数据库字段类型对应C#字段类型

数据库类型	C#类型
char,nchar	char
varchar,nvarchar,text,ntext	string
bit	boolean
datetime,smalldatetime	datetime
decimal	decimal
money	decimal
smallmoney	decimal
float	double(Double)
real	float(Single)
bigint	long(Int64)
int	int(Int32)
smallint	short(Int16)
tinyint	byte
uniqueidentifier	guid
xml	Xml
binary	byte[]
varbinary	byte[]
timestamp	byte[]
image	byte[]