Requirement of Timer control in AJAX
Explain the requirement of a Timer control in the AJAX.
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Timer control is used with the UpdatePanel control to permit partial-page updates at the specified interval. It is mainly used when the periodically partial-page update for one or more UpdatePanel controls is needed without refreshing entire page.
Timer control is the server control that sets JavaScript component in a Web page. Interval property of Timer control denotes time in the milliseconds. Similar to UpdatePanel control, Timer control also need the instance of a ScriptManager control in a Web page.
When a Timer control initiates the postback, Tick event is raised on a server for which we can give the event handler to do the actions when a page is submitted to a server. Tick event takes place when a time specified in a interval property has elapsed and a page is posted on server. We can add one or more Timer controls on the Web page. Generally the whole page needs a single Timer control; though, we can use multiple Timer controls, if a UpdatePanel controls are updated at different intervals.
Name the components of ASP.NET AJAX architecture?
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Give a brief introduction about the operation of your program and show that you understand the idea behind threads and mutual exclusion variable. Why do we need to use mutual exclusion to control the access of the three global variables? What is the potential p
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Define the term Identifier: It is a programmer-defined name for a method, variable, class and interface.
Explain the relationship between XHTML and HTML?
Relative filename: It is a filename whose full path is associative to some point within a file system tree-frequently the present working folder (that is, directory). For example:
What are Literals and also state their respective types?
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