使用多个数据源的 Microsoft Report Viewer 钻取

Question

我得到的错误是 "A data source instance has not been supplied for the data source 'AssetLatencyCompleteDataSet_fsAssetLatencyComplete'"

我有 2 个数据源，AssetSummaryDataSet 和 AssetLatencyCompleteDataSet

我只能 select 1 个数据实例，我环顾四周，似乎我应该能够为单个报告添加额外的数据源，它们将填充在此处看到的报告查看器控件中.

我已经创建了 DrillThrough 处理程序，但是我仍然收到上述错误。

如何将缺少的数据源实例添加到报表查看器？

{
public partial class frmAssetSummaryRpt : Form
{
    public frmAssetSummaryRpt()
    {
        InitializeComponent();
    }

    private void frmAssetSummaryRpt_Load(object sender, EventArgs e)
    {
        // TODO: This line of code loads data into the 'assetSummaryDataSet.fsAssetRecoverySummaryByClientWO' table. You can move, or remove it, as needed.
        this.fsAssetRecoverySummaryByClientWOTableAdapter.Fill(this.assetSummaryDataSet.fsAssetRecoverySummaryByClientWO);


        reportViewer1.Drillthrough += new DrillthroughEventHandler(reportDrillthroughEventHandler);

        this.reportViewer1.RefreshReport();


    }
    void reportDrillthroughEventHandler(object sender, DrillthroughEventArgs e)
    {

        LocalReport localReport = (LocalReport)e.Report;
        localReport.DataSources.Add(new ReportDataSource("fsAssetLatencyComplete", (object)assetLatencyCompleteDataSet.fsAssetLatencyComplete));
    }

    private void button1_Click(object sender, EventArgs e)
    {
        frmAssetLatencyFullRpt AssetLatencyFullReport = new frmAssetLatencyFullRpt();
        AssetLatencyFullReport.Show();
    }
}

}

Answer 1

您只需更改以下行

localReport.DataSources.Add(new ReportDataSource("fsAssetLatencyComplete", (object)assetLatencyCompleteDataSet.fsAssetLatencyComplete));

而不是 "fsAssetLatencyComplete" 指定 "AssetLatencyCompleteDataSet_fsAssetLatencyComplete"

使用多个数据源的 Microsoft Report Viewer 钻取

Microsoft Report Viewer Drillthrough using Multiple Data Sources

c#

winforms

reportviewer2008