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Does the performance for viewstate vary according to User controls
Does the performance for viewstate vary according to User controls ? Performance of viewstate varies depending on the type of server control to which it is applied. Label, TextBox, CheckBox, RadioButton, and HyperLink are server controls that perform well with ViewState. DropDownList, ListBox, DataG...
2007-10-23, 5017👍, 0💬

Can we change the order in a select query with a specified collation sequence
Can we change the order in a select query with a specified collation sequence? Yes we can specify a collate sequence in the order by clause. That will change the sort according to the collation defined in the order by claused. ORDER BY { order_by_expression [ COLLATE collation_name ] [ ASC | DESC ] ...
2007-11-02, 5014👍, 0💬

How can we add relation’s between table in a DataSet
How can we add relation’s between table in a DataSet ? Dim objRelation As DataRelation objRelation=New DataRelation("CustomerAddresse s",objDataSet.Tables("Customer ").Columns("Custid"),objDataSet.Tables("Addresses" ).Columns("Custid_fk"))objDataSet.Relations.Add(objRe lation)Relations can be added b...
2007-10-24, 5007👍, 0💬

What is ViewState
What is ViewState ? Viewstate is a built-in structure for automatically retaining values amongst the multiple requests for the same page. The viewstate is internally maintained as a hidden field on the page but is hashed, providing greater security than developer-implemented hidden fields do.
2007-10-23, 5001👍, 0💬

What is concept of Boxing and Unboxing
What is concept of Boxing and Unboxing ? Boxing permits any value type to be implicitly converted to type object or to any interface type implemented by value type. Boxing is a process in which object instances are created and copy values in to that instance. Unboxing is vice versa of boxing operati...
2007-10-22, 5001👍, 0💬

How can you cache different version of same page using ASP.NET
How can you cache different version of same page using ASP.NET cache object ? Output cache functionality is achieved by using “OutputCache” attribute on ASP.NET page header. Below is the syntax &lt;%@ OutputCache Duration="20" Location="Server" VaryByParam="state" VaryByCustom="minorversion" Var...
2007-10-23, 4994👍, 0💬

How do we enable tracing
How do we enable tracing ? &lt;%@ Page Trace="true" %>
2007-10-24, 4992👍, 0💬

What is use of Interlocked class
What is use of Interlocked class ? Interlocked class provides methods by which you can achieve following functionalities :- ã Increment Values. ã Decrement values. ã Exchange values between variables. ã Compare values from any thread. in a synchronization mode. Example :- System.Threading.Int...
2007-10-22, 4990👍, 0💬

How can we save all data from dataset
How can we save all data from dataset ? Dataset has “AcceptChanges” method which commits all the changes since last time “Acceptchanges” has been executed.
2007-10-24, 4982👍, 0💬

What are the various ways of authentication techniques in ASP.NET
What are the various ways of authentication techniques in ASP.NET? Selecting an authentication provider is as simple as making an entry in the web.config file for the application. You can use one of these entries to select the corresponding built in authentication provider: ã &lt;authentication...
2007-10-24, 4977👍, 0💬

Can you describe IUKNOWN interface in short
Can you describe IUKNOWN interface in short ? Every COM object supports at least one interface, the IUnknown interface. All interfaces are classes derived from the base class IUnknown. Each interface supports methods access data and perform operations transparently to the programmer. For example, IU...
2007-10-22, 4974👍, 0💬

What is Object Oriented Programming
What is Object Oriented Programming ? It is a problem solving technique to develop software systems. It is a technique to think real world in terms of objects. Object maps the software model to real world concept. These objects have responsibilities and provide services to application or other objec...
2007-10-23, 4973👍, 0💬

what are the important principles of SOA
what are the important principles of SOA (Service oriented Architecture)? WCF is based on SOA. All big companies are playing big bets on SOA. So how can Microsoft remain behind? So in order to implement SOA architecture easily you need to use WCF. SOA is based on four important concepts: Boundaries ...
2007-11-04, 4972👍, 0💬

What are the various modes of storing ASP.NET session ?
.NET INTERVIEW QUESTIONS - What are the various modes of storing ASP.NET session ? * InProc:- In this mode Session state is stored in the memory space of the Aspnet_wp.exe process. This is the default setting. If the IIS reboots or web application restarts then session state is lost. * StateServer:-...
2009-06-02, 4970👍, 0💬

How will implement Page Fragment Caching
How will implement Page Fragment Caching ? Page fragment caching involves the caching of a fragment of the page, rather than the entire page. When portions of the page are need to be dynamically created for each user request this is best method as compared to page caching. You can wrap Web Forms use...
2007-10-23, 4969👍, 0💬

What are the other ways you can maintain state ?
What are the other ways you can maintain state ? Other than session variables you can use the following technique to store state : ? Hidden fields ? View state ? Hidden frames ? Cookies ? Query strings
2007-10-23, 4965👍, 0💬

P)Can you show a simple code showing file dependency in cache
P)Can you show a simple code showing file dependency in cache ? Partial Class Default_aspx Public Sub displayAnnouncement() Dim announcement As String If Cache(“announcement”) Is Nothing Then Dim file As New _ System.IO.StreamReader _ (Server.MapPath(“announcement. txt”))announcement = file.ReadToE...
2007-10-23, 4962👍, 0💬

How can we call methods in remoting Asynchronously ?
.NET INTERVIEW QUESTIONS - How can we call methods in remoting Asynchronously ? All previous examples are a synchronous method calls that means client has to wait until the method completes the process. By using Delegates we can make Asynchronous method calls.
2009-09-01, 4959👍, 0💬

How can you use Hidden frames to cache client data ?
.NET INTERVIEW QUESTIONS - How can you use Hidden frames to cache client data ? This technique is implemented by creating a Hidden frame in page which will contain your data to be cached. &lt;FRAMESET cols="100%,*,*"> &lt;FRAMESET rows="100%"> &lt;FRAME src="/data_of_frame1.html"> &l...
2009-07-14, 4949👍, 0💬

What are the situations you will use singleton architecture in
What are the situations you will use singleton architecture in remoting ? If all remoting clients have to share the same data singleton architecture will be used.
2007-10-23, 4949👍, 0💬

What is a Thread
What is a Thread ? A thread is the basic unit to which the operating system allocates processor time.
2007-10-22, 4949👍, 0💬

What is a project baselines
What is a project baselines ? It defines a logical closure of any deliverable or cycle. Example you have completed the requirement phase with sign off from the client on the requirement document.So you put a baseline and say that further any changes to this document are change request. Versioning of...
2007-10-30, 4945👍, 0💬

How do we generate Satellite assemblies
How do we generate Satellite assemblies?
2007-11-01, 4939👍, 0💬

What is a Web Service
What is a Web Service ? Web Services are business logic components which provide functionality via the Internet using standard protocols such as HTTP. Web Services uses Simple Object Access Protocol (SOAP) in order to expose the business functionality.SOAP defines a standardized format in XML which ...
2007-10-23, 4932👍, 0💬

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