DataGridView ComboBox question

Thanks a lot but i want to say my problem

I have a datagridview than bind to   Table 1 , so i have a DataGridViewComboBoxColumn that bond to table 2 .

Suppose  table  2  contains [a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t]

For the first row, DataGridViewComboBoxColumn  must show only [a,b,c,d,e]

For the Second row,  DataGridViewComboBoxColumn   must show only [f,g,h,i,j]

For the third row,  DataGridViewComboBoxColumn   must show only [k,l,m,n,o,p,q,r,s,t]