.NET Framework ADO.NET Database SQL Data
String Varchar Varchar()
String Nvarchar Nvarchar()
String NChar Nchar()
String NText NText
String Text Text
Double BigInt Float
DateTime DateTime Datetime
DateTime SmallDateTime Smalldatetime
Int Int Int
Int64 BigInt Bigint
Int16 SmallInt smallint
Byte[] Binary Binary()
Byte[] Image Image
Byte[] VarBinary Varbinary()
Byte TinyInt Tinyint
Bool Bit Bit
Decimal Decimal Decimal
Decimal Money Money
Decimal SmallMoney SmallMoney
Float Float Float
Guid UniqueIdentifier Uniqueidentifier
Real Real Real