TypeCode Enumeration

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Specifies the type of an object.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

[SerializableAttribute]
public enum TypeCode

Member nameDescription
EmptyA null reference.
ObjectA general type representing any reference or value type not explicitly represented by another TypeCode.
DBNullA database null (column) value.
BooleanA simple type representing Boolean values of true or false.
CharAn integral type representing unsigned 16-bit integers with values between 0 and 65535. The set of possible values for the Char type corresponds to the Unicode character set.
SByteAn integral type representing signed 8-bit integers with values between -128 and 127.
ByteAn integral type representing unsigned 8-bit integers with values between 0 and 255.
Int16An integral type representing signed 16-bit integers with values between -32768 and 32767.
UInt16An integral type representing unsigned 16-bit integers with values between 0 and 65535.
Int32An integral type representing signed 32-bit integers with values between -2147483648 and 2147483647.
UInt32An integral type representing unsigned 32-bit integers with values between 0 and 4294967295.
Int64An integral type representing signed 64-bit integers with values between -9223372036854775808 and 9223372036854775807.
UInt64An integral type representing unsigned 64-bit integers with values between 0 and 18446744073709551615.
SingleA floating point type representing values ranging from approximately 1.5 x 10 -45 to 3.4 x 10 38 with a precision of 7 digits.
DoubleA floating point type representing values ranging from approximately 5.0 x 10 -324 to 1.7 x 10 308 with a precision of 15-16 digits.
DecimalA simple type representing values ranging from 1.0 x 10 -28 to approximately 7.9 x 10 28 with 28-29 significant digits.
DateTimeA type representing a date and time value.
StringA sealed class type representing Unicode character strings.
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