DataGridViewComboBoxColumn的使用

            DataGridViewComboBoxColumn ComboBoxColumn  =   new  DataGridViewComboBoxColumn();

            ComboBoxColumn.DataSource  =   Datatable对象（combobox要绑定的数据，包含两个列一个DisplayMember ，

                                          一个ValueMember  ）

            ComboBoxColumn.DisplayMember  =   " Display " ;
            ComboBoxColumn.ValueMember  =   " Value " ;

            ComboBoxColumn.DataPropertyName  =   " Feild " ;//datagridview1的DataSource，数据库中的列
            ComboBoxColumn.HeaderText  =   " 单据种类 " ;
            ComboBoxColumn.DisplayStyle  =  DataGridViewComboBoxDisplayStyle.Nothing;
            ComboBoxColumn.FlatStyle  =  FlatStyle.System;

             this .datagridview1.Columns.Add(ComboBoxColumn);