen columns, the layout of the control have to be changed which can`t be accomplished on client-side.

If we can be of any further assistance, please feel free to contact us again.


Kind Regards,
Konstantin Dikov
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Thiago
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answered on 05 Jan 2018, 02:08 PM
Hello, Does the freeze a RadTreeList feature already exist?

Thank you
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Marin Bratanov
Telerik team
answered on 09 Jan 2018, 03:46 PM

Hello Thiago,

This feature has been requested and you can cast your vote and comments here: https://feedback.telerik.com/Project/108/Feedback/Details/169180-add-frozen-column-fuctionality-for-radtreelist. The Follow button will allow you to get notifications for any changes in its state.

Regards,

Marin Bratanov
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Surendar S
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answered on 20 Jul 2019, 01:06 PM

I am exporting the data from the treelist to Excel using the Export to Excel option. I can format each of the column width using the InfrastructureExporting event. But I could not find a way to freeze the header as well as filter the header in the exported excel file.

Is there a way to accomplish this?

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Peter Milchev
Telerik team
answered on 26 Jul 2019, 07:49 AM

Hello Surendar,

For convenience and better visibility from the community, I am sharing the answer from the support ticket.

In the InfrastructureExporting event, you can access the ExportOutput and convert it to a WorkBook from the DocumentProcessing. Then, you can use the Document Processing Library API to freeze and add filters. 

I have attached a sample page that adds a filter row for the RadGrid. As the Excel file is configured and created via the DocumentProcessing library, it does not matter if the original data comes from the RadGrid or the TreeList. 

Regards, Peter Milchev
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Polia
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Konstantin Dikov
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Thiago
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Marin Bratanov
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Surendar S
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Peter Milchev
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