private void dataGridView2_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.ColumnIndex != 1)
                return;
            DataRowView rw_ = bindingSourceMaterials.Current as DataRowView;
            if (rw_ == null)
                return;
            FormPickObject fo_ = new FormPickObject();
            fo_.Text = "Выбор материала";
            fo_.lstItems.DataSource = dataMaterials2_;
            fo_.lstItems.DisplayMember = "pmmname";
            fo_.lstItems.ValueMember = "pmmcode";
            if (fo_.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    rw_.Row.SetModified();
                }
                catch { }
                try
                {
                    rw_["rdmaterialcode"] = (int)fo_.lstItems.SelectedValue;
                    rw_["pmmname"] = (fo_.lstItems.SelectedItem as DataRowView)["pmmname"].ToString();
                }
                catch
                {
                    MessageBox.Show("Ошибка при выборе материала");
                }

                gridDoses.Refresh();
            }
            
        }