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Posted 25 May 2006

A Workaround to Customizing and Localizing the Microsoft ReportViewer .NET Toolbar

, 25 May 2006
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An article about how to customize and localize the Microsoft ReportViewer Toolbar.

ReportViewer Toolbar


Microsoft released a new component called ReportViewer based on the new RDL technology. Since this is a new component, there are not enough samples about it. There are many questions about how to localize and customize the ReportViewer toolbar, in some forums. Some developers want to add a help button on it, some people want to localize it for Turkish etc.

What is RDL - Report Definition Language

A report definition contains data retrieval and layout information for a report. Report Definition Language (RDL) is an XML representation of this report definition. RDL is an open schema; developers can extend RDL with additional attributes and elements.

The standard file extension for report definition files is .rdl. Its MIME type is text/xml.

More resources about RDL


The best way to localize and customize the ReportViewer toolbar is to hide it and implement its methods in your own code. This article is simply based on this idea.

Using the code

You can simply hide the ReportViewer toolbar, like this:

repView.ShowToolBar = false;

This will completely hide the ReportViewer toolbar. Then add your own toolstrip and implement the necessary methods.

To find a string in the report:

private bool frmCmdFind()
    int found = this.repView.Find(txtSearch.Text, 1);
    if (found > 0)
        btnFindNext.Enabled = true;
        MessageBox.Show("Searched string not found", 
                        "Info", MessageBoxButtons.OK, 
        btnFindNext.Enabled = false;
    return true;

To exporting a report as an Adobe Acrobat PDF file:

private bool frmCmdPdf()
    LocalReport lr = this.repView.LocalReport;
    lr.ReportPath = this.repView.LocalReport.ReportPath;
    string outputFile = this.ReportDisplayName + ".pdf";
    Warning[] warnings;
    string[] streamids;
    string mimeType = "";
    string encoding = "";
    string extension = "";

    deviceInfo = "";

    byte[] bytes = lr.Render("PDF", deviceInfo, out mimeType, 
                             out encoding, out extension, 
                             out streamids, out warnings);

    FileStream fs = new FileStream(outputFile, FileMode.Create);
    fs.Write(bytes, 0, bytes.Length);
    System.Diagnostics.Process p = new System.Diagnostics.Process();
    p = new System.Diagnostics.Process();

    p.StartInfo.FileName = outputFile;
    return true;

For full implementation, see the source file above.


Microsoft ReportViewer is a powerful component to display your report, and RDL is a good way to implement the reporting features. I believe that in the near future, many RDL designer tools and RDL viewer tools will be available in the market.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Software Developer (Senior) MikroKom Yazilim A.S.
Turkey Turkey
c# , vb6 , mssql , oracle , mysql , asp , developer.

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Comments and Discussions

GeneralThanks, Pin
S. Töpfer28-Sep-09 23:20
memberS. Töpfer28-Sep-09 23:20 
GeneralRe: Thanks, Pin
yincekara29-Sep-09 2:09
memberyincekara29-Sep-09 2:09 

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