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 · LazReport, added stringgrid/variables tutorial from German.
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For that, use the keyword Value to indicate the value of the variable. An export filter is added to your application by simply dragging one of these icons to a form or data module where TfrReport component exists, this is automatically registered and remains lazreportt to uttorial.
TObject ; begin frReport1. To the band, a rectangle was added with the text “GuitarClub”. The first line Name [Full name field] is obtained by writing Name and then, with the Variable button, entering the variable [Field Name]. By default, all bands are processed but TfrCSVExportFilter changes this property to process only master header, column header and master data bands.
Each variable must be linked with a field.
This can also be done manually by including the export filter unit name in the Uses clause of the unit where TfrReport is used. Double-click on the TfrReport icon or right-click, Design Report to bring up the report designer:. Lazarus provides LazReporta report generatorfor adding reporting capabilities to applications. Click below to open the editor:. The distinction between variables and variables categories by starting variables with a space is needed unique and exclusively in this dialog Variables List.
If you want to include tutoriaal total number of pages with the page number on each page, you need to select Two-pass report which tells Lazreport to build the report twice, inserting total number of pages on the second run. Add a Test category, and a test1 variable the same way we did earlier with a space before the variable name:.
LazReport includes its own Object Inspector and a report previewerthat can also print the report at runtime. To this band, reactangles were added for the various fields that we want to display. As you may guess, you can not only use the variables listed via the Variable button, but also database fields via DB Field. On the the second, system date and time need to be added. Now we’ll add some report variables unrelated to the database data in our example.
A Picture editor shows up:.
SQLite Database Tutorial: Report generator
ShowReport; end ; Note: They let you e. As you can see, the category we defined is shown in the ComboBox above the variables. This special text export filter produces Comma Separated Value output actually any character can be used as separatorit differs from its ancestor in that it doesn’t try to create text layout representation of graphical report, instead, for each record output it tries to guess the fields order from the source report, it then produce a list of fields using a separator defined by the user.
If you wanted to always show the same picture, you’d just need to click Load By default, Lazarus DBImage is more flexible and stores the file extension before the image data, allowing different file formats to be used. Beside the properties inherited from its ancestor classes it defines some properties to customize the generated output.
Variant ; Var valley: Oazreport do this, select the variable and then the field. The second lets you select a preset format Choose a color for the tutorjal with the Bucket Fill button on the toolbar.
TUTORIAL FOR LAZREPORT
To show the format editor, double click on a rectangle to get the Text Editor, then click the Format button. It has an extension mechanism with support for plugins that can be used to add any amount of export filters.
It uses a visual designer to create banded reports and includes a report tutoorial with previewer and an interpreter to run user scripts.
It’s a bit long, but if needed, you can create a descendant of TfrReport with an lszreport printing method or classcreate a PrintReport Report: Click OK to exit the editor, then adjust the title rectangle to the desired size. If not, please do so.
When LazReport is installed, it includes some filters ready lasreport use, these are: Close the report editor and save the report definition with the same name, lazreporttutorial. Developer’s manual and User Guides specific for LazReport are yet to be written. You have a preview option that gives end users a way to modify the report without changing the basic application. Write the contents according ot the following image. Start Lazarus and open project SQLite A filters package is installed in the same way as any other Lazarus Package; after restarting Lazarus, the filters usually appear as icons in the LazReport tab on the Component Palette.
This page started as a translation of the Portuguese language Tutorial de LazReport which itself appears to be a translation from a French document. Where TheReport holds an instance of TfrReport component.
Calc p1 ; Par2: