动态创建表并添加数据最后用reporting显示

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using BnbCRM.Models;
using BnbCRM.BLL;
using Microsoft.Reporting.WebForms;
using System.Collections.Generic;
public partial class commanReport_FinaceReport : System.Web.UI.Page
{
int project_id = 0;
protected void Page_Load(object sender, EventArgs e)
{
project_id = Convert.ToInt32(Request.QueryString["project_id"]);
if (!IsPostBack)
{
this.txtCreatedt.Value = DateTime.Now.ToString("yyyy-MM-dd");
this.txtCreatedto.Value = DateTime.Now.ToString("yyyy-MM-dd");
}
ReportViewer1.LocalReport.Refresh();

}
protected void btnSearch_Click(object sender, EventArgs e)
{

DateTime cretd = Convert.ToDateTime(this.txtCreatedt.Value);
DateTime endtd = Convert.ToDateTime(this.txtCreatedto.Value);

DataTable DT = new DataTable();
DT.Columns.Add("dt", typeof(DateTime));
DT.Columns.Add("basic_orderid", typeof(string));
DT.Columns.Add("id", typeof(int));
DT.Columns.Add("fee_pay_mode", typeof(string));
DT.Columns.Add("fee_sum", typeof(decimal));
DT.Columns.Add("fee_fact_all", typeof(decimal));
DT.Columns.Add("remark", typeof(string));
DT.Columns.Add("quantity", typeof(int));
DT.Columns.Add("pay_dt", typeof(string));
DT.Columns.Add("pay_sum", typeof(decimal));
DT.Columns.Add("AR",typeof(decimal));

IList<tborder> orderlist = tborderManager.getOrderByProject_idAndShipping_dt(project_id, cretd, endtd);

for (int i = 0; i < orderlist.Count; i++)
{
DataRow row = DT.NewRow();

row["dt"] = orderlist[i].Shipping_dt;
string basic_orderid= orderlist[i].Basic_orderid.ToString().Trim();
int id= Convert.ToInt32(orderlist[i].Id);

TbOrderDetail tod=tborderDetailManager.GetTbOrderDetailByOrder_Id(id);
row["quantity"] = tod.Quantity;

row["id"] = id;
row["basic_orderid"] = basic_orderid;
if (basic_orderid.Length > 0 && basic_orderid!="")
{
tbFinCompareTaobao tb = tbFinCompareTaobaoManager.getSomeBytaobaoId(basic_orderid);

if (tb.Pay_dt == Convert.ToDateTime("0001-1-1 0:00:00"))
{
row["pay_dt"] = "";
}
else
{
row["pay_dt"] = tb.Pay_dt.ToString("yyyy/MM/dd", System.Globalization.DateTimeFormatInfo.InvariantInfo);
}

row["pay_sum"]=tb.Fee_sum;

}
else
{
tbFinCompareCod cc = tbFinCompareCodManager.getSomeBytaobaoid(id);

if (cc.Pay_dt==Convert.ToDateTime("0001-1-1 0:00:00"))
{
row["pay_dt"] = "";
}
else
{
row["pay_dt"] = cc.Pay_dt.ToString("yyyy/MM/dd", System.Globalization.DateTimeFormatInfo.InvariantInfo);
}

row["pay_sum"] = cc.Fee_sum;

}

row["fee_pay_mode"] = orderlist[i].Fee_pay_mode;
row["fee_sum"] = orderlist[i].Fee_sum;
row["fee_fact_all"] = orderlist[i].Fee_fact_all;
row["remark"] = orderlist[i].Remark;

DT.Rows.Add(row);

ReportViewer1.LocalReport.ReportPath = @"commanReport/finaceReport.rdlc";

ReportViewer1.LocalReport.DataSources.Clear();
ReportViewer1.LocalReport.DataSources.Add(new ReportDataSource("CommanDateSet_tbOrder", DT));
ReportViewer1.LocalReport.Refresh();

}

}

}