Cols.isMandatory()

note

This article is about the isMandatory() function of the Cols object.

Cols.isMandatory()

Detects whether the first column in scope is mandatory.

Returns a boolean.

Syntax

$.udb( *ds* ).cols( [columns] ).isMandatory()

The required ds parameter is a data source selector.

The optional columns is a column selector. If omitted, all columns in scope are selected.

Example

if ($.udb('EMP').cols('EMPNO').isMandatory()) {
    console.log('EMPNO is mandatory');
}