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I have too many data to show. How to index it in the following figure
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This is a migrated thread and some comments may be shown as answers.
Ricardo
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Ricardo asked on 22 Feb 2019, 06:40 AM

Dear All,

I have too many data to show. How to index it in the following figure

When you use a datagridview, it will be automatically added, but how do you do that in RadGridView

Is this possible...

Best regards

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Hristo
Telerik team
answered on 22 Feb 2019, 07:12 AM
Hello Ricardo,

Thank you for writing.

A possible solution is to handle the ViewCellFormatting event and to change the text of the cell element in the indent column according to the row index. We have an article in our documentation demonstrating how this can be achieved: https://docs.telerik.com/devtools/winforms/controls/gridview/cells/formating-examples/row-numbers.

I hope this will help.

Regards,
Hristo
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Ricardo
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answered on 22 Feb 2019, 07:37 AM

Dear Hristo,

Thanks for your reply.But not what I wanted

If I don't use the ViewCellFormatting event, is there any other way to achieve this?

Can we do a SubClass to do that?

Because I have so many watches, the workload is too heavy.

Best regards

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Hristo
Telerik team
answered on 22 Feb 2019, 09:07 AM
Hello Ricardo,

The grid control is virtualized and the cell elements are reused to represent different logical cell objects: 
Currently, this is the preferred approach for adding row indices in the indent column. Handling the event as seen in the documentation article should not in any way impact the performance of the control. 

Regards,
Hristo
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