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AJAX Materials-Free Download
How Ajax objects can be created?
Following syntax can be used to create Ajax objects:
Var sample = New ajaxObject(path of the page)
What are the protocols used by Ajax?
HTTPs GET or POST
XMLHttpRequest for placing a request with the web server
Uses JSON to communicate between the client and server
UED or URL encoded data
What are all the security issues of Ajax?
Security issues that can be encountered
When Ajax calls are sent through plain text and it may lead to know the database details
Inserting scripts can also be possible and attackers can easily penetrate into the system
How can we handle concurrent requests?
Define the role of the Update Panel?
Update Panel is used to add functionality to the existing ASP.NET applications. By using partial page rendering, it can be used to update the content. Refresh can be made for the partial page instead of whole page.
Can we use nested update panel in Ajax?
Yes, we can use nested update panel in Ajax. Update panels can be nested to have more control over the Page Refresh.
What are the types of post back in Ajax?
There are two types of post backs:
How can we handle exception handling in Ajax?
ErrorTemplate which is the child tag of Script Manager is used to handle exception handling in Ajax.
What are the components of the ASP.NET Ajax Client Library?
Following components are used in Ajax client library:
Core Services Layer
Browser Compatibility Layer
What are the controls of the Script Management group?
The controls of script Management group are:
4. What are all the different data types that JSON supports?
JSON supports following data types:
What are the goals of Ajax?
The basic goals of ASP.NET Ajax are:
Reduced web server hits
Reduced Network load
Interactive user interface
Platform and architecture neutrality
Support for both synchronous and asynchronous communication
Provide a server- and client-side framework
What is the difference between proxied and proxyless calls in AJAX?
How many types of ready states in Ajax?
There are four ready states in Ajax:
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