This documentation is archived and is not being maintained.

StringBuilder.ToString Method (Int32, Int32)

Converts the value of a substring of this instance to a String.

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

public string ToString (
	int startIndex,
	int length
public String ToString (
	int startIndex, 
	int length
public function ToString (
	startIndex : int, 
	length : int
) : String
Not applicable.



The starting position of the substring in this instance.


The length of the substring.

Return Value

A string whose value is the same as the specified substring of this instance.

Exception typeCondition


startIndex or length is less than zero.


The sum of startIndex and length is greater than the length of the current instance.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0