**Table 5-2: Adaptive Server ADO.NET datatype mappings**
Adaptive Server database type	AseDbType enumerated	.NET Dbtype enumerated	.NET class name
binary	Binary	Binary	Byte[]
bigint	BigInt	Int64	Int64
bit	Bit	Boolean	Boolean
char	Char	AnsiStringFixedLength	String
date	Date	Date	DateTime
datetime	DateTime	DateTime	DateTime
decimal	Decimal	Decimal	Decimal
double	Double	Double	Double
float(<16)	Real	Single	Single
float(>=16)	Double	Double	Double
image	Image	Binary	Byte[]
int[eger]	Integer	Int32	Int32
money	Money	Currency	Decimal
nchar	NChar	AnsiStringFixedLength	String
nvarchar	NVarChar	AnsiString	String
numeric	Numeric	VarNumeric	Decimal
real	Real	Single	Single
smalldatetime	SmallDateTime	DateTime	DateTime
smallint	SmallInt	Int16	Int16
smallmoney	SmallMoney	Currency	Decimal
text	Text	AnsiString	String
time	Time	Time	DateTime
timestamp	TimeStamp	Binary	Byte[]
tinyint	TinyInt	Byte	Byte
unichar	UniChar	StringFixedLength	String
unitext	Unitext	String	String
univarchar	UniVarChar	String	String
unsignedbigint	UnsignedBigint	UInt64	UInt64
unsignedint	UnsignedInt	UInt32	UInt32
unsignedsmallint	UnsignedSmallInt	UInt16	UInt16
varbinary	VarBinary	Binary	Byte[]
varchar	VarChar	AnsiString	String