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directly performs operations on strings through append, remove, insert, and other methods, and returns the operation results through the tostring method.
Its definition and operation statement are as follows:
Int num;
System. Text. stringbuilder STR = new system. Text. stringbuilder (); // create a string
Str. append (Num. tostring (); // Add the numeric value num
Response. Write (Str. tostring); // display the operation result
3. Optimize configurat
clicks the page refresh key.
It is precisely because all browsers (as far as I know) do not provide any types of notifications for page refresh events, so the server-side code (such as ASP. NET, typical ASP, or ISAPI DLL) cannot be differentiated at all.RefreshRequests and GeneralSubmitOrResendRequest. To help ASP.
application. However, many people's web. config is usually empty or never modified.3. Use Response. Write to output messages to the front-endThe Response on the ASP. NET platform is very different from that on ASP. NET. Although
a new object, but directly performs operations on strings through append, remove, insert, and other methods, and returns the operation results through the tostring method.
Its definition and operation statement are as follows:
Int num;
System. Text. stringbuilder STR = new system. Text. stringbuilder (); // create a string
Str. append (Num. tostring (); // Add the numeric value num
Response. Write (Str. tostring); // display the operation result
directly performs operations on strings through append, remove, insert, and other methods, and returns the operation results through the tostring method. Its definition and operation statement are as follows:
Int num; system. text. stringbuilder STR = new system. text. stringbuilder (); // create a string Str. append (Num. tostring (); // Add the numeric value num response. write (Str. tostring); // display the operation result 3. optimize configurat
authentication in the Web. config file for applications that require authentication. Configure the application based on the appropriate request and response encoding settings. ASP. NET default encoding format is UTF-8. If your application is strictly ASCII, configure the application to use ASCII for a slight performance improvement. Disable AutoEventWireup for
need an entry in web. config. In the web. config file, delete unused HttpModules.
15. Avoid recursive functions/nested loops
Nested loops and recursive functions must be avoided in any programming language to improve performance.
16. Unnecessary Server Control
ASP. NET, a large number of server-side controls facilitate program development, but may also cause performance loss, because each time a user opera
performs operations on strings through Append, Remove, Insert, and other methods, and returns the operation results through the ToString method. Its definition and operation statement are as follows:
Int num; System. text. stringBuilder str = new System. text. stringBuilder (); // create a string str. append (num. toString (); // Add the numeric value num Response. write (str. toString); // display the operation result 3. optimize configuration files
Request member:1.request.urlreferrer get the source of the request, can be anti-theft chain2.request.userhostaddress get the IP address of the visitor3.request.cookies[""];//read Cookiesresponse.cookies[""];//write Cookies back to the browser4.request.mappath (""); Converts a virtual path to a physical path on diskResponse member: Buffered output of the response: in order to improve the performance of the server,
directly performs operations on strings through append, remove, insert, and other methods, and returns the operation results through the tostring method. Its definition and operation statement are as follows:
Int num; system. text. stringbuilder STR = new system. text. stringbuilder (); // create a string Str. append (Num. tostring (); // Add the numeric value num response. write (Str. tostring); // display the operation result 3. optimize configur
does not create a new object, but directly performs operations on strings through append, remove, insert, and other methods, and returns the operation results through the tostring method.
Its definition and operation statement are as follows:
Int num;
System. Text. stringbuilder STR = new system. Text. stringbuilder (); // create a string
Str. append (Num. tostring (); // Add the numeric value num
Response. Write (Str. tostring); // display
while refreshing it will be lost, because the real significance of refreshing is to resend the request ).
ASP. NET Request model:
Whether it is ASP. NET, ASP, PHP, and JSP page requests are all variants of HTTP requests. When we type an
Fxcop ASP. NET security rules-Asp. Net security rule set customized for fxcop
Http://fxcopaspnetsecurity.codeplex.com/
Project Description
Fxcop ASP. NET security rules
This is a set of code analysis rules aiming at analyzing
HTTP requests. In addition to class libraries, ASP. NET also contains several IIS components that manage requests. These components include the isapi dll named ASPNET_ISAPI.DLL and the auxiliary process named ASPNET_WP.EXE. ASP. NET also installs a new ing in IIS to redirect
and form data. If the parameter value cannot be analyzed and its type is reference or null, null is passed as the parameter value. Otherwise, an exception is thrown.
Get Parameters
You can use multiple methods to access the URL parameter value in the Controller operation method. The Controller class exposes the request and response attributes that can be accessed in the operation method. These attributes have the same semantics as httprequest and ht
. config file for applications that require authentication. Configure the application based on the appropriate request and response encoding settings. ASP. NET default encoding format is UTF-8. If your application is strictly ASCII, configure the application to use ASCII for a slight performance improvement.Disable autoeventwireup for Applications.In the machine.
Webforms have been very popular over the past 10 years. Since VB, Microsoft began to preach the RAD and Visual Programming methods. Even Microsoft's development tools are called Visual Studio.
By using Visual Studio, developers can drag and drop the UI components to the design interface, and Visual Studio automatically generates C # Or VB. NET code for these components. These can be called "Code Behind". In the "Code Behind" area, developers can writ
background code, developers can add logical code to manipulate these UI elements.Therefore, Microsoft's visual RAD Architecture system has two components, on the one hand is the UI, on the one hand is the background code. Therefore, the ASP. NET Web forms, including ASPX and ASPX.CS,WPF, contain Xaml/xaml. CS and so on.Problems with ASP.
ASP. NET Request Processing Process:When a * .aspxfile is requested, the request will be intercepted by the inetinfo.exe process. After determining the file suffix (aspx), it will forward the request to aspnet_isapi.dll, aspnet_isapi.dll sends the request to aspnet_wp.exein the HTTP pipeline. The request is processed through httpruntime in the aspnet_wp.exe process. After the request is processed, the resul
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