21

我是 C# 的新手，我的英语不太好 - 如果我错过了一点，请提前道歉。

ReportService我试图建立一个带有控件的 ASP.NET 网站。您可能已经知道，SSRS 2008 不允许匿名登录。因此，我尝试将凭据传递给 SSRS，SSRS 将存储在我的网页中，以便用户无需登录即可查看报告。

我找到了下面的代码并将其放在我的WebForm，但我遇到了报告参数的问题。

  • 如果报告参数有默认值，则以下代码可以正常工作。

  • 但是，如果我尝试更改参数的值，则整个页面都会
    刷新，并且在我单击“查看报告”按钮之前，所有
    参数都会重置为默认值或空值。

关于如何避免刷新整个页面或将登录信息传递给 SSRS 的任何建议？提前非常感谢。

using System;
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 System.Net;
using Microsoft.Reporting.WebForms;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        ReportViewer1.Width = 800;
        ReportViewer1.Height = 600;
        ReportViewer1.ProcessingMode = ProcessingMode.Remote;
        IReportServerCredentials irsc =new CustomReportCredentials("administrator", "MYpassworw", "domena");
        ReportViewer1.ServerReport.ReportServerCredentials = irsc;
        ReportViewer1.ServerReport.ReportServerUrl = new Uri("http://192.168.0.1/ReportServer/");
        ReportViewer1.ServerReport.ReportPath = "/autonarudzba/listanarudzbi";
        ReportViewer1.ServerReport.Refresh();
    }
}

public class CustomReportCredentials : IReportServerCredentials
{
     private string _UserName;
     private string _PassWord;
     private string _DomainName;

     public CustomReportCredentials(string UserName, string PassWord, string DomainName)
     {
        _UserName = UserName;
        _PassWord = PassWord;
        _DomainName = DomainName;
     }

     public System.Security.Principal.WindowsIdentity ImpersonationUser
     { 
        get { return null; } 
     } 

     public ICredentials NetworkCredentials
     {
        get { return new NetworkCredential(_UserName, _PassWord, _DomainName); }
     }

     public bool GetFormsCredentials(out Cookie authCookie, out string user,
      out string password, out string authority)
     {
        authCookie = null;
        user = password = authority = null;
        return false;
     }
}
4

4 回答 4

18

我真的没有弄乱 SSRS - 但我的 ASP.NET 帽子告诉我，您可能希望将这些东西包装在一个if (!IsPostBack)块中，以防止它在页面刷新时运行。我的猜测是ReportViewer1.ServerReport.Refresh()再次拉取默认值。

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack) 
    {
        ReportViewer1.Width = 800;
        ReportViewer1.Height = 600;
        ReportViewer1.ProcessingMode = ProcessingMode.Remote;
        IReportServerCredentials irsc =new CustomReportCredentials("administrator", "MYpassworw", "domena");
        ReportViewer1.ServerReport.ReportServerCredentials = irsc;
        ReportViewer1.ServerReport.ReportServerUrl = new Uri("http://192.168.0.1/ReportServer/");
        ReportViewer1.ServerReport.ReportPath = "/autonarudzba/listanarudzbi";
        ReportViewer1.ServerReport.Refresh();
    }
}
于 2009-03-22T23:04:23.517 回答
0

我创建了新功能，并在属性、事件、reportViewer 的设计视图中选择了它。（在选择 INIT i 中）

之后，页面正常工作，我可以更改参数值。

Default.aspx 现在看起来像：

    </head>
      <body>
        <form id="form1" runat="server">
         <div>
            <rsweb:ReportViewer ID="ReportViewer1" runat="server" onload="Admir">
            </rsweb:ReportViewer>
         </div>
       </form>
    </body>

Default.aspx.cs 看起来像这样

 public void Admir(object sender, EventArgs e)
    {
        ReportViewer1.Width = 800;
        ReportViewer1.Height = 600;
        ReportViewer1.ProcessingMode = ProcessingMode.Remote;
        IReportServerCredentials irsc = new CustomReportCredentials("administrator", "mypass", "domena");
        ReportViewer1.ServerReport.ReportServerCredentials = irsc;
        ReportViewer1.ServerReport.ReportServerUrl = new Uri("http://192.168.0.1/ReportServer/");
        ReportViewer1.ServerReport.ReportPath = "/autonarudzba/listanarudzbi";
        ReportViewer1.ServerReport.Refresh();

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

    }
于 2009-04-16T08:45:26.357 回答
0

您可以在页面加载事件中使用以下代码来提供参数

ReportParameter[] reportParameterCollection = new ReportParameter[1]; //Array size describes the number of paramaters.
reportParameterCollection[0] = new ReportParameter();
reportParameterCollection[0].Name = "ACCMGR";   //Give Your Parameter Name
reportParameterCollection[0].Values.Add("12"); //Pass Parametrs's value here.
ReportViewer1.ServerReport.SetParameters(reportParameterCollection);
ReportViewer1.ServerReport.Refresh();

我希望这对你有用

于 2015-09-23T18:45:29.273 回答
0

我已经找到了解决方案。您必须先设置凭据，然后必须为 reportviewer 设置参数。

 rvCommon.ProcessingMode = ProcessingMode.Remote;
        rvCommon.ServerReport.ReportServerUrl = new System.Uri("SSRSReportServerURL");
        rvCommon.ServerReport.ReportPath = "/Report Parts/CustomerMainReport2" ;

        Microsoft.Reporting.WebForms.ReportParameter[] RptParameters = new Microsoft.Reporting.WebForms.ReportParameter[1];
         rvCommon.ServerReport.ReportServerCredentials = new ReportCredentials("username", "password", "");

        RptParameters[0] = new Microsoft.Reporting.WebForms.ReportParameter("CustomerId", "1");
        rvCommon.ServerReport.SetParameters(RptParameters);
        rvCommon.ServerReport.Refresh();
于 2017-10-09T06:26:26.123 回答