Designing Active Server Pages by Scott Mitchell

By Scott Mitchell

Designing energetic Server Pages is written for builders who've already mastered the fundamentals of ASP software improvement and are able to take the subsequent logical step. it's absolute to develop into an essential a part of each internet developer's library.

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This ASP page shows this information only for the Web’s root directory; however, only a slight modification to the code would be needed to allow the user to pass in the particular directory he is interested in viewing through the query string. Example 2-3. A JScript Example <% @LANGUAGE = "JScript" %> <% // What Web directory are we interested in? FileSystemObject"); var objFolder, objFile; This is the Title of the Book, eMatter Edition Copyright © 2000 O’Reilly & Associates, Inc. All rights reserved.

Else // Invalid phone number! search(objRegExprPhone) == 0) // Valid phone number! "); else // Invalid phone number! "); %> You can also perform regular expression searches using VBScript. 0 of the scripting engines, Microsoft released a Regular Expression COM object. This object is covered in greater detail in Chapter 4. This is the Title of the Book, eMatter Edition Copyright © 2000 O’Reilly & Associates, Inc. All rights reserved. 0, provides a mechanism to catch any errors that occur either directly from the code in an ASP page, or in an external object that is instantiated within an ASP page.

If you are new to Perl, I highly recommend that you obtain a copy of O’Reilly’s Learning Perl, Second Edition by Randal Schwartz and Tom Christiansen. PerlScript’s Variables and Datatypes Each PerlScript variable needs to contain a certain prefix. The prefix determines the variable’s datatype. With PerlScript, as with Perl, there are three major datatypes, as illustrated by Table 2-1. Table 2-1. PerlScript’s Datatypes Datatype Prefix Description Scalar $ Contains simple datatypes, such as strings and numbers Array @ Contains a variable number of scalar elements indexed by number; arrays are indexed starting at zero Associative Array % Contains a variable number of scalar elements indexed by a string value; also referred to as a hash, and functionally identical to a Dictionary object There are a number of ways to declare variables.

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