20 references to IsNull
System.Data.Common (20)
System\Data\DataRelation.cs (1)
264
if (range.
IsNull
)
System\Data\DataTable.cs (4)
2133
return range.
IsNull
? null : _recordManager[ndx.GetRecord(range.Min)];
3051
if (range.
IsNull
)
3062
if (range.
IsNull
)
5034
if (!result.
IsNull
)
System\Data\DataView.cs (2)
769
if (range.
IsNull
)
1016
if (!recordRange.
IsNull
)
System\Data\ForeignKeyConstraint.cs (11)
240
if (!range.
IsNull
)
282
if (!range.
IsNull
)
297
if (!range.
IsNull
)
318
if (!range.
IsNull
)
337
if (!range.
IsNull
)
373
if (!range.
IsNull
)
389
if (!range.
IsNull
)
427
if (!range.
IsNull
)
438
if (!range.
IsNull
)
458
if (!range.
IsNull
)
476
if (!range.
IsNull
)
System\Data\Range.cs (2)
23
public int Count =>
IsNull
? 0 : _max - _min + 1;
47
if (
IsNull
)