Application grows up
How do we represent that a country has a number of cities? Creating a second level in the structure of the Country transaction.
Version: GeneXus 16
Introduction to GeneXus for GeneXus for mobile Course
We see that GeneXus creates two tables and focus on the primary key corresponding to the second level. We see the grid added in the web form to record cities. We add the city to the Attraction transaction and specify that it may be empty (nullable) in runtime.
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Lessons
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What is GeneXus?
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Course introduction
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Knowledge Base creation
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First transaction design
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Running the application for the first time
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Working with attributes and domains
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Defining more transactions
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Application grows up
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Attribute nomenclature
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Rules definition
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More rules for defining behaviors
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Using patterns
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Relations between actors of reality
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1 to 1 relations between actors from reality
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Base and Extended table.
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Introduction to For Each command to access the database
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More about For each command
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How to list related information
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More on nested For eachs. Cases and navigation
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Compound data types
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Loading Compound Data Types (SDT) using Data Providers
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How to update data using transaction logic without screen
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Interactive screens: Web Panel object
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Interactive screens: Web Panel object (cont)