How to solve values hidden in comboboxcell in datagridview

Question

Hai,

 

Anybody help me how to solve this datagridviewcomboboxcell value selection in c#

 

Here am using comboboxcell in datagridview, In that datagridview i need to display the delivery records for billing, During that process I can select the Dc_No in One comboboxcell   based on this Dc_No items will be loaded in next comboboxcell after I can select that item and moved to next row. again I am doing the same process at that time first row item was hidden in that comboboxcell , if the item is same means that was visible otherwise it was hidden in that comboboxcell column . 

 

How to solve this issue. Please anyone suggest solution for this problem.