System.Data.UniqueConstraint.Create C# (CSharp) Метод

        private void Create(string constraintName, DataColumn[] columns)
        {
            for (int i = 0; i < columns.Length; i++)
            {
                if (columns[i].Computed)
                {
                    throw ExceptionBuilder.ExpressionInConstraint(columns[i]);
                }
            }
            _key = new DataKey(columns, true);
            ConstraintName = constraintName;
            NonVirtualCheckState();
        }