Adding multiple button column in data grid view

Question

Hi,

I want to add multiple gridviewbutton column to datagrid. For ex: If i have 20 records, i want to add 10 button columns each row. In this case , 2 row with 10 column each.

when i am trying to implement this. all the columns are displayed in each row(i.e. 20 button column each row)

 Please help!!