Skip to main content

IModel.GetRelationAt Method

Namespace: NextDesign.Core

Description

Gets the relation at the specified position of the specified field.
This method evaluates IContextOption.PlModelAccessMode.

Arguments

NameTypeDescription
fieldNamestringField name
Null or an empty string cannot be specified.
indexintPosition
Specify an index with the first position being 0.

Return value

Exception

NameException classDescription
Invalid argumentExtensionArgumentExceptionIf null or an empty string is specified for fieldName
Field not foundExtensionFieldNotFoundExceptionIf the specified field is not found in the metaclass of this instance
Illegal field accessExtensionIllegalFieldAccessExceptionIf this method is executed for a field whose multiplicity limit is 1
Invalid index rangeExtensionOutOfRangeExceptionIf a negative number is specified for index
or if a value greater than or equal to the number of elements in the corresponding field is specified for index