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What does Asp Compat="true" mean and when should I use it?
Without Asp Compat="true," request threads run in a multithreaded apartment (MTA) and each call to an STA-based COM object incurs a performance hit when it's marshaled across apartment boundaries. 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. 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.
NET user control is authored declaratively and persisted as a text file with an extension. NET page framework compiles a user control on the fly to a class that derives from the System. It's up to you to prevent this from happening by using an encrypted communications channel (HTTPS). In addition, you must use the IIS configuration applet to enable localhost (127.0.0.1) to relay messages through the local SMTP service. VSDISCO files are DISCO files that support dynamic discovery of Web services.