7th Chapter Debugging and error handling
The basic skills required to use ASP are described earlier, and the other issue in this chapter is what to do when an ASP error occurs, and what happens when an ASP goes wrong. When a carefully choreographed
(1) Traversing the code of the Contents collection
To traverse the Contents collection, you can use a For each ... Next structure. Each item in the collection can be a simple variant type variable, a Variant array, or a reference to an object.
1.3 ASP Server Objects
As seen earlier, there are quite a few things you can do with traditional dynamic page directives and commands through the server-side pages that are included with ISAPI to access the Web server. But at the same time there are
Before studying the details of the ASP from a programmatic perspective, you must look at the ASP object model. This is very important. Because if you do not do the same work on ASP 2.0, you must consider how the ASP generates the page.
Object
There is a program that is to add and remove elements from the application collection, as follows:
the Application object
the ASP application
If Len (Request.Form ("Cmdadd")) Then ' use whether length for 0来 judgment
Strvarname = Request.Form
How to create robust, accurate, maintainable, and performance-Good ASP applications? What do you want to do? Not doing what? In this paper, the main check-points (check point) is given in the form of outline.
What is ASP
Active Server Page,
In the first part of this article, I reviewed some basic questions about ASP development, and introduced some of the results of performance testing to understand how the code we put on the page might affect performance. In the second part of this
The search engine is composed of an ASP file of an HTM file, mainly uses the FileSystemObject component to achieve the goal, the function is formidable, after modifies the interface may use directly, certainly adds a little own thing to be even
One of the things that I personally found frustrating with classic ASP is the difficulty associated with completing many Common web-related tasks. For example, the need to allow web visitors to upload files to the Web server was fairly common for
ASP tutorial. Net train votes information Grab system
First, the system function:1. Every time from the network to crawl a new votes information;
2. Support to filter votes information according to keywords;
3. Support Crawl time interval setting;
ASP tutorial. NET import Excel or Word document codeDescription of the use of enableeventvalidation= "false";When you add an input server control (such as a TextBox) to a page, you need to set to false, or you will get an error, which is to turn off
In the Web page special effects code
The position of the HTML display content (that is, the content between the start and end tags, such as here (HTML tags) or Here (server-side control), which displays the variable as a placeholder in the
ASP tutorial. NET uploads and downloads files using server controls
The first step, select Upload file. Every two steps to determine the file format. The third step, specify the storage directory, step fourth, save the file.
No more nonsense.
Method one: For English, you can use a Label control directly to implement the display, because it will grow as the content increases.
Method Two: It is a multiline text box method that I adopt.
Part of the code is as follows: (This article uses
Classes and instances
Each object is different from other objects, but there may be similarities between some objects.
A class is an abstraction of an object that is an instance of a class.
Class
function StringBuffer () {this.__strings__ = new
In addition to the ASP tutorial. NET validation controls, most cases of using regular expressions in. NET use classes found in the system.text.regularexpressions namespace. Especially those you want to be familiar with, the main class regex,match ,
String s= "$2.00";S.replace ("$", "");S.trim ();
System.text.encoding.default.getbytecount (Fox); Get string length, one character equals two characters
Acquiring the location code of Chinese charactersbyte[] array = new BYTE[2];Array =
System learning ASP begins with several built-in ASP objects.Five objects: Request, Response, Server, Session, and ApplicationLet's take a look at the Request object today.Of course, what has not been mentioned yet is what ASP is like? How do I know
Statement......%> define the dim statementDim a, BA = 10B = "OK !"%>Note: the defined variables can be numeric, character, or other types. simple control process statements1. If condition 1 thenStatement 1Elseif condition 2 thenStatement
Because of the course requirements, I want to write an ASP program I wrote a few days ago today, which is very random. But it is always stuck in a small problem, and I encountered it a few days ago. At that time, the teacher had already mentioned me,
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