获取datagridview 对应cell的位置坐标

            Rectangle rect = dgv_User.GetCellDisplayRectangle(dgv_User.CurrentCell.ColumnIndex, dgv_User.CurrentCell.RowIndex, false);
            string sexValue = dgv_User.CurrentCell.Value.ToString();
            if (sexValue == "1")
            {
                cmb_Temp.Text = "男";
            }
            else
            {
                cmb_Temp.Text = "女";
            }
            cmb_Temp.Left = rect.Left;
            cmb_Temp.Top = rect.Top;
            cmb_Temp.Width = rect.Width;
            cmb_Temp.Height = rect.Height;
            cmb_Temp.Visible = true;