Database Forms

BASIC Guide

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• The Language of Apache OpenOffice Basic

• Overview of a Basic Program
• Working With Variables
• Strings
• Numbers
• Boolean Values
• Date and Time
• Arrays
• Scope and Life Span of Variables
• Constants
• Operators
• Branching
• Loops
• Procedures and Functions
• Error Handling
• Other Instructions

• Runtime Library

• Conversion Functions
• Strings
• Date and Time
• Files and Directories
• Message and Input Boxes
• Other Functions

• Introduction to the API

• Universal Network Objects (UNO)
• Properties and Methods
• Modules, Services and Interfaces
• Tools for Working with UNO
• Overview of Central Interfaces

• Working with Documents

• The StarDesktop
• Styles and Templates

• Text Documents

• The Structure of Text Documents
• Editing Text Documents
• More than Just Text

• Spreadsheet Documents

• The Structure of Spreadsheets
  • Rows and Columns
  • Cells and Ranges
  • Formatting Spreadsheet Documents
• Editing Spreadsheet Documents

• Drawings and Presentations

• The Structure of Drawings
• Editing Drawing Objects
• Presentations

• Charts (Diagrams)

• Using Charts in Spreadsheets
• The Structure of Charts
• Chart Types

• Databases

• SQL: a Query Language
• Types of Database Access
• Data Sources
• Database Access

• Dialogs

• Working With Dialogs
• Properties
• Events
• Dialog Control Elements

• Forms

• Working With Forms
• Control Element Forms
• Database Forms

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Apache OpenOffice forms can be directly linked to a database. The forms created in this way provide all the functions of a full database front end without requiring independent programming work.

You can page through and search in the selected tables and queries, as well as change data records and insert new data records. Apache OpenOffice automatically ensures that the relevant data is retrieved from the database, and that any changes made are written back to the database.

A database form corresponds to a standard Apache OpenOffice form. In addition to the standard properties, the following database-specific properties must also be set in the form:

DataSourceName (String)

name of data source (refer to Database Access; the data source must be globally created in Apache OpenOffice)

Command (String)

name of table, query, or the SQL select command to which a link is to be made

CommandType (Const)

specifies whether the Command is a table, a query or a SQL command (value from com.sun.star.sdb.CommandType enumeration)

The com.sun.star.sdb.CommandType enumeration covers the following values:

TABLE

Table

QUERY

Query

COMMAND

SQL command

The database fields are assigned to the individual control elements through this property:

DataField (String)

name of linked database field

Tables

Another control element is provided for work with databases, the table control element. This represents the content of a complete database table or query. In the simplest scenario, a table control element is linked to a database using the autopilot form, which links all columns with the relevant database fields in accordance with the user specifications.

Content on this page is licensed under the Public Documentation License (PDL).