如何使用一个报表查看器控件显示多个报表（.rdlc） [英] How to Show multiple reports (.rdlc) with one report viewer control

问题描述

我正在开发一个Windows应用程序来显示多个报告使用一个报告查看器，但我不知道它是怎么做的。有人帮助你。这是我的图表，我使用的是VS 2012.



我已经尝试了以下代码，但它不起作用。

I am developing a windows application to display multiple reports use one report viewer but i don't know how do it. Someone help you. This is my diagram and i use VS 2012.

I have tried the the below code, but it doesn't work.

reportViewer1.Reset( );
reportViewer1.LocalReport.ReportPath = "MyReportName";
this.reportViewer1.RefreshReport( );

谢谢！

Thanks!

推荐答案

示例代码：

sample code:

private void button1_Click(object sender, EventArgs e)
{
    DataSet1TableAdapters.Tbl1TableAdapter tb1 = new DataSet1TableAdapters.Tbl1TableAdapter();
    DataSet1.Tbl1DataTable ds = tb1.GetData();
    Microsoft.Reporting.WinForms.ReportDataSource reportDataSource1 = new Microsoft.Reporting.WinForms.ReportDataSource("DataSet1", ds.AsEnumerable().CopyToDataTable());
    reportViewer1.LocalReport.DataSources.Clear();
    reportViewer1.LocalReport.ReportPath = "Report1.rdlc";
    reportViewer1.LocalReport.DataSources.Add(reportDataSource1);
    reportViewer1.RefreshReport();
}

private void button2_Click(object sender, EventArgs e)
{
    DataSet2TableAdapters.Tbl2TableAdapter tb1 = new DataSet2TableAdapters.Tbl2TableAdapter();
    DataSet2.Tbl2DataTable ds = tb1.GetData();
    Microsoft.Reporting.WinForms.ReportDataSource reportDataSource2 = new Microsoft.Reporting.WinForms.ReportDataSource("DataSet2", ds.AsEnumerable().CopyToDataTable());
    reportViewer1.LocalReport.DataSources.Clear();
    reportViewer1.LocalReport.ReportPath = "Report2.rdlc";
    reportViewer1.LocalReport.DataSources.Add(reportDataSource2);
    reportViewer1.RefreshReport();
}

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