According to the provided information, it is not clear how the GridViewCheckBoxColumn
is setup on your end. However, I would recommend you to set its EditMode
property to OnValueChange
. Thus, you will ensure that as soon as you toggle the checkbox, the value will be committed to the associated DataBoundItem
property controls when the value of the editor will be submitted to the cell. By default, the current behavior is kept (OnValidate
) and the value will be submitted only when the current cell changes or the grid looses focus. The new value (OnValueChange
) will submit the value immediately after the editor value changes.
Thus, your custom summary item is expected to calculate the value as expected.
I hope this information helps. If you need any further assistance please don't hesitate to contact me.
Dess | Tech Support Engineer, Sr.
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