c#报表问题

Question

为什么每次查看都需要登录呢，我采用的是用户名，密码登录，还有如何设置它每次连接的时间

Answer 1

什么意思？
水晶报表的话在form_load事件中登录
myRpt.SetDatabaseLogon(myUserName, myPwd)

Answer 2

推荐看看这篇文章先熟悉一下
PULL（拉）模式

Answer 3

http://topic.csdn.net/u/20090626/18/0e7d0af0-2555-479d-9cb5-84175787f2cd.html?36634

Answer 4

提示错误：CS1061: “ASP.xse1_aspx”不包含“CrystalReportViewer1_Init”的定义，并且找不到可接受类型为“ASP.xse1_aspx”的第一个参数的扩展方法“CrystalReportViewer1_Init”(是否缺少 using 指令或程序集引用?)

Answer 5

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 CrystalDecisions.Shared;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Web;
using System.Xml.Linq;public partial class xse1 : System.Web.UI.Page
{
    private ReportDocument myReport;    private void ConfigureCrystalReports()
    {
        // 定义ReportDocument对象，装载Crystalreport1.rpt
        myReport = new ReportDocument();
        string reportPath = Server.MapPath("Crystalreport2.rpt");
        myReport.Load(reportPath);
        //定义水晶报表的数据库连接信息
        ConnectionInfo connectionInfo = new ConnectionInfo();
        connectionInfo.DatabaseName = "net05shfwdzsw";
        connectionInfo.UserID = "sa";
        connectionInfo.Password = "123456";
        connectionInfo.ServerName = ".";        //将数据库信息传递给报表
        SetDBLogonForReport(connectionInfo, myReport);        //把模板对象赋给报表前端呈现控件CrystalReportViewer1
        CrystalReportViewer1.ReportSource = myReport;
    }    private void SetDBLogonForReport(ConnectionInfo connectionInfo, ReportDocument reportDocument)
    {
        Tables tables = reportDocument.Database.Tables;        foreach (CrystalDecisions.CrystalReports.Engine.Table table in tables)
        {
            TableLogOnInfo tableLogonInfo = table.LogOnInfo;
            tableLogonInfo.ConnectionInfo = connectionInfo;
            table.ApplyLogOnInfo(tableLogonInfo);        }
    }
    private void Page_Init(object sender, EventArgs e)
    {
        ConfigureCrystalReports();    }}

Answer 6

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 CrystalDecisions.Shared;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Web;
using System.Xml.Linq;public partial class xse1 : System.Web.UI.Page
{
    private ReportDocument myReport;    private void ConfigureCrystalReports()
    {
        // 定义ReportDocument对象，装载Crystalreport1.rpt
        myReport = new ReportDocument();
        string reportPath = Server.MapPath("Crystalreport2.rpt");
        myReport.Load(reportPath);
        //定义水晶报表的数据库连接信息
        ConnectionInfo connectionInfo = new ConnectionInfo();
        connectionInfo.DatabaseName = "net05shfwdzsw";
        connectionInfo.UserID = "sa";
        connectionInfo.Password = "123456";
        connectionInfo.ServerName = ".";        //将数据库信息传递给报表
        SetDBLogonForReport(connectionInfo, myReport);        //把模板对象赋给报表前端呈现控件CrystalReportViewer1
        CrystalReportViewer1.ReportSource = myReport;
    }    private void SetDBLogonForReport(ConnectionInfo connectionInfo, ReportDocument reportDocument)
    {
        Tables tables = reportDocument.Database.Tables;        foreach (CrystalDecisions.CrystalReports.Engine.Table table in tables)
        {
            TableLogOnInfo tableLogonInfo = table.LogOnInfo;
            tableLogonInfo.ConnectionInfo = connectionInfo;
            table.ApplyLogOnInfo(tableLogonInfo);        }
    }
    private void Page_Init(object sender, EventArgs e)
    {
        ConfigureCrystalReports();    }}

Answer 7

你CrystalReportViewer1控件有添加CrystalReportViewer1_Init这个方法吗？
把它去掉。