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
uniqueidentifier          System.Guid
varbinary                 System.Byte[]
varchar                   String
Variant                   Object