水晶报表，登陆失败 问题

Question

我之前已经把水晶报表需要的数据集dataset保存到session中，
显示报表的时候，直接设置rpt.DataSource = ds.Tables
但是显示 登陆失败 的提示  ？？？这里应该不要连接数据库了吧？

Answer 1

rpt.DataSource = ds.Tables[0]

Answer 2

?????????   help me !!!

Answer 3

public static void LoadCrytReptView(ref DataSet DSet, string repDocumentPath, RepDocumentEnum mRepDocumentEnum, ref CrystalDecisions.Web.CrystalReportViewer CryRepView)
    {
        //*****报表处理连接
        ConnectionInfo connectionInfo = new ConnectionInfo();
        connectionInfo.ServerName = ReadWebConfigNode("ServerName");
        connectionInfo.DatabaseName = ReadWebConfigNode("DataBaseName");
        connectionInfo.UserID = ReadWebConfigNode("UserID");
        connectionInfo.Password = ReadWebConfigNode("Password");        //****构造一个报表文档
        ReportDocument oRep = new ReportDocument();        switch (mRepDocumentEnum)
        {
            //*****加载系统用户报表
            case RepDocumentEnum.SystemUserRetDocument:
                oRep.Load(repDocumentPath);
                oRep.SetDataSource(DSet.Tables[0]);
                break;
            //*****加载部门报表
            case RepDocumentEnum.DeptNameRetDocument:
                oRep.Load(repDocumentPath);
                oRep.SetDataSource(DSet.Tables[0]);
                break;
            //****加载在线订单报表
            case RepDocumentEnum.OnLinOrderRetDocumnet:
                oRep.Load(repDocumentPath);
                oRep.SetDataSource(DSet.Tables[0]);
                break;
            //****其它报表
            case RepDocumentEnum.OtherRepDocument:
                oRep.Load(repDocumentPath);
                oRep.SetDataSource(DSet.Tables[0]);
                break;
        }        CryRepView.ReportSource = oRep;
        SetDBLogonForRetot(ref connectionInfo, ref oRep);
    }