private void btn_select_Click(object sender, EventArgs e)
        {
            targetRow = gridView1.GetDataRow(gridView1.FocusedRowHandle);
            resinInformation selectedInfo = selectedResinInfo(targetRow);

            this.SendResinInfoEvent(selectedInfo);
            this.Close();
        }
        private resinInformation selectedResinInfo(DataRow row)
        {
            resinInformation selectedInfo = new resinInformation();

            selectedInfo.resinID        = Convert.ToString(targetRow["sj_id"]);
            selectedInfo.resinName      = Convert.ToString(targetRow["sj_name"]);
            selectedInfo.resinGrade     = Convert.ToString(targetRow["grade"]);
            selectedInfo.resinColorName = Convert.ToString(targetRow["color_name"]);
            selectedInfo.resinUnit      = Convert.ToString(targetRow["unit"]);
            selectedInfo.resinMaker     = Convert.ToString(targetRow["maker"]);

            return(selectedInfo);
        }