Question

我厌倦了尝试和尝试，但我无法完成这项工作我的问题是我想加载我的水晶报告到报告视图。我已经制作了我的水晶报告，我有一个带有报告查看器的窗体，但是如何在我的报告查看器中显示报告我正在尝试的是

private void frmRptViewer_Load(object sender, EventArgs e)
{
        try
        {
            string SqlConnentionString = System.IO.File.ReadAllText("Connect.txt");


            SqlConnection con = new SqlConnection(SqlConnentionString);
            con.Open();
            SqlCommand com = new SqlCommand("SELECT EmployeeInfo.EmployeeCode, EmployeeInfo.DOJ,EmployeeInfo.GrossSalary,ea.Balance, EmployeeAdvance.MonthlyInst FROM  EmployeeInfo Left Outer JOIN EmployeeAdvance ON EmployeeInfo.EmployeeID = EmployeeAdvance.EmployeeID Left Outer Join (select employeeid,sum(dr)-sum(cr) as Balance from Deduction_Ledger where Deduction_type_ID = 1 Group By EmployeeiD ) ea on EmployeeInfo.employeeid = ea.employeeid where EmployeeInfo.dor is null", con);
            com.CommandType = CommandType.Text;
            SqlDataAdapter sdt = new SqlDataAdapter(com);
            DataTable ds = new DataTable();
            sdt.Fill(ds);
            EmpReport er = new EmpReport();
            er.SetDataSource(ds);
            reportViewer.ReportSource = er;
            reportViewer.Refresh();
            con.Close();
        }
        catch (Exception ex)
        {
            throw new ApplicationException(ex.Message);
        }
    }


}

请有人帮助我提前谢谢

Answer 1

我不是用C＃

但我注意到你的SQL语句从三个表EmployeeInfo，ea和EmployeeAdvance中选择

在这种情况下

你需要传递DATASET包含三个表到你的报告，而不是DATATABLE

请参阅my answer here，它可能会对您有所帮助

如何在visual studio 2010中将报表加载到报表查看器？

1 个答案: