How to change the background color of Gridview cell in asp.net c#

Dear Friends, Good Day to all of u.am working on School Project.I have a Student Database with Student Marks.i have displayed this data in Gridview...it working fine.I have Database Fields as Name Class Section Result ...

Hi,You need to check if the value is less then the passing marks in OnRowDataBound[^] event of the gridview. And to change the color of that cell you can simply use args.Row.Cells[columnindex].BackColor = Your Color;Hope it helps you,Thanks