GetHashCode() [2/2]

int System.Data.DataRowComparer< TRow >.GetHashCode ( TRow row )

inline

Definition at line 147 of file DataRowComparer.cs.

    {
        DataSetUtil.CheckArgumentNull(row, "row");
        if (row.RowState == DataRowState.Deleted)
        {
            throw DataSetUtil.InvalidOperation(System.SR.DataSetLinq_CannotCompareDeletedRow);
        }
        int result = 0;
        if (row.Table.Columns.Count > 0)
        {
            object obj = row[0];
            Type type = obj.GetType();
            if (!type.IsArray)
            {
                result = ((!(obj is ValueType valueType)) ? obj.GetHashCode() : valueType.GetHashCode());
            }
            else
            {
                Array array = (Array)obj;
                if (array.Rank > 1)
                {
                    result = obj.GetHashCode();
                }
                else if (array.Length > 0)
                {
                    result = array.GetValue(array.GetLowerBound(0)).GetHashCode();
                }
            }
        }
        return result;
    }

References System.array, System.Collections.Generic.Dictionary< TKey, TValue >.Count, System.SR.DataSetLinq_CannotCompareDeletedRow, System.Data.DataRowComparer< TRow >.GetHashCode(), System.Type.GetType(), DataSetUtil.InvalidOperation(), System.obj, and System.type.

Referenced by System.Data.DataRowComparer< TRow >.GetHashCode().