1 write to _nullValue
System.Data.Common (1)
System\Data\Common\DataStorage.cs (1)
148_nullValue = nullValue;
219 references to _nullValue
System.Data.Common (219)
System\Data\Common\BigIntegerStorage.cs (4)
47if (_nullValue == value) 97if (_nullValue != value) 105value = _nullValue; 130if (_nullValue == value)
System\Data\Common\BooleanStorage.cs (6)
43return _nullValue; 59return _nullValue; 98if (_nullValue == value) 117if (_nullValue != value) 125value = _nullValue; 150if (_nullValue == value)
System\Data\Common\ByteStorage.cs (9)
41return _nullValue; 60return _nullValue; 99return _nullValue; 115return _nullValue; 131return _nullValue; 170if (_nullValue == value) 189if (_nullValue != value) 197value = _nullValue; 222if (_nullValue == value)
System\Data\Common\CharStorage.cs (6)
42return _nullValue; 58return _nullValue; 97if (_nullValue == value) 116if (_nullValue != value) 124value = _nullValue; 149if (_nullValue == value)
System\Data\Common\DataStorage.cs (1)
231return _nullValue;
System\Data\Common\DateTimeOffsetStorage.cs (7)
43return _nullValue; 60return _nullValue; 109if (_nullValue == value) 124if (_nullValue != value) 132value = _nullValue; 151return _nullValue; 157if (_nullValue == value)
System\Data\Common\DateTimeStorage.cs (7)
43return _nullValue; 60return _nullValue; 109if (_nullValue == value) 124if (_nullValue != value) 132value = _nullValue; 151return _nullValue; 157if (_nullValue == value)
System\Data\Common\DecimalStorage.cs (10)
42return _nullValue; 62return _nullValue; 102return _nullValue; 119return _nullValue; 136return _nullValue; 175if (_nullValue == value) 190if (_nullValue != value) 198value = _nullValue; 212return (HasValue(record) ? _values[record] : _nullValue); 218if (_nullValue == value)
System\Data\Common\DoubleStorage.cs (9)
41return _nullValue; 60return _nullValue; 99return _nullValue; 115return _nullValue; 131return _nullValue; 170if (_nullValue == value) 189if (_nullValue != value) 197value = _nullValue; 222if (_nullValue == value)
System\Data\Common\Int16Storage.cs (9)
42return _nullValue; 62return _nullValue; 102return _nullValue; 120return _nullValue; 137return _nullValue; 187if (_nullValue == value) 203if (_nullValue != value) 211value = _nullValue; 236if (_nullValue == value)
System\Data\Common\Int32Storage.cs (9)
42return _nullValue; 62return _nullValue; 102return _nullValue; 119return _nullValue; 136return _nullValue; 186if (_nullValue == value) 202if (_nullValue != value) 210value = _nullValue; 235if (_nullValue == value)
System\Data\Common\Int64Storage.cs (9)
42return _nullValue; 62return _nullValue; 102return _nullValue; 119return _nullValue; 136return _nullValue; 178if (_nullValue == value) 194if (_nullValue != value) 202value = _nullValue; 227if (_nullValue == value)
System\Data\Common\ObjectStorage.cs (7)
83if (_nullValue == value) 89if ((_nullValue == value) || (null == value)) 106if (valueNo1 == _nullValue) 108if (valueNo2 == _nullValue) 190return _nullValue; 236if (_nullValue == value) 464if ((value == null) || (value == _nullValue))// this case won't happen, this is added in case if code in xml saver changes
System\Data\Common\SByteStorage.cs (9)
41return _nullValue; 60return _nullValue; 99return _nullValue; 115return _nullValue; 131return _nullValue; 171if (_nullValue == value) 191if (_nullValue != value) 199value = _nullValue; 224if (_nullValue == value)
System\Data\Common\SingleStorage.cs (9)
41return _nullValue; 60return _nullValue; 99return _nullValue; 116return _nullValue; 132return _nullValue; 171if (_nullValue == value) 190if (_nullValue != value) 198value = _nullValue; 223if (_nullValue == value)
