FindKeyConstraint() [1/2]

UniqueConstraint System.Data.ConstraintCollection.FindKeyConstraint ( DataColumn column )

inlinepackage

Definition at line 450 of file ConstraintCollection.cs.

    {
        int count = List.Count;
        for (int i = 0; i < count; i++)
        {
            if (List[i] is UniqueConstraint { Key: var key } uniqueConstraint && key.ColumnsReference.Length == 1 && uniqueConstraint.Key.ColumnsReference[0] == column)
            {
                return uniqueConstraint;
            }
        }
        return null;
    }

References System.count, System.Collections.ArrayList.Count, System.key, and System.Data.ConstraintCollection.List.