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difference between RRS feed

Answers


  • Autopostback - page is posted back to the server automactically based on some events in the control.

    ispostback- checks whether the page is being loaded in response to a client postback, or if it is being loaded and accessed for the first time.

    ispostback=true -page is being loaded in response to a client postback.
    ispostback=false -the page is loaded for the first time

     


    •postback:
    the page performs a POST request to itself

    •autopostback:
    a postback is performed automatically, for example when the selected value of a dropdown changes


    •callback:
    a method which is invoked when a certain event occurs such as clicking on a button. It also could have another meaning that a page performs a request back to the server (such as an AJAX request

     

     


    Autopostback - Property of the controlIsPostback - Property of the Page classAutopostback - get and set property to control postback on changes made for control.for e.g.this.ListBox1.AutoPostBack = true; whenever user will select item the page will get post back.


    IsPostback - get property of the Page class to check if page is post back i.e. if it is true then page has already executed Init function of the page else it is first time the page has requested to be executed.Hope it will help.


    autopostback: a postback is performed automatically, for example when the selected value of a dropdown changes.
    Controls that support AutoPostback includes:

    List item
    ListControl
    BulletedList
    CheckBoxList
    DropDownList
    ListBox
    RadioButtonList
    CheckBox
    TextBox


    Mr.GMKREDDY
    • Marked as answer by Mr.GMKREDDY Thursday, July 28, 2011 5:38 PM
    Thursday, July 28, 2011 5:37 PM