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What methods are fired during the page load?

Posted By :Subhransu Sekhar Jena     Posted Date :October 30, 2014    Points :40   Category :ASP.Net 
Init() - when the page is instantiated
Load() - when the page is loaded into server memory
PreRender() - the brief moment before the page is displayed to the user as HTML
Unload() - when page finishes loading.

You can also find related Interview Question to What methods are fired during the page load?  below: 

What methods are fired during the page load?

  
Init()

LoadViewState()

LoadPostData();

Load()

PreRender()

Unload() (More...)

What methods are fired during the page load?

  
Init() - when the pageis instantiated,
Load() - when the page is loaded into server memory,
PreRender() - the brief moment before the page is displayed to the user asHTML,
Unload() - when page finishes loading.

(More...)

In ASP.NET page framework an automatic way to associate page events and methods is

  
AutoEventWireup attribute of the Page directive is set to true (More...)

List the various stages of Page-Load lifecycle.

  
o Init()
o Load()
o PreRender()
o Unload() (More...)

In the page load event I assigned DropDownList's DataSource property to a valid list. On the submit button click.. the same DataSource property is coming as null. Why?

  
As ViewState is not storing the DataSource property.

We have to use Items property of DropDownList to get the items back. (More...)

How can we call javascript function in page load event?

  
this.button.Attributes.Add("OnClick",return functionname(););
(More...)

What is difference between Load() and LoadQuery() methods ?

  

Ans. Load method populates the client object directly with what it gets data from the server i.e. a collection object like ListItemCollection etc. but LoadQuery returns the data as a completely new collection in IEnumerable format. Other major difference is that the Collections that you load using the Load() method are eligible for garbage collection only when the client context variable itself goes out of scope where as, in these collections go out of scope at the end of IEnumerable list. (More...)


Q. What is difference between Load() and LoadQuery() methods ?

  
Ans. Load method populates the client object directly with what it gets data from the server i.e. a collection object like ListItemCollection etc. but LoadQuery returns the data as a completely new collection in IEnumerable format. Other major difference is that the Collections that you load using the Load() method are eligible for garbage collection only when the client context variable itself goes out of scope where as, in these collections go out of scope at the end of IEnumerable list.

(More...)

Difference between type constructor and instance constructor? What is static constructor, when it will be fired? And what is its use?

  
(Class constructor method is also known as type constructor or type initializer)
Instance constructor is executed when a new instance of type is created and the class constructor is executed after the type is loaded and before any one of the type members is accessed. (It will get executed only 1st time, when we call any static methods/fields in the same class.) Class constructors are used for static field initialization. Only one class constructor per type is permitted, and it cannot use the vararg (variable argument) calling convention. (More...)

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