SQL vs C# DataType

SQL Data Type	.NET Data Type
bit	bool
tinyint	byte
smallint	Int16 or short
int	int or Int32
bigint	long or Int64
decimal	decimal
numeric	decimal
datetime	Datetime
char, nchar	char
varchar, nvarchar, text, ntext	string
float	double
real	single
uniqueidentifier	Guid
Binary, varbinary	byte[]