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Can we have multiple document.ready() function on the same page?

Posted By :abhays     Posted Date :August 15, 2014    Points :40   Category :JQuery 
YES. We can have any number of document.ready() function on the same page.

You can also find related Interview Question to Can we have multiple document.ready() function on the same page?  below: 

How is body onload() function is different from document.ready() function used in jQuery?

  
Document.ready() function is different from body onload() function because off 2 reasons.

1. We can have more than one document.ready() function in a page where we can have only one onload function.
2. Document.ready() function is called as soon as DOM is loaded where body.onload() function is called when everything gets loaded on the page that includes DOM, images and all associated resources of the page. (More...)

What is difference between body onload() function and document.ready() function in jQuery?

  
Difference between body onload() functi and document.ready() function in jQuery is as below

1. We can have more than one document.ready() function in a page where as we can have only one onload function.
2. Document.ready() function is called as soon as DOM is loaded where body.onload() function is called when everything gets loaded on the page that includes DOM, images and all associated resources of the page. (More...)

How is body onload() function different from document.ready() function used in Jquery?

  
Document.ready() function is different from body onload() function because off 2 reasons:
1. We can have more than one document.ready() function in a page where we can have only one onload function.
2. Document.ready() function is called as soon as DOM is loaded where body.onload() function is called when everything gets loaded on the page that includes DOM, images and all associated resources of the page. (More...)

How can you cache Multiple Versions of a Page?

  
Using output cache you can cache multiple versions of the page.

We can either use,.

- @ OutputCache directive at design time declaratively for Declarative Approach
OR

- Response.Cacheclass at runtime for Programmatic Approach .

With @ OutputCache directive four parameters of VaryByParam , VaryByControl, VaryByHeader, VaryByCustom allows user to cache page depending on query string, control value, request's HTTP header, request's HTTP header respectively.

For an example:

To turn off caching,

Declarative Approach:
<%@ OutputCache Location="None" VaryByParam="None" %>

Programmatic Approach:
Response.Cache.SetCacheability(HttpCacheability.NoCache);


To cache the output for each HTTP request that arrives with a different ID:

Declarative Approach:
<%@ OutputCache duration="60" varybyparam=" ID" %>

Programmatic Approach:
Response.Cache.SetExpires(DateTime.Now.AddSeconds(60));
Response.Cache.SetCacheability(HttpCacheability.Public);
Response.Cache.VaryByParams["ID"] = true; (More...)

Is Multiple Pages possible In Single asp.net Page?

  
We can achieve this in simple way by using FrameSet .... (More...)

Populate multiple controls from DB in a single function using a single DataSet

  
Step 1:
- Write the different queries for getting the data from the DB for different controls in a single string variable by separating them with semicolon.

Ex -
//Create the SQL query.
string selectQueryForControlPopulation =
"SELECT COL1,COL2,... FROM TABLE_NAME1 WHERE CONDITION; SELECT COL1,COL2,..FROM TABLE_NAME2 WHERE CONDITION; ......";
Step 2:
- Create the DataAdapter, DataSet object. Execute the query and fill the DataSet object.

Ex -
//Create the Connection object.
OleDbConnection oConnection = new OleDbConnection(ConfigurationSettings.AppSettings["SQLConnectionString"]);

//Create the Command object.
OleDbCommand oCommand = new OleDbCommand(selectQueryForControlPopulation , oConnection );

//Create the DataAdapter object and set its property.
OleDbDataAdapter oAdapter = new OleDbDataAdapter();
oAdapter .SelectCommand = oCommandPopulateOrganizations;

// Create a DataSet object.
DataSet oDataSet = new DataSet();

//Filling the DataSet object.
oAdapter .Fill(oDataSet);

(**) The DataSet object contain the result of different queries as different tables. We can access those table to fill our controls.

http://www.mindfiresolutions.com/Populate-multiple-controls-from-DB-in-a-single-function-using-a-single-DataSet-831.php (More...)

Can we use multiple ScriptManager on a page?

  
No. You can use only one ScriptManager on a page.
(More...)

How can we call javascript function in page load event?

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

Can we add multiple script managers on a single page?

  
No it will throw error, a page can contain only one ScriptManager control in its hierarchy. To register services and scripts for nested pages, user controls, or components when the parent page already has a ScriptManager control, use the ScriptManagerProxy control.

The purpose of ScriptManager is just to enables AJAX In Your Web Application. so adding multiple ScriptManager doesn't make any sense. (More...)

Is it possible to use Multiple Script Manager in the Web page?

  
No , I think, It is not possible to use it .But Single Script manager is enough. (More...)

What is Method Overriding? How to override a function in C#?

  
Use the override modifier to modify a method, a property, an indexer, or an event. An override method provides a new implementation of a member inherited from a base class. The method overridden by an override declaration is known as the overridden base method. The overridden base method must have the same signature as the override method.
You cannot override a non-virtual or static method. The overridden base method must be virtual, abstract, or override. (More...)

Can code inside multiple catch block be executed?

  
No, Code can not execute in mutiple catch block (More...)

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