FindForeignKeyConstraint()

ForeignKeyConstraint System.Data.ConstraintCollection.FindForeignKeyConstraint ( DataColumn[] parentColumns, DataColumn[] childColumns )

inlinepackage

Definition at line 463 of file ConstraintCollection.cs.

    {
        int count = List.Count;
        for (int i = 0; i < count; i++)
        {
            if (List[i] is ForeignKeyConstraint { ParentKey: var parentKey } foreignKeyConstraint && CompareArrays(parentKey.ColumnsReference, parentColumns) && CompareArrays(foreignKeyConstraint.ChildKey.ColumnsReference, childColumns))
            {
                return foreignKeyConstraint;
            }
        }
        return null;
    }

References System.Data.ConstraintCollection.CompareArrays(), System.count, System.Collections.ArrayList.Count, and System.Data.ConstraintCollection.List.

Referenced by System.Data.DataRelationCollection.DataSetRelationCollection.AddCore().