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Convert.ToInt32 Method (String, Int32)

.NET Framework 1.1

Converts the String representation of a number in a specified base to an equivalent 32-bit signed integer.

[Visual Basic]
Overloads Public Shared Function ToInt32( _
   ByVal value As String, _
   ByVal fromBase As Integer _
) As Integer
[C#]
public static int ToInt32(
 string value,
 int fromBase
);
[C++]
public: static int ToInt32(
 String* value,
 int fromBase
);
[JScript]
public static function ToInt32(
   value : String,
 fromBase : int
) : int;

Parameters

value: A String containing a number.
fromBase: The base of the number in value, which must be 2, 8, 10, or 16.

Return Value

A 32-bit signed integer equivalent to the number in value.

-or-

Zero if value is a null reference (Nothing in Visual Basic).

Exceptions

Exception Type	Condition
ArgumentException	fromBase is not 2, 8, 10, or 16.

Remarks

If fromBase is 16, you can prefix the number specified by the value parameter with "0x" or "0X".

Requirements