public static DateTime SafeGetDateTime(this IDataReader dataReader, string columnName, DateTime defaultValue = default(DateTime)) { ChekArgumentAccuracy(columnName); int columnIndex = GetColumnIndexByName(dataReader, columnName); Func <DateTime> func = () => dataReader.GetDateTime(columnIndex); return(DataReaderFunctorExecutor <DateTime> .ExecuteFunction(dataReader, columnIndex, func, defaultValue)); }
public static String SafeGetString(this IDataReader dataReader, string columnName, string defaultValue = default(String)) { ChekArgumentAccuracy(columnName); int columnIndex = GetColumnIndexByName(dataReader, columnName); Func <String> func = () => dataReader.GetString(columnIndex); return(DataReaderFunctorExecutor <String> .ExecuteFunction(dataReader, columnIndex, func, defaultValue)); }
public static Guid SafeGetGuid(this IDataReader dataReader, string columnName, Guid defaultValue = default(Guid)) { ChekArgumentAccuracy(columnName); int columnIndex = GetColumnIndexByName(dataReader, columnName); Func <Guid> func = () => dataReader.GetGuid(columnIndex); return(DataReaderFunctorExecutor <Guid> .ExecuteFunction(dataReader, columnIndex, func, defaultValue)); }
public static Char SafeGetChar(this IDataReader dataReader, string columnName, char defaultValue = default(Char)) { ChekArgumentAccuracy(columnName); int columnIndex = GetColumnIndexByName(dataReader, columnName); Func <Char> func = () => dataReader.GetChar(columnIndex); return(DataReaderFunctorExecutor <Char> .ExecuteFunction(dataReader, columnIndex, func, defaultValue)); }
public static Int64 SafeGetInt64(this IDataReader dataReader, string columnName, Int64 defaultValue = default(Int64)) { ChekArgumentAccuracy(columnName); int columnIndex = GetColumnIndexByName(dataReader, columnName); Func <Int64> func = () => dataReader.GetInt64(columnIndex); return(DataReaderFunctorExecutor <Int64> .ExecuteFunction(dataReader, columnIndex, func, defaultValue)); }