String.Concat Method (String, String)

 

Concatenates two specified instances of String.

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

public static string Concat(
	string str0,
	string str1
)

Parameters

str0
Type: System.String

The first string to concatenate.

str1
Type: System.String

The second string to concatenate.

Return Value

Type: System.String

The concatenation of str0 and str1.

The method concatenates str0 and str1; it does not add any delimiters.

System_CAPS_noteNote

You can also use your language's string concatenation operator, such as + in C#, or & and + in Visual Basic)

, to concatenate strings.

An Empty string is used in place of any null argument.

The following example concatenates a person's first, middle, and last name.

using System;

public class ConcatTest {
    public static void Main() {

        // we want to simply quickly add this person's name together
        string fName = "Simon";
        string mName = "Jake";
        string lName = "Harrows";

        // because we want a name to appear with a space in between each name, 
        // put a space on the front of the middle, and last name, allowing for
        // the fact that a space may already be there
        mName = " " + mName.Trim();
        lName = " " + lName.Trim();

        // this line simply concatenates the two strings
        Console.WriteLine("Welcome to this page, '{0}'!", string.Concat( string.Concat(fName, mName), lName ) );
    }
}
// The example displays the following output:
//        Welcome to this page, 'Simon Jake Harrows'!

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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