7.1. Storing and Loading a Report

You may store a report in the following ways:

In the .FRX file

To load the report from a file, use the Load method of the Report object:

report1.Load("filename.frx");

In the database

You may store a report in the database, either as a string or in a blob-stream. To load the report from a string, use the LoadFromString method of the Report object. To load the report from a stream, use the overloaded version of the Load method:

report1.Load(stream);

As a C#/VB.NET class

To work with a report as a class, design your report and save in to the .cs/.vb file. To do this, select “file type” in the “Save” dialog. The file type maybe either .cs or .vb - it depends on the script language in the report (it may be changed in the “Report|Options…” menu). Include that file into your project. This method has the following Pros:

• you can work with a report as a class;
• you may debug a report;
• this is the only way to use a report in ASP.NET project running on medium trust environment;

and Cons:

• you cannot edit such a report. To do this, you need the original .FRX file;
• if you need to change a report, you have to recompile your application.

To work with a report, create an instance of the report’s class:

SimpleListReport report = new SimpleListReport();
report.Show();

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Using the Report

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Running a Report