Help needs with DataGridView in C#

here i attached one simple project, to run this u need to create one .mdb file in C Drive. with som fields and if u fill some values starts from ss or some thing it will fill the color.

but what i want is that i need to draw a line with in cells insted of filling cells with some color

Thanks in advance

(I didn't open your project)

But what exactly do you want to do?

You want to draw lines in the cells?