revCurrentRecordIsFirst
Type
function
Summary
Returns whether the current record is the first record in a record set.
Syntax
revCurrentRecordIsFirst(<recordSetID>)
Description
Use the revCurrentRecordIsFirst function to stop when you reach the first record.
If the operation is not successful, the revCurrentRecordIsFirst function returns an error message that begins with the string "revdberr".
The revCurrentRecordIsFirst function is part of the Database library. To ensure that the function works in a standalone application, you must include this custom library when you create your standalone. In the Inclusions pane of the Standalone Application Settings window, make sure both the "Database" library checkbox and those of the database drivers you are using are checked.
Parameters
| Name | Type | Description |
|---|---|---|
recordSetID | The number returned by the revQueryDatabase function when the record set was created. |
Examples
revCurrentRecordIsFirst(line 2 of field ID 2345)
set the hilite of button "First" to revCurrentRecordIsFirst(it)
Related
keyword: string
library: Database library
command: revMoveToNextRecord
control structure: function
function: revdb_movefirst, revdb_moveprev, revdb_movelast, revQueryIsAtStart, revdb_movenext
glossary: LiveCode custom library, record, Standalone Application Settings, standalone application, record set, return
Compatibility and Support
Introduced
LiveCode 1.1
OS
mac
windows
linux
ios
android
Platforms
desktop
server
mobile