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When you have a complex control, like Data Grid, writing an event processing routine for each object (cell, button, row and so on) is quite tedious. Add("on Mouse Over","some Client Code();") What data type does the Range Validator control support? In the context of a web application, caching retains the pages or data across HTTP requests and reuses them without the expense of recreating them. NET has 3 kinds of caching, strategies Output, Caching Fragment and Caching Data.
Caching is a technique widely used in computing to increase performance by keeping frequently accessed or expensive data in memory.
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.
NET that tests user input in HTML and Web server controls for programmer-defined requirements. Concurrent accesses aren't an issue with session state, for two reasons.
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. 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.That includes all COM objects written with Visual Basic 6.0.Asp Compat should also be set to true (regardless of threading model) if the page creates COM objects that access intrinsic ASP objects such as Request and Response.