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String.Concat Method (String[])

Concatenates the elements of a specified String array.

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

public static string Concat(
	params string[] values
)

Parameters

values
Type: System.String[]

An array of string instances.

Return Value

Type: System.String
The concatenated elements of values.

ExceptionCondition
ArgumentNullException

values is null.

OutOfMemoryException

Out of memory.

The method concatenates each object in values; it does not add any delimiters.

String.Empty is used in place of any null object in the array.

The following example demonstrates the use of the Concat method with a String array.

using System;

public class ConcatTest {
    public static void Main() {

        // make an array of strings. Note that we have included spaces
        string [] s = { "hello ", "and ", "welcome ", "to ", "this ", "demo! " };

        // put all the strings together
        Console.WriteLine(string.Concat(s));

        // sort the strings, and put them together
        Array.Sort(s);
        Console.WriteLine(string.Concat(s));
    }
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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