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► KB ► To/From Guides ► ASP Classic

String Concatenation (ASP Classic and C++ Cross Reference Guide)

By Mike Prestwood

ASP Classic versus C++: A side by side comparison between ASP Classic and C++.

Operators

A language symbol used for assignment, comparison, computational, or as a logical.

String Concatenation

[Other Languages]

ASP Classic: "String Concatenation" & or +

Although you can use either a & or a + to concatenate values, my preference is to use a + because more languages use it. However, if you use & then some type conversions are done for you. If you use + you will sometimes have to cast a value to concatenate it. For example, you will have to use CStr to cast a number to a string if you use the + operator as a concatenation operator.

Syntax Example:

Dim FirstName
Dim LastName

FirstName  = "Mike"
LastName  = "Prestwood"

Response.Write "Full name: " & FirstName & " " + LastName

Response.Write "2+2=" + CStr(2+2)

C++: "String Concatenation" + or append

The + operator can be used with any combination of C++ strings, C strings and characters.

Syntax Example:

string fullname;
 
fullname = "Mike ";
fullname.append("Prestwood");
 
cout << "Hello " + fullname + "." << endl;