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How can we connect to Microsoft Access , Foxpro , Oracle etc
How can we connect to Microsoft Access , Foxpro , Oracle etc ? Microsoft provides System.Data.OleDb namespace to communicate with databases like scess , Oracle etc. In short any OLE DB-Compliant database can be connected using System.Data.OldDb namespace. Note :- Small sample of OLEDB is provided in...
2007-10-24, 6548👍, 0💬

Can you explain Forms authentication in detail
Can you explain Forms authentication in detail ? In old ASP if you where said to create a login page and do authentication you have to do hell lot of custom coding. But now in ASP.NET that’s made easy by introducing Forms authentication. So let’s see in detail what form authentication is. Forms auth...
2007-10-24, 6514👍, 0💬

What is Service Oriented architecture
What is Service Oriented architecture? “Services” are components which expose well defined interfaces and these interfaces communicate through XML messages. Using SOA you can build workflow, which uses interfaces of these components. SOA is typically useful when you are crossing heterogeneous techni...
2007-10-24, 6505👍, 0💬

Explain all parts of a deployment diagram
Explain all parts of a deployment diagram? Package: It logically groups element of a UML model. Node: A physical system which represents a processing resource, example PC or a host machine. Component: It’s the actual implementation or physical module of a UML system. Node instance: It’s a runtime ph...
2007-10-26, 6501👍, 0💬

What is XSLT
What is XSLT? XSLT is a rule based language used to transform XML documents in to other file formats. XSLT are nothing but generic transformation rules which can be applied to transform XML document to HTML, CS, Rich text etc. You can see in the above figure how the XSLT processor takes the XML file...
2007-10-31, 6469👍, 0💬

What is the difference between System exceptions and Application exceptions?
.NET INTERVIEW QUESTIONS - What is the difference between System exceptions and Application exceptions? All exception derives from Exception Base class. Exceptions can be generated programmatically or can be generated by system. Application Exception serves as the base class for all applicationspeci...
2010-04-27, 6443👍, 0💬

What is the difference between delegate and events
What is the difference between delegate and events? ã Actually events use delegates in bottom. But they add an extra layer on the delegates, thus forming the publisher and subscriber model. ã As delegates are function to pointers they can move across any clients. So any of the clients can add or ...
2007-10-23, 6443👍, 0💬

Can you prevent a class from overriding
Can you prevent a class from overriding ? If you define a class as “Sealed” in C# and “NotInheritable” in VB.NET you can not inherit the class any further.
2007-10-23, 6430👍, 0💬

What is the difference between Authentication and authorization
What is the difference between Authentication and authorization? This can be a tricky question. These two concepts seem altogether similar but there is wide range of difference. Authentication is verifying the identity of a user and authorization is process where we check does this identity have acc...
2007-10-24, 6418👍, 0💬

How do we enable SQL Cache Dependency in ASP.NET 2.0
How do we enable SQL Cache Dependency in ASP.NET 2.0? Below are the broader steps to enable a SQL Cache Dependency:- • Enable notifications for the database. • Enable notifications for individual tables. • Enable ASP.NET polling using “web.config” file • Finally use the Cache dependency object in ...
2007-10-23, 6392👍, 0💬

Is Session_End event supported in all session modes
Is Session_End event supported in all session modes ? Session_End event occurs only in “Inproc mode”.”State Server” and “SQL SERVER” do not have Session_End event.
2007-10-23, 6355👍, 0💬

What is CodeDom
What is CodeDom? “CodeDom” is an object model which represents actually a source code. It is designed to be language independent - once you create a “CodeDom” hierarchy for a program we can then generate the source code in any .NET compliant language. So let’s try to do something real practical an...
2007-10-22, 6350👍, 0💬

How can you raise custom errors from stored procedure
How can you raise custom errors from stored procedure ? The RAISERROR statement is used to produce an ad hoc error message or to retrieve a custom message that is stored in the sysmessages table. You can use this statement with the error handling code presented in the previous section to implement c...
2007-10-25, 6332👍, 0💬

Can you explain in GSC and VAF in function points
Can you explain in GSC and VAF in function points? In GSC (General System Characteristic) there are 14 factors which are rated on 1 to 5 depending on the complexity of the factor. Below are the 14 factors: Data communications: - How many communication facilities are there to aid in the transfer or e...
2007-10-30, 6286👍, 0💬

Can you explain different software development life cycles - part II
Can you explain different software development life cycles -part II? Water Fall Model This is the oldest model. It has sequence of stages; output of one stage becomes input of other. Following are stages in Waterfall model: System Requirement: - This is initial stage of the project where end user re...
2007-10-30, 6276👍, 0💬

How can we suppress a finalize method
How can we suppress a finalize method? GC.SuppressFinalize ()
2007-10-23, 6264👍, 0💬

Explain in detail the fundamental of connection pooling
Explain in detail the fundamental of connection pooling? When a connection is opened first time a connection pool is created and is based on the exact match of the connection string given to create the connection object. Connection pooling only works if the connection string is the same. If the conn...
2007-10-24, 6254👍, 0💬

What is the use of “OverRides” and “Overridable” keywords
What is the use of “OverRides” and “Overridable” keywords ? Overridable is used in parent class to indicate that a method can be overridden. Overrides is used in the child class to indicate that you are overriding a method
2007-10-23, 6125👍, 0💬

What is XMLTextReader
What is XMLTextReader? XPOINTER is used to locate data within XML document. XPOINTER can point to a particular portion of a XML document, for instance address.xml#xpointer(/descenda nt::streetnumber[@id=9])The “XmlTextReader” class helps to provide fast access to streams of XML data in a forward-onl...
2007-10-31, 5979👍, 0💬

What is Indexer
What is Indexer ? An indexer is a member that enables an object to be indexed in the same way as an array.
2007-10-23, 5971👍, 0💬

Are CAO stateful in nature
Are CAO stateful in nature ? Yes. In CAO remoting model client creates a instance on server and instance variable set by client on server can be retrieved again with correct value.
2007-10-23, 5942👍, 0💬

What is the main difference between MSML and .NET Framework XML classes
What is the main difference between MSML and .NET Framework XML classes? MSXML supports XMLDOM and SAX parsers while .NET framework XML classes support XML DOM and XML readers and writers. MSXML supports asynchronous loading and validation while parsing. For instance you can send synchronous and asy...
2007-10-31, 5914👍, 0💬

How can we identify that the Page is PostBack
How can we identify that the Page is PostBack ? Page object has a “IsPostBack” property which can be checked to know that is the page posted back.
2007-10-24, 5880👍, 0💬

What is Post Cache substitution
What is Post Cache substitution? Post cache substitution is used when we want to cache the whole page but also need some dynamic region inside that cached page. Some examples like QuoteoftheDay, RandomPhotos, and AdRotator etc. are examples where we can implement Post Cache Substitution. Post-cache ...
2007-10-23, 5865👍, 0💬

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