Is Checkbox visible / enabled

[Shaun]

Hi,

I have a CheckBoxColum who's visibility is set within ViewCellFormatting.

I also have a check box in the header to select all.

When the header is checked all rows are updates, visible or not.

On the menu command I loop through all checked rows and output to Excel.

Is there a way to test is a cell is visible and checked within the ContextMenuOpening event?

Cheers

Shaun.

 

 

 

[Dimitar]

Hi Shaun,

Thank you for writing.

Please note that the ViewCellFormating is only fired for the currently visible cells. In you case there must be a way to determine if a cell should be visible or not. In this case, you can iterate all grid cells and set their Tag property to a specific value. Later you can check the Tag in the ViewCellFormating and when you are executing your menu action.

I hope this helps. Should you have any other questions do not hesitate to ask.

Regards,
Dimitar
Telerik

[Shaun]

Hi Dimitar,

Thanks for getting back to me, great idea, nice and simple.

What I'm noticing now is the grid / application freezes when clicking on the header checkbox.

I've got around 3000 rows, when I filter on a column then click the checkbox in another column header the screen freezes for a few minutes. Any ideas?

Cheers

Shaun

[Dimitar]

Hello Shaun,

Thank you for writing back.

I am not sure why there is a delay on your side. This is why I have attached my test project. Could you please check it and let me know what I need to change in orde to reproduce this?

I am looking forward to your reply.

Regards,
Dimitar
Telerik