Question

我在asp.net中使用报告查看器进行了报告。现在我想在MVC 3中创建它。因为我对MVC很新，所以期待你们的指导。谢谢!!!

Answer 1

您需要在运行时单独填充数据集并将其与报告关联。

如果您使用报告向导来初始创建报告，那么它应该创建一个您可以使用的数据集定义 - 在您的情况下，StudentDataSource.xsd。如果您打开该文件，您将看到查询以及查询的TableAdapter。

以下是基于凯文上面提到的问题（How can I use a reportviewer control in an asp.net mvc 3 razor view?）

的示例

StudentReport.rdlc报告，包含默认的DataSet1数据集和生成的StudentDataSet.xsd ...

以下是 PDFController 中修改后的File（）操作方法：

   public FileResult File() {
        // Create a new dataset
        StudentDataSet ds = new StudentDataSet();

        // Create and fill the Student data table
        // using the Student table adapter

        StudentDataSetTableAdapters.StudentTableAdapter dta =
               new StudentDataSetTableAdapters.StudentTableAdapter();
        dta.Fill(ds.Student);

        // Create a new report datasource with 
        //      Name = the dataset name in the report,
        //      Value = the populated data table.

        ReportDataSource rds = new ReportDataSource();
        rds.Name = "DataSet1";
        rds.Value = ds.Student;

        ReportViewer rv = new Microsoft.Reporting.WebForms.ReportViewer();
        rv.ProcessingMode = ProcessingMode.Local;
        rv.LocalReport.ReportPath = Server.MapPath("~/Reports/StudentReport.rdlc");

        // Add the new report datasource to the report.
        rv.LocalReport.DataSources.Add(rds);

        rv.LocalReport.Refresh();

        byte[] streamBytes = null;
        string mimeType = "";
        string encoding = "";
        string filenameExtension = "";
        string[] streamids = null;
        Warning[] warnings = null;

        streamBytes = rv.LocalReport.Render("PDF", null, out mimeType, out encoding, out filenameExtension, out streamids, out warnings);

        return File(streamBytes, mimeType, "StudentReport.pdf");
    }

另请注意，如果您在上一个问题的ASPXView.aspx页面中使用相同的代码，则需要为您正在使用的MVC项目和数据集表适配器导入名称空间。

<强> ASPXView.aspx

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>
<%@ Register Assembly="Microsoft.ReportViewer.WebForms, Version=10.0.0.0,
           Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"
           Namespace="Microsoft.Reporting.WebForms" TagPrefix="rsweb" %>
<%@ Import Namespace="ProjectNamespace" %>
<%@ Import Namespace="ProjectNamespace.StudentDataSetTableAdapters" %>

<!DOCTYPE html>

<html>
<head id="Head1" runat="server">
    <title>ASPXView</title>
</head>
<body>
    <div>
        <script runat="server">
            private void Page_Load(object sender, System.EventArgs e)
            {
              StudentDataSet ds = new StudentDataSet();

              StudentTableAdapter dta = new StudentTableAdapter();
              dta.Fill(ds.Student);

              ReportDataSource rds = new ReportDataSource();
              rds.Name = "DataSet1";
              rds.Value = ds.Student;
              ReportViewer1.LocalReport.ReportPath = Server.MapPath("~/Reports/StudentReport.rdlc");
              ReportViewer1.LocalReport.DataSources.Add(rds);
              ReportViewer1.LocalReport.Refresh();
            }
        </script>
        <form id="Form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server">          
        </asp:ScriptManager>
        <rsweb:reportviewer id="ReportViewer1" runat="server" height="500" width="500" AsyncRendering="false"></rsweb:reportviewer>
        </form>        
    </div>
</body>
</html>

如何使用MVC 3中的报表查看器生成报表？

1 个答案: