ASP .Net
Asp.Net Faqs, Asp.Net interview questions,
How can we identify that the Page is PostBack ?
Dec 6th
Page object has a “IsPostBack” property which can be checked to know that is the page posted back.
In which event are the controls fully loaded ?
Dec 6th
Page_load event guarantees that all controls are fully loaded. Controls are also accessed in Page_Init events but you will see that viewstate is not fully loaded during this event.
What’ is the sequence in which ASP.NET events are processed ?
Dec 6th
Following is the sequence in which the events occur :- ? Page_Init.
? Page_Load.
? Control events
? Page_Unload event.
Page_init event only occurs when first time the page is started, but Page_Load occurs in subsequent request of the page.
Choosing between HTTP and TCP for protocols and Binary and SOAP for formatters, what are the trade-offs?
Dec 1st
Binary over TCP is the most effiecient, SOAP over HTTP is the most interoperable.
How do you create a permanent cookie?
Dec 1st
Setting the Expires property to MinValue means that the Cookie never expires.
What property must you set, and what method must you call in your code, in order to bind the data from some data source to the Repeater control?
Dec 1st
You must set the DataSource property and call the DataBind method.
How do you turn off cookies for one page in your site?
Dec 1st
Use Cookie.Discard property, Gets or sets the discard flag set by the server. When true, this property instructs the client application not to save the Cookie on the user’s hard disk when a session ends.
Which method do you use to redirect the user to another page without performing a round trip to the client?
Dec 1st
Server.transfer
What method do you use to explicitly kill a user s session?
Dec 1st
You can dump (Kill) the session yourself by calling the method Session.Abandon.
ASP.NET automatically deletes a user’s Session object, dumping its contents, after it has been idle for a configurable timeout interval. This interval, in minutes, is set in the <SESSIONSTATE>section of the web.config file. The default is 20 minutes.
What tag do you use to add a hyperlink column to the DataGrid?
Dec 1st
< asp:HyperLinkColumn > </ asp:HyperLinkColumn>
