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programming  render and save reportviewer

Posted on 2014-03-11
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Last Modified: 2014-03-17
Hello,

I'm looking to find a solution on how to programming render a report viewer document and save the document as a PDF. So far I've established this small line of code however, I'm sure there is more to it that I am missing.

ReportViewer1.LocalReport.Render

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Question by:lincstech
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4 Comments
 
LVL 13

Expert Comment

by:devlab2012
ID: 39920319
Render the report into a byte arrary and then save this array into a PDF file.


Here is a code snippet for this :


String reportFormat = "PDF";

FileStream stream = null;
String filePath = "";

String mimeType;
String encoding;
String fileNameExtension;
Microsoft.Reporting.WebForms.Warning[] warnings;
String[] streamIds;

//Render the report into a byte arrary, then save this byte arrary to a file
          byte[] reportBytes = ReportViewer1.ServerReport.Render(reportFormat, null, out mimeType, out encoding, out fileNameExtension, out streamIds, out warnings);
          filePath = Server.MapPath("ReportFolder") + "/" + "MyPDFReport" + "." + fileNameExtension;
          stream = new System.IO.FileStream(filePath, System.IO.FileMode.Create);
          stream.Write(reportBytes, 0, reportBytes.Length);
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LVL 13

Expert Comment

by:devlab2012
ID: 39920323
String reportFormat = "PDF";

FileStream stream = null;
String filePath = "";

String mimeType;
String encoding;
String fileNameExtension;
Microsoft.Reporting.WebForms.Warning[] warnings;
String[] streamIds;

//Render the report into a byte arrary, then save this byte arrary to a file
          byte[] reportBytes = ReportViewer1.ServerReport.Render(reportFormat, null, out mimeType, out encoding, out fileNameExtension, out streamIds, out warnings);
          filePath = Server.MapPath("ReportFolder") + "/" + "MyPDFReport" + "." + fileNameExtension;
          stream = new System.IO.FileStream(filePath, System.IO.FileMode.Create);
          stream.Write(reportBytes, 0, reportBytes.Length);

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Author Comment

by:lincstech
ID: 39920382
Is this a Visual Basic.net code or C Sharpe coding ? I'm looking for VB.net
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LVL 13

Accepted Solution

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devlab2012 earned 2000 total points
ID: 39920468
This is a C# code. I am not into VB.NET programming, but can try to write the code in VB.NET:

       
 Dim reportFormat as String
        reportFormat = "PDF"

        Dim stream as FileStream
        stream = null
        Dim filePath as String
        filePath = ""

        Dim mimeType as String
        Dim encoding as String
        Dim fileNameExtension as String
        Dim warnings as Microsoft.Reporting.WebForms.Warning()
        Dim streamIds as String

        'Render the report into a byte arrary, then save this byte arrary to a file
        Dim reportBytes as Byte()
        reportBytes = ReportViewer1.ServerReport.Render (reportFormat, nothing, mimeType, encoding, fileNameExtension, streamIds, warnings)
        filePath = Server.MapPath("ReportFolder") + "/" + "MyPDFReport" + "." + fileNameExtension
        stream = new System.IO.FileStream(filePath, System.IO.FileMode.Create)
        stream.Write(reportBytes, 0, reportBytes.Length)

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