VS 2010 Search text in specific column of data grid view.

I want to set the focus on specific cell of data grid view.

Suppose i have an column 'Id' in data grid view and there are 1 to 10 Ids in id column.

Now i want that
if i enter the '7' in textbox1 and grid should to set the focus on id no. 7.

thanks
shafaqat