Free Pascal / Lazarus: SQLite Database Tutorials: Reports with LazReport. Free Pascal Lazarus Project – Sync’ed with Lazarus SubVersion trunk every 15 minutes – alrieckert/lazarus. jesus LazReport, two additional export filters – TfrImageExportFilter, TfrH tutorials/stringgrid ยท LazReport, added stringgrid/variables tutorial from German.

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In our application, we show a report by clicking btnReport: Because Hire date is a TDateTime field which internally is a floatI cheated by just using the float value of January 1st, which is Also, don’t we need to add a rectangle somewhere and show variable test1? First it’s assumed that LazReport is already installed and the dataset component, called “Dbf1” here, is already configured and active. In order to make changes in parameters, the developer can create an event handler for TfrReport.

Each parameter is separated by commas and can be an expression, lazreporrt constant, a variable, a field or data. In the first line the title of the report should be indicated.

On the the second, system date and time need to be added. Highlighting is very useful for emphasizing data.

Though it is probably not needed much, LazReport allows you to define your own functions. LazReport includes its own Object Inspector and a report previewerthat can also print the lazre;ort at runtime.


Please verify this and adjust article if needed: A Picture editor shows up:. Now let’s write the code required to load and view or edit our report. It uses a visual report designer to create so-called “banded” reports.

LazReport Documentation – Free Pascal wiki

Anywhere else Report Designer, main source code and scripts a variable should be invoked without spaces. Behind the scenes, a project dependency on the Printer4Lazarus packages will be added by the IDE, so make sure that package is installed.

You have a preview option that gives end users a way to modify the report without changing the basic application. The LazReport components are not installed by default, they don’t appear on the toolbar right after the installation of Lazarus. Report generator Lazarus provides LazReporta report generatorfor adding reporting capabilities to applications.

To do this, select the variable and then the field. Close the report editor and save the report definition with the same name, lazreporttutorial. The distinction between variables and variables categories by starting variables with a space is needed lazrepoort and exclusively in this dialog Variables List. Retrieved from ” http: DesignReport ; end.

SQLite Database Tutorial: Report generator

String ; var ParValue: Add a TButton component with Caption: Add a Test category, and a test1 variable the same way we did earlier with a space before the variable name:. You can use all kinds of operators and functions in your calculations; see LazReport Documentation Documentation for an overview. Return to Lazarus do not forget to save your report, if necessary and set up the OnGetValue event of the frReport1′ component by adding the following code:.


To this add the following code to the project:. Click on the button Variables in order to define some variables. tktorial

Where TheReport holds an instance of TfrReport component. Until LazReport documentation is elaborated, lazreporf Wiki page will be used as a documentation container; maybe in the future the missing documentation could be generated from here.

LazReport is based on FreeReport 2.

You can double-click later on the band if you want to change lazrfport data source. This shows you can perform calculations with fields coming from the data source. Beside the properties inherited from its ancestor classes it defines some properties to customize the generated output.

You’ll need to create a new application with a main form Form1. Let’s insert a master data band. Retrieved from ” http: Other formatting lazrdport are present on the button bar below the menu e.