System.Data.DataColumnCollection.AddRange C# (CSharp) Method

        public void AddRange(DataColumn[] columns)
        {
            if (_table.fInitInProgress)
            {
                _delayedAddRangeColumns = columns;
                return;
            }

            if (columns != null)
            {
                foreach (DataColumn column in columns)
                {
                    if (column != null)
                    {
                        Add(column);
                    }
                }
            }
        }