Filter Data into Gridview with the help of multiple Checkbox

If you are new in using GridView, then I would suggest you to start at the basic first and understand how the control works. Here's a short ebook for starters: https://www.c-sharpcorner.com/ebooks/asp-dot-net-gridview-control-pocket-guide

 

Filtering GridView is just a matter of configuring the datasource to accept the filter parameters because the GridView control will simply display the data based on the datasource. Here's one article that demonstrates how to do filtering in GridView. 

 

https://www.aspsnippets.com/Articles/Excel-like-AutoFilter-Feature-in-ASP.Net-GridView-Control.aspx 

 

What you need is instead of DropDownList, you will use a CheckBox for each column.