--%>

Requirement of Timer control in AJAX

Explain the requirement of a Timer control in the AJAX.

E

Expert

Verified

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.

   Related Questions in Programming Languages

  • Q : Define way of kernel object outlive

    Explain the way of the kernel object outlive the process which created it.

  • Q : Explain Interpreter Interpreter : A

    Interpreter: A program that executes a translated version of the source program by implementing a virtual machine. The interpreters usually simulate the actions of an idealized Central Processing Unit. An interpreter for Java should implement the Java

  • Q : Explain Declaration and initialization

    Declaration and initialization: It is a statement in which a variable is declared and instantly given its initial value. Three illustrations of declaration and initialization are as follows:     int

  • Q : What is an Unchecked exception

    Unchecked exception: An exception for which it is not needed to give a local try statement or to propagate through a throws clause stated in the method header. An exception which is not handled will cause program annihilation when it is thrown.

  • Q : ERD What is the meaning ofDerive the

    What is the meaning ofDerive the department and staff relations from the following ERD.

  • Q : Explain the way to close an XHTML

    Explain the way to close an XHTML element.

  • Q : What is Common Gateway Interface Common

    Common Gateway Interface: The Common Gateway Interface (abbreviated as CGI) is a standard which permits Web clients to interact with programs on Web server. The CGI script is on the server and is able to process arguments or input from a client, and r

  • Q : Explain Increment operator Increment

    Increment operator: The operator (++) which adds one to its operand. It consists of two forms: pre-increment (++x) and post-increment (x++). In its pre-increment form, the outcome of the expression is the value of its argument subsequent to the increm

  • Q : State the term dispatcher State the

    State the term dispatcher.

  • Q : Problem on Planar scintigraphy Let

    Let assume seven PMTs situated around the origin of the x-y coordinates on the face of the Anger camera as illustrated in the figure. The size of the PMTs is 2mm by 2 mm and each PMT has been allocated a number. The single scintillation event yields a response from PM