By traversing the table rows and cells, you can get to the controls in the cell (i.e. table.Rows.Cells.Controls collection). You can get a reference to the checkbox and test for its checked property. If it's checked, you can delete the row just by removing it from the Rows collection on the table. If you have references to the checkboxes, you can go the other way around by using checkbox.Parent (which will give you the parent control, which will be the cell, and from there you can get to the row).
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