private void btn_query_Click(object sender, EventArgs e)
{
if (dtp_from.Text.Trim() == "" || dtp_end.Text.Trim() == "")
{
MessageBox.Show("请输入查询日期！");
return;
}
string dt1 = Convert.ToDateTime(dtp_from.Text).ToString("yyyy-MM-dd") + " 00:00:00";
string dt2 = Convert.ToDateTime(dtp_end.Text).ToString("yyyy-MM-dd") + " 23:59:59";
WaitingFrom.ShowWait("数据正在加载，请稍候...");
DataTable dt = bll_order.GetXCTJ(dt1, dt2);
this.gridControl1.DataSource = dt;
this.gridView1.OptionsView.ColumnAutoWidth = false;
this.gridView1.OptionsSelection.MultiSelect = true;
SetGridViewRowNum.SetRowNum(gridView1);
this.gridView1.BestFitColumns();
WaitingFrom.CloseWait();
}