日期:2014-05-17  浏览次数:20390 次

RDLC报表自定义数据源却无法显示的问题,急求各位指点!
我按照一些帖子上所教的方法进行自定义微软报表的数据源,可是运行起来发现页面在不停的刷新,报表一直处在“加载”的状态。源代码贴出来,大家看看怎么回事?开发工具是VS2010+SQL2008

后台:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Microsoft.Reporting.WebForms;

public partial class _Default : System.Web.UI.Page
{
  MyDbEngine SqlEngine = new MyDbEngine();//这是我自己写的一个SQL执行类,没有问题的。
  protected void Page_Load(object sender, EventArgs e)
  {
  DataTable dt = GetData();
  ReportDataSource rds = new ReportDataSource("DataSet1", dt);
  ReportViewer1.LocalReport.DataSources.Clear();
  ReportViewer1.LocalReport.DataSources.Add(rds);
  ReportViewer1.LocalReport.Refresh();
  }

  public DataTable GetData()
  {string str="select * from MeetRoom_info";
  DataSet ds= SqlEngine.ExecuteDataSet(str);
  return ds.Tables [0];  
  }
}

页面代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register assembly="Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" namespace="Microsoft.Reporting.WebForms" tagprefix="rsweb" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
  <title></title>
</head>
<body>
  <form id="form1" runat="server">
  <div>
   
  </div>

  <asp:ScriptManager ID="ScriptManager1" runat="server">
  </asp:ScriptManager>

  <rsweb:ReportViewer ID="ReportViewer1" runat="server" Font-Names="Verdana" 
  Font-Size="8pt" InteractiveDeviceInfos="(集合)" WaitMessageFont-Names="Verdana" 
  WaitMessageFont-Size="14pt">

  <LocalReport ReportPath="Report.rdlc">
  <DataSources>
  <rsweb:ReportDataSource DataSourceId="ObjectDataSource1" Name="DataSet1" />
  </DataSources>
  </LocalReport>
  </rsweb:ReportViewer>

  <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" 
  TypeName="DataSet1TableAdapters."></asp:ObjectDataSource>  
  </form>
</body>
</html>



------解决方案--------------------
帮顶.....
------解决方案--------------------
rdlc 没有绑数据源吧