Hi i have a datagrid in my c# windows form and i want to merge the row
he can input data in w1, w2, w3 and .., and save.

                            weeks
Item 1 | Forecast        | w1 | w2 | w3
Item 1 | Stock on Hand   | w1 | w2 | w3
Item 1 | Orders          | w1 | w2 | w3

       | Forecast        | w1 | w2 | w3
Item 1 | Stock on Hand   | w1 | w2 | w3
       | Orders          | w1 | w2 | w3

any code or solution for this
thank you

This thread shows merging cells horizontally, you'd just have to adapt it to vertical merging

thank you for the respounce. solve my problem