You can load a button inside the CaptionSummaryCell by customizing the ControlTemplate of the GridCaptionSummaryCell using Style.
You can prevent the expanding and collapsing of the group upon clicking the button, by handling the SfDatagrid.GroupCollapsing and SfDatagrid.GroupExpanding events as shown in the below the code.
The output upon executing the above task will be as shown below.
|Article ID:||Published Date:||Last Revised Date:||Platform:||Control:|
or the page will be automatically redirected to sign-in page in 10 seconds.