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661: Session object variable set the validity of
Because each line and Server-side client is an independent Session, so Server Client require additional resources to manage the Session. Sometimes the user is surfing the web, suddenly other things to do and did not close the page on-line; if the Se...

662: Session object
Session Object and Application of functional objects, are used to store the variable inter-page procedure or object, but the Application object and Session object variable not like some features. Session object variable for a single page the user on...

663: Application object lock
Because the Application object variable can be used for each line, it may cause two or more users access the same variable at the same time the situation may result in incorrect data into. To avoid this situation, we use Application object as long a...

664: Application object variable access to content
Application object variable to obtain the syntax is as follows: Variable = Application ( "variable name") Next we come to the actual operation of Application variables. The following example declares three Application object variable, u...

665: Application object
Application object can generate an entire Web application can access the variables, this variable covers the entire visual users; that is, as long as the use of this website is the online program can access this variable. Application object type of ...

666: HtmlEncode and methods HtmlDecode
When we want to display HTML in the page marked, if the page output will be directly interpreted as an HTML browser, the content, so through the Server object method HtmlEncode it re-encoding output; and will be encoded to Back to the results of dec...

667: The use of COM components
COM (Component Object Model), the format of an object. COM in accordance with the specifications of any produced by the components, functions can be provided so that other programs or components used. To use the COM component, you can use the Server...

668: Server Object
Server object is also a member of the Page object, the main web page request to provide the necessary processing functions; such as the creation of COM objects, the codec will work string. Server object is the object class name HttpServerUtility, Ob...

669: Direct the output text file
Response object provides a direct output of our text file WriteFile method. If the output files to and implementation of web pages in the same directory, as long as the file name directly into the can; if they are not in the same directory, it must ...

670: Redirect address
Response object's Redirect method of the link can be redirected to other addresses, use a string as long as the incoming URL patterns can be, after the introduction of additional parameters in the URL of the URL string can be. The following exam...

671: Detect a user's online status
When the page needs time in the implementation of the complexity of computing or recycling, the user's browser has been in a wait state. At this point, if the user moves to stop browser, IIS, or continue to carry out operations, the system quite...

672: The use of buffer (Buffer)
Response object BufferOutput as a result of the default attributes for the True, to be output to the client's data is stored temporarily in the buffer zone, the procedure until all the events, as well as all the object of all interpretation of t...

673: Response object
Response object is the output data to the client, we have applied the previous Response section of the Write method of the object. Response category the target object of the correct name is HttpResponse, and the Request object as the object is a mem...

674: From out the user parameters
In front of us already know how to get users to upload parameter values, but that is already aware of the situation of the parameters under the name can be; and QueryString properties that we can use only use the index to obtain the parameter values...

675: MapPath method
MapPath method used to receive a string type of parameter, and returns the actual current path, as well as the combination of imported strings. Application of this method need to use the actual path in place, for example, link data sources and must ...

676: Client browser to obtain information
For the present and the server browser online information, you can use the Browser property. Browser Properties is a collection of objects, it can also use a type of object variables HttpBrowserCapabilities to receive Browser property return value. ...

677: Or read the value of the parameter object
Request object is the basic usage parameters or read the contents of the object. The following example code there are two procedures, we EX01.aspx first place in a HtmlAnchor object, and set its properties Href "Http://127.0.0.1/CR/CH09/EX02....

678: XML export and read
XML data exchange gradually become a standard format, so we have to understand ASP.NET and how to read XML file export. XML file export and read through the DataSet object and WriteXML method ReadXML, but the implementation of actions necessary to r...

679: Appendix B Key
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680: Appendix A Function Index
Abs (number) to obtain absolute values. Asc (String) String expression to obtain the first ASCII character code. Atn (number) to get a perspective of the value of the arctangent. CallByName (object, procname, usecalltype, [args ()]) method of the...


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