◆ RowState

DataRowState System.Data.DataRow.RowState
get
Definition at line 133 of file DataRow.cs.
    {
        get
        {
            if (_oldRecord == _newRecord)
            {
                if (_oldRecord == -1)
                {
                    return DataRowState.Detached;
                }
                if (0 < _columns.ColumnsImplementingIChangeTrackingCount)
                {
                    DataColumn[] columnsImplementingIChangeTracking = _columns.ColumnsImplementingIChangeTracking;
                    foreach (DataColumn column in columnsImplementingIChangeTracking)
                    {
                        object obj = this[column];
                        if (DBNull.Value != obj && ((IChangeTracking)obj).IsChanged)
                        {
                            return DataRowState.Modified;
                        }
                    }
                }
                return DataRowState.Unchanged;
            }
            if (_oldRecord == -1)
            {
                return DataRowState.Added;
            }
            if (_newRecord == -1)
            {
                return DataRowState.Deleted;
            }
            return DataRowState.Modified;
        }
    }