dev控件 gridcontrol 特定列绑定右键菜单

try
            {
                Point point = new Point(e.X,e.Y);
                GridHitInfo info=  this.gridView1.CalcHitInfo(point);
                if ((e.Button == MouseButtons.Right) && (info.Column.Name =="col班级"))
                {
                    this.contextMenuStrip1.Visible = true;
                }
                else
                {
                    this.contextMenuStrip1.Visible = false;
                }
            }
            catch (Exception)
            {
               
            }