resiz datagrid

[nona]

hi all , i HAVE PROBLEM IN DATAGRID THAT I CANT MECK CONTROL TO THE WIDTH OF ROW
THAT WHEN DO EDIT OPTION THE ROW BECOME BIG AND THE DATA GRID RESIZE .
I USE VB.NET 2003
LIKE THIS PIC :
http://upload.9q9q.net/file/MljHDClkh/datagrid1