DbType 对应类型

网上搜的   对应关系SqlServer          CodeSmith bigint                   Int64 binary                  Binary     bit                       Boolean  char                   AnsiStringFixedLength datetime              DateTimedecimal               Decimal  float                    Double   image                  Binary   int                       Int32 money                Currency  nchar                  StringFixedLength ntext                   String numeric              Decimal  nvarchar             String real                    Single smalldatetime      DateTime smallint                Int16 smallmoney          Currency sql_variant           Object text                      AnsiStringtimestamp            Binary tinyint                   Byte  uniqueidentifier      Guid varbinary              Binary varchar                 AnsiString