How to select excel sheet columns by entering A,B,C...column name and starting row number in (Excel to Datasgridview )

Question

Hello sir,

                I am converting Excel data to datagridview .When I will select excel sheet  I have to select column name like(A,B,C....) .From that sheet i have to select row number from which i wil get data from that row onwards....


Thanks & Regards
  Vasu Hajare