report Viewer in code behind

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hi,, I have a problem in the following code:

C#

            this.reportViewer1.LocalReport.DataSources.Clear();
            DataTable dt = new DataTable(); 
SqlDataAdapter da = new SqlDataAdapter("select * from input", con);
           
            da.Fill(dt);

            Microsoft.Reporting.WinForms.ReportDataSource rprtDTSource = new Microsoft.Reporting.WinForms.ReportDataSource("input", dt);

            this.reportViewer1 .LocalReport.DataSources.Add(rprtDTSource);
            this.reportViewer1 .RefreshReport(); 

//it loads nothing in the report viewer, and when check the table dt it has a value ,, but can't be displayed,, please help
// I have only Report viewer on the design view

Posted 24-Dec-12 20:56pm

A.Shoman

Updated 25-Dec-12 0:10am

Sandeep Mewara

v3

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Sandeep Mewara · Answer 1 · 2012-12-25T00:35:00

Try:

C#

ReportDataSource rds = new ReportDataSource("input", dt);

ReportViewer1.LocalReport.ReportPath = Server.MapPath("Report.rdlc");
ReportViewer1.LocalReport.DataSources.Clear();
ReportViewer1.LocalReport.DataSources.Add(rds);
ReportViewer1.LocalReport.Refresh();

Please follow the below article:
Using Asp.Net Local Report (RDLC) in Web Applications[^]

A.Shoman · Answer 2 · 2012-12-25T02:58:00

thank you for your help but
still dosn't display any thing on the report viewer and dosn't give any error or exception,, am using windows app, and that was the code after I mofified it to yours.:

C#

Microsoft.Reporting.WinForms.ReportDataSource rds = new  Microsoft.Reporting.WinForms.ReportDataSource("input", dt);
            this.reportViewer1.LocalReport.ReportPath = "Report.rdlc";
            reportViewer1.LocalReport.DataSources.Clear();
            reportViewer1.LocalReport.DataSources.Add(rds);
            reportViewer1.LocalReport.Refresh(); 
//Report.rdlc is report that has all column of table input

report Viewer in code behind

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