winform datagridview设置列单元格不可编辑可以选定指定内容

 /// <summary>
        /// 编辑单元格控件时发生的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dgv_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            if (dgv.CurrentCell.ColumnIndex == 1 ||dgv.CurrentCell.ColumnIndex==2||dgv.CurrentCell.ColumnIndex == 4)//指定列
            {
                if (e.Control.GetType().ToString().Equals("System.Windows.Forms.DataGridViewTextBoxEditingControl"))
                {
                    ((DataGridViewTextBoxEditingControl)e.Control).ReadOnly = true; //不可编辑
                }
                else
                {
                    ((DataGridViewTextBoxEditingControl)e.Control).ReadOnly = false;//可编辑
                }
            }
            else
            {
                ((DataGridViewTextBoxEditingControl)e.Control).ReadOnly = false;//可编辑
            }
        } 

https://blog.csdn.net/windowsliusheng/article/details/77018564