Converting Numeric Strings to Their Internal Representation
For the numeric types, the .NET structure names and their C# keyword equivalents are shown here:
.NET Structure Name
C# Name
Decimal
decimal
Double
double
Single
float
Int16
short
Int32
int
Int64
long
UInt16
ushort
UInt32
uint
UInt64
ulong
Byte
byte
Sbyte
sbyte
The structures are defined inside the System namespace.
The fully qualified name for Int32 is System.Int32.