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Load-All Subfile Concept | iRPGenie

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Subfiles

4 of 16 in this topic

Screen & UI Development · Load All Subfiles

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81What is a Subfile in IBM i?
82Subfile Record Format vs Subfile Control Record Format
83SFLDSP, SFLDSPCTL, and SFLCLR Explained
84Load-All Subfile Concept
85Page-at-a-Time Subfile Concept
86Simple Inquiry Subfile Pattern
87Function Keys in Subfile Programs
88Common Subfile Mistakes and Best Practices
89Understanding RRN in Subfile Programs
90Clearing and Reloading a Subfile
91Using SFLEND to Show End of List
92Option Fields in Subfile Screens
93Selecting a Row in a Subfile
94Basic Update/Delete Subfile Pattern
95Introduction to SFLNXTCHG
96Debugging Subfile Programs

Lessons in Subfiles

81What is a Subfile in IBM i?
82Subfile Record Format vs Subfile Control Record Format
83SFLDSP, SFLDSPCTL, and SFLCLR Explained
84Load-All Subfile Concept
85Page-at-a-Time Subfile Concept

Lesson 84 of 288

Screen & UI Development

Load-All Subfile Concept

The load-all subfile strategy: loading every record before displaying it once, and how SFLPAG and SFLSIZ relate to it.

~6 min read

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86

Simple Inquiry Subfile Pattern

87Function Keys in Subfile Programs

88Common Subfile Mistakes and Best Practices

89Understanding RRN in Subfile Programs

90Clearing and Reloading a Subfile

91Using SFLEND to Show End of List

92Option Fields in Subfile Screens

93Selecting a Row in a Subfile

94Basic Update/Delete Subfile Pattern

95Introduction to SFLNXTCHG

96Debugging Subfile Programs

The AI Tutor is for educational guidance only. It cannot connect to a real IBM i system, execute code, or analyze production code. Opening it from here shares this lesson's title and content so it can answer questions about it directly, without leaving this page.

Try asking: “What happens if I try to load more records than SFLSIZ allows?”

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