Implemented interface member:
method
IsDBNull
System.Data.IDataRecord.IsDBNull(System.Int32)
3 overrides of IsDBNull
System.Data.Common (1)
System\Data\DataTableReader.cs (1)
683public override bool IsDBNull(int ordinal)
System.Data.Odbc (1)
System\Data\Odbc\OdbcDataReader.cs (1)
606public override bool IsDBNull(int i)
System.Data.OleDb (1)
OleDbDataReader.cs (1)
1174public override bool IsDBNull(int ordinal)
42 references to IsDBNull
Microsoft.Data.Analysis (1)
DataFrame.IO.cs (1)
209items[c] = reader.IsDBNull(c)
Microsoft.ML.Data (38)
DataLoadSave\Database\DatabaseLoaderCursor.cs (38)
298return (ref bool value) => value = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetBoolean(columnIndex); 310return (ref DateTime value) => value = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetDateTime(columnIndex); 316return (ref double value) => value = DataReader.IsDBNull(columnIndex) ? double.NaN : DataReader.GetDouble(columnIndex); 322return (ref short value) => value = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt16(columnIndex); 328return (ref int value) => value = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt32(columnIndex); 334return (ref long value) => value = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt64(columnIndex); 340return (ref sbyte value) => value = DataReader.IsDBNull(columnIndex) ? default : (sbyte)DataReader.GetByte(columnIndex); 346return (ref float value) => value = DataReader.IsDBNull(columnIndex) ? float.NaN : DataReader.GetFloat(columnIndex); 352return (ref ReadOnlyMemory<char> value) => value = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetString(columnIndex).AsMemory(); 358return (ref ushort value) => value = DataReader.IsDBNull(columnIndex) ? default : (ushort)DataReader.GetInt16(columnIndex); 364return (ref uint value) => value = DataReader.IsDBNull(columnIndex) ? default : (uint)DataReader.GetInt32(columnIndex); 370return (ref ulong value) => value = DataReader.IsDBNull(columnIndex) ? default : (ulong)DataReader.GetInt64(columnIndex); 389editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetBoolean(columnIndex); 395editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetBoolean(columnIndex); 419editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetByte(columnIndex); 425editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetByte(columnIndex); 449editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetDateTime(columnIndex); 455editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetDateTime(columnIndex); 479editor.Values[i] = DataReader.IsDBNull(columnIndex) ? double.NaN : DataReader.GetDouble(columnIndex); 485editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? double.NaN : DataReader.GetDouble(columnIndex); 509editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt16(columnIndex); 515editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt16(columnIndex); 539editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt32(columnIndex); 545editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt32(columnIndex); 569editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt64(columnIndex); 575editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetInt64(columnIndex); 599editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : (sbyte)DataReader.GetByte(columnIndex); 605editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : (sbyte)DataReader.GetByte(columnIndex); 629editor.Values[i] = DataReader.IsDBNull(columnIndex) ? float.NaN : DataReader.GetFloat(columnIndex); 635editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? float.NaN : DataReader.GetFloat(columnIndex); 659editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetString(columnIndex).AsMemory(); 665editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : DataReader.GetString(columnIndex).AsMemory(); 689editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : (ushort)DataReader.GetInt16(columnIndex); 695editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : (ushort)DataReader.GetInt16(columnIndex); 719editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : (uint)DataReader.GetInt32(columnIndex); 725editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : (uint)DataReader.GetInt32(columnIndex); 749editor.Values[i] = DataReader.IsDBNull(columnIndex) ? default : (ulong)DataReader.GetInt64(columnIndex); 755editor.Values[i++] = DataReader.IsDBNull(columnIndex) ? default : (ulong)DataReader.GetInt64(columnIndex);
System.Data.Common (3)
System\Data\Common\DbDataReader.cs (2)
233if (IsDBNull(ordinal)) 285return IsDBNull(ordinal) ? ADP.TrueTask : ADP.FalseTask;
System\Data\DataReaderExtensions.cs (1)
189return reader.IsDBNull(reader.GetOrdinal(name));