Validation of xml with xmlvalidatingreader example
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NET can detect when a form is requested for the first time versus when the form is posted (sent to the server), that allows you to program accordingly. Custom controls A control authored by a user or a third-party software vendor that does not belong to the . This is a generic term that includes user controls. So a stolen session cookie can only be used in replay attacks as long as the ticket inside the cookie is valid. You can change that by modifying the timeout attribute accompanying the element in the Machine.config or a local Web.config file. Mail Message and Smtp Mail are classes defined in the . A client who requests a VSDISCO file gets back what appears to be a static DISCO document. However, Microsoft is actively discouraging the use of VSDISCO files because they could represent a threat to Web server security. A custom client control is used in Windows Forms applications. NET: A user-authored server control that enables an ASP. Authentication cookies issued as session cookies, do, however, include a time-out valid that limits their lifetime. If you place the following VSDISCO file in a directory on your Web server, for example then it returns references to all ASMX and DISCO files in the host directory and any subdirectories not noted in How does dynamic discovery work? NET maps the file name extension VSDISCO to an HTTP handler that scans the host directory and subdirectories for ASMX and DISCO files and returns a dynamically generated DISCO document. Discovery Request Handler and granting the ASPNET user account permission to read the IIS metabase.
Persistent authentication cookies do not time-out and therefore are a more serious security threat if stolen. Note that VSDISCO files are disabled in the release version of ASP. You can reenable them by uncommenting the line in the section of Machine.config that maps *.vsdisco to System. Is it possible to prevent a browser from caching an ASPX page? If I update session state then should I lock it, too? By locking application state before updating it and unlocking it afterwards, you ensure that another request being processed on another thread doesn't read application state at exactly the wrong time and see an inconsistent view of it. Culture What's the difference between Codebehind="My cs" and src="My cs"? Some times it is useful to cache the output of a website even for a minute, which will result in a better performance. Net provides a cache object for eg: cache["States"] = ds States; What do you mean by authentication and authorization? NET Framework SDK, open the file containing the code you want to debug, and set your breakpoints. (If "aspnet_wp.exe" doesn't appear in the list then check the "Show system processes" box.) Click the "Attach" button to attach to "aspnet_wp.exe" and begin debugging. The controls can bubble up their event handlers, allowing the main Data Grid event handler to take care of its constituents. NET function executed on Mouse Over over a certain button. It's the Attributes property, the Add function of that property. Caching Output Caching: Caches the dynamic output generated by a request. Go back to Dbg Clr, choose "Debug Processes" from the Tools menu, and select "aspnet_wp.exe" from the list of processes.The following directive sets Asp Compat to true: Setting Asp Compat to true does two things.
First, it makes intrinsic ASP objects available to the COM components by placing unmanaged wrappers around the equivalent ASP. Second, it improves the performance of calls that the page places to apartment-threaded COM objects by ensuring that the page (actually, the thread that processes the request for the page) and the COM objects it creates share an apartment. NET request threads into single-threaded apartments (STAs).
After Authentication a user will be verified for performing the various tasks, It access is limited it is known as authorization. NET, contains entries that map ASAX files, CONFIG files, and selected other file types to an HTTP handler named Http Forbidden Handler, which fails attempts to retrieve the associated file. Register Startup Script is for returning blocks of client scripts, not packaged in functions.
For caching the entire page the page should have Output Cache directive. Authentication is the process of validating a user on the credentials (username and word) and authorization performs after authentication. Note: A few of the references are were taken from other sites/sources. NET application that wasn't written with Visual Studio. Be sure to enable debugging in the ASPX file before debugging it with Dbg Clr. NET to build debug executables by placing a: section of Machine.config, which holds the master configuration settings for ASP. Register Client Script Block is for returning blocks of client-side script containing functions.
If the user is working with a browser that supports DHTML then the validation controls can also perform validation using a client script. Session state is locked down when the Http Application instance that's processing the request fires an Acquire Request State event and unlocked when it fires a Release Request State event. NET forms authentication cookies provide any protection against replay attacks?
Validation controls perform input checking in server code. One, it's unlikely that two requests from the same user will overlap. NET locks down session state during request processing so that two threads can't touch it at once.
What does Asp Compat="true" mean and when should I use it?