数据库中字段类型对应C#中的数据类型: 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