sort data in datagrid view in windows forms in C# .net

Question

dear sir/madam,
       This is vishnuvardhan,I have some doubt on working with datagrid view in windows forms.Here my doubt is i bind a table to datagridview which is in windows form by using OLEDB connection.That table contains coluimns as A,B,C,D,E,F,G,H,I.Each column contains some data multiple().I placed one combo box .i want to sort data in "E" column.that column contain data(as J,K,L,M).Total four items,but total columns are 20.So each J,K,L,M are repeate.
here my intenssion is sort perticular item(J,K,L,M) in runtime by using combobox.Could you please refer description document which was in attachments.Please help me to develop like dis.
Thanks in advance.