c#数据类型的集合类
namespace System { [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public enum TypeCode { Empty = 0, // Null reference Object = 1, // Instance that isn't a value DBNull = 2, // Database null value Boolean = 3, // Boolean Char = 4, // Unicode character SByte = 5, // Signed 8-bit integer Byte = 6, // Unsigned 8-bit integer Int16 = 7, // Signed 16-bit integer UInt16 = 8, // Unsigned 16-bit integer Int32 = 9, // Signed 32-bit integer UInt32 = 10, // Unsigned 32-bit integer Int64 = 11, // Signed 64-bit integer UInt64 = 12, // Unsigned 64-bit integer Single = 13, // IEEE 32-bit float Double = 14, // IEEE 64-bit double Decimal = 15, // Decimal DateTime = 16, // DateTime String = 18, // Unicode character string } }