System.Data.DataRow.SetKeyValues C# (CSharp) Method

        internal void SetKeyValues(DataKey key, object[] keyValues)
        {
            bool fFirstCall = true;
            bool immediate = (_tempRecord == -1);

            for (int i = 0; i < keyValues.Length; i++)
            {
                object value = this[key.ColumnsReference[i]];
                if (!value.Equals(keyValues[i]))
                {
                    if (immediate && fFirstCall)
                    {
                        fFirstCall = false;
                        BeginEditInternal();
                    }
                    this[key.ColumnsReference[i]] = keyValues[i];
                }
            }
            if (!fFirstCall)
            {
                EndEdit();
            }
        }