数据库SQL Server与C#中数据类型的对应关系

数据库	C#程序
int	int32
text	string
bigint	int64
binary	System.Byte[]
bit	Boolean
char	string
datetime	System.DateTime
decimal	System.Decimal
float	System.Double
image	System.Byte[]
money	System.Decimal
nchar	String
ntext	String
numeric	System.Decimal
nvarchar	String
real	System.Single
smalldatetime	System.DateTime
smallint	Int16
smallmoney	System.Decimal
timestamp	System.DateTime
tinyint	System.Byte
varbinary	System.Byte[]
varchar	String
Variant	Object
unique identifier	System.Guid