Find checkbox Value from div element in asp.net

Here you want to use checkboxlist control and load all the columns names to this control (you can read this article for understanding how to get and bind to this control https://www.c-sharpcorner.com/UploadFile/009464/bind-the-checkbox-list-in-Asp-Net-using-C-Sharp/).

 

Once you have the list of columns in the checkboxlist control. Whenever you click an item in the checkboxlist, call CheckBoxList_Selected Event and there you need to refresh the gridview by binding with a datatable with selecting only columns which are selected in listboxlist control.