private void Button1_Click(object sender, System.EventArgs e)
        {
            Session.Remove("QUERY");
            Session.Remove("toExcel");

            Hashtable htapp   = (Hashtable)Application["appconf"];
            string    strcons = (string)htapp["cons"];

            msb1 = new MaterialSBusi(strcons);
            string strMaterialCode = txtMaterialCode.Text.Trim();
            string strMaterialName = txtMaterialName.Text.Trim();
            string strMaterialType = ddlMaterialType.SelectedValue;
            string strBatchNo      = txtBatchNo.Text.Trim();

            try
            {
                DataTable dtout = msb1.GetMaterials(strMaterialCode, strMaterialName, strMaterialType, strBatchNo);
                if (dtout == null)
                {
                    this.SetErrorMsgPageBydir("查询出错,请重试!");
                    btnExcel.Enabled = false;
                    return;
                }
                else
                {
                    dtout.TableName = "原材料资料清单";
                    DataTable dtexcel = dtout.Copy();
                    Session["QUERY"] = dtout;
//					for(int i=0;i<dtexcel.Rows.Count;i++)
//					{
//						dtexcel.Rows[i][0]="'"+dtexcel.Rows[i][0].ToString();
//					}
                    dtexcel.Columns.Remove("操作");
                    Session["toExcel"] = dtexcel;

                    if (dtout.Rows.Count <= 0)
                    {
                        btnExcel.Enabled = false;
                    }
                    else
                    {
                        btnExcel.Enabled = true;
                    }
                }
                UcPageView1.MyDataGrid.PageSize = 30;
                DataView dvOut = new DataView(dtout);
                this.UcPageView1.MyDataSource = dvOut;
                this.UcPageView1.BindGrid();
            }
            catch (Exception er)
            {
                this.clog.WriteLine(er);
                this.SetErrorMsgPageBydir("查询错误,请重试!");
                return;
            }
        }