RDLC报告错误

Question

我对RDLC的报告有意见。我的报告可以转换成PDF格式。我的控制器中有这样的代码：

private DataSet GetDataSet()
    {
        MySqlConnection connection = null;
        string connstring = string.Format("Server=myWebsite.com;user id=myUsername;password=myPassword;persist security info=True;database=myDatabase");
        connection = new MySqlConnection(connstring);
        connection.Open();

        string sql = string.Format("Select * FROM Reservaties");
        MySqlDataAdapter ad = new MySqlDataAdapter(sql, connstring);

        DataSet ds = new DataSet();
        ad.Fill(ds);

        return ds;
    }

    public ActionResult Reports(string ReportType)
    {
        LocalReport localreport = new LocalReport();
        localreport.ReportPath = Server.MapPath("~/Reports/Report_Reservatie.rdlc");
        DataSet ds = GetDataSet();
        ReportDataSource rds = new ReportDataSource("Reservaties", ds.Tables[0]);

        localreport.DataSources.Add(rds);
        string reportType = ReportType;
        string mimeType;
        string encoding;
        string fileNameExtension;

        if (reportType == "PDF")
        {
            fileNameExtension = "pdf";
        }
        else
        {
            fileNameExtension = "jpg";
        }
        string[] streams;
        Warning[] warnings;
        byte[] renderedByte;
        renderedByte = localreport.Render(reportType, "", out mimeType, out encoding, out fileNameExtension, out streams, out warnings);
        Response.AddHeader("content-disposition", "attachment:filename + reservaties_report." + fileNameExtension);
        return File(renderedByte, fileNameExtension);
    }

这就是我的观点：

@model int
@{
ViewBag.Title = "Checkout Complete";
}
<h2>@HojapaApplication.Resources.ResourceNL.CheckoutComplete</h2>
<p>@HojapaApplication.Resources.ResourceNL.ThankForTheOrder: @Model</p>


@Html.ActionLink("Export to PDF", "Reports", new { ReportType = "PDF"}, null)

<p>
    @HojapaApplication.Resources.ResourceNL.MoreShoppingOrNot
    @Html.ActionLink("store","Index", "Home")
</p>

我总是会犯这样的错误：

“在本地报表处理过程中发生错误”。

有人能帮我说出我做错了什么吗？

Thx!！

Answer 1

此问题是因为您的数据集名称不正确。

Innerexception是->“不能为dataset _Reservaties创建数据读取器”。

这里的基本错误是，在这个语句中，第一个参数应该匹配数据集的名称-

​

ReportDataSource rds = new ReportDataSource("Reservaties", ds.Tables[0]);

​

一旦您将代码更改为下面的代码，它就会正常工作。

​

ReportDataSource rds = new ReportDataSource("DataSet_Reservaties", ds.Tables[0]);

​