sharadkmittal 0 Newbie Poster

I have unbound datagridview. It has 4 textBox column and 2 comboBox column which i have defined at design time.

For combo,I have databinded the columns.
When I add the row: datagridview.Rows.Add()
a row is added but combo box are not loaded.

Please help how should i add the row so that the combos are loaded.
Thanx in advance