System\Data\Common\SQLTypes\SQLBinaryStorage.cs (1)
69return _nullValue;
System\Data\Common\SQLTypes\SQlBooleanStorage.cs (4)
44return _nullValue; 60return _nullValue; 67return _nullValue; 103return _nullValue;
System\Data\Common\SQLTypes\SQLByteStorage.cs (6)
43return _nullValue; 62return _nullValue; 101return _nullValue; 118return _nullValue; 135return _nullValue; 178return _nullValue;
System\Data\Common\SQLTypes\SQLDateTimeStorage.cs (3)
45return _nullValue; 62return _nullValue; 105return _nullValue;
System\Data\Common\SQLTypes\SQLDecimalStorage.cs (6)
43return _nullValue; 62return _nullValue; 101return _nullValue; 118return _nullValue; 135return _nullValue; 177return _nullValue;
System\Data\Common\SQLTypes\SQLDoubleStorage.cs (6)
43return _nullValue; 62return _nullValue; 101return _nullValue; 118return _nullValue; 135return _nullValue; 178return _nullValue;
System\Data\Common\SQLTypes\SQLGuidStorage.cs (1)
70return _nullValue;
System\Data\Common\SQLTypes\SQLInt16Storage.cs (6)
43return _nullValue; 62return _nullValue; 101return _nullValue; 118return _nullValue; 135return _nullValue; 178return _nullValue;
System\Data\Common\SQLTypes\SQLInt32Storage.cs (6)
43return _nullValue; 62return _nullValue; 101return _nullValue; 118return _nullValue; 135return _nullValue; 178return _nullValue;
System\Data\Common\SQLTypes\SQLInt64Storage.cs (6)
43return _nullValue; 62return _nullValue; 101return _nullValue; 118return _nullValue; 136return _nullValue; 179return _nullValue;
System\Data\Common\SQLTypes\SQLMoneyStorage.cs (6)
43return _nullValue; 62return _nullValue; 101return _nullValue; 118return _nullValue; 135return _nullValue; 178return _nullValue;
System\Data\Common\SQLTypes\SQLSingleStorage.cs (6)
42return _nullValue; 62return _nullValue; 101return _nullValue; 117return _nullValue; 133return _nullValue; 176return _nullValue;
System\Data\Common\SQLTypes\SQLStringStorage.cs (3)
52return _nullValue; 75return _nullValue; 125return _nullValue;
System\Data\Common\SqlUDTStorage.cs (4)
80value = _nullValue; 87else if (_nullValue == value) 111_values[recordNo] = _nullValue; 122_values[recordNo] = _nullValue;
System\Data\Common\StringStorage.cs (8)
47return _nullValue; 69return _nullValue; 108if (_nullValue == value) 117else if (_nullValue == value) 126if (_nullValue != value) 134value = _nullValue; 153return _nullValue; 170if (_nullValue == value)
System\Data\Common\TimeSpanStorage.cs (6)
42return _nullValue; 58return _nullValue; 166if (_nullValue == value) 208if (_nullValue != value) 216value = _nullValue; 242if (_nullValue == value)
System\Data\Common\UInt16Storage.cs (9)
42return _nullValue; 62return _nullValue; 102return _nullValue; 119return _nullValue; 136return _nullValue; 186if (_nullValue == value) 202if (_nullValue != value) 210value = _nullValue; 235if (_nullValue == value)
System\Data\Common\UInt32Storage.cs (9)
42return _nullValue; 62return _nullValue; 102return _nullValue; 119return _nullValue; 136return _nullValue; 185if (_nullValue == value) 201if (_nullValue != value) 209value = _nullValue; 234if (_nullValue == value)
System\Data\Common\UInt64Storage.cs (9)
42return _nullValue; 62return _nullValue; 102return _nullValue; 119return _nullValue; 136return _nullValue; 176if (_nullValue == value) 192if (_nullValue != value) 200value = _nullValue; 225if (_nullValue == value)
System\Data\DataColumn.cs (3)
653_defaultValue = _storage._nullValue; 1202_storage.Set(record, _storage._nullValue); 1414if (_sortIndex.IsKeyInIndex(_storage._nullValue))