private void btn_Query_Click(object sender, EventArgs e)
{
WaitingFrom.ShowWait("");
DataTable dt = bll_wl.GetMatral(this.txt_Grd.Text, "1");
this.gridControl1.DataSource = dt;
this.gridView1.OptionsView.ColumnAutoWidth = false; //不允许自动列宽
this.gridView1.OptionsSelection.MultiSelect = true; //允许多选
gridView1.OptionsSelection.MultiSelectMode = DevExpress.XtraGrid.Views.Grid.GridMultiSelectMode.CheckBoxRowSelect; //加载checkBox
this.gridView1.BestFitColumns();
SetGridViewRowNum.SetRowNum(gridView1);
WaitingFrom.CloseWait();
}