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Can multiple catch blocks be executed?
No, once the proper catch code fires off, the control is transferred to the finally block (if there are any), and then whatever follows the finally block.
samiksc
- Jan 9th, 2006
No: only one catch block will be executed for an exception. We can write several catch blocks below a try block. When an exception generates all these catch blocks will be scanned sequentially for a m...
yazhini
- Dec 14th, 2005
No.Multiple catch blocks will not be executed. But, we can use multiple catch blocks for a try block.The respective catch block will get executed according to the error arises.
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What is the first step to do anything with assembly
A) Load corresponding assembly to running processB) Query the assemblyC) None
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Why would you use untrusted verificaion?
Web Services might use it, as well as non-Windows applications.
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How do you debug an ASP.NET Web application?
Attach the aspnet_wp.exe process to the DbgClr debugger.
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What are three test cases you should go through in unit testing?
Positive test cases (correct data, correct output), negative test cases (broken or missing data, proper handling), exception test cases (exceptions are thrown and caught properly).
sahu
- Jan 9th, 2006
Ans:Yes,It is corect.Positive test cases (correct data, correct output), negative test cases (broken or missing data, proper handling), exception test cases (exceptions are thrown and caught properly).
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Explain the three services model (three-tier application).
Presentation (UI), business (logic and underlying code) and data (from storage or other sources).
sahu
- Jan 9th, 2006
Ans:1.Presentation (UI), 2.business (logic and underlying code) and 3.data access layer(from storage or other sources).
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What is the wildcard character in SQL?
Let us say you want to query database with LIKE for all employees whose name starts with La. The wildcard character is %, the proper query with LIKE would involve La%.
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Which one is trusted and which one is untrusted?
Windows Authentication is trusted because the username and password are checked with the Active Directory, the SQL Server authentication is untrusted, since SQL Server is the only verifier participating in the transaction.
sahu
- Jan 9th, 2006
ans:Trusted Windows Authentication is trusted because the username and password are checked with the Active Directory.Untrusted.the SQL Server authentication is untrusted, since SQL Server is the only verifier participating in the transaction.
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What connections does Microsoft SQL Server support?
Windows Authentication (via Active Directory) and SQL Server authentication (via Microsoft SQL Server username and passwords).
sahu
- Jan 9th, 2006
Ans:Windows Authentication (via Active Directory) and SQL Server authentication (via Microsoft SQL Server username and passwords).
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Explain ACID rule of thumb for transactions.
Transaction must be Atomic (it is one unit of work and does not dependent on previous and following transactions), Consistent (data is either committed or roll back, no “in-between” case where something has been updated and something hasnot), Isolated (no transaction sees the intermediate results of the current transaction), Durable (the values persist if the data had been committed even if the system...
sahu
- Jan 9th, 2006
Ans:ACID:ExpandingA:AtomicTransaction must be Atomic (it is one unit of work and does not dependent on previous and following transactions)C:ConsistentConsistent (data is either committed or roll back...
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What are advantages and disadvantages of Microsoft-provided data provider classes in ADO.NET?
SQLServer.NET data provider is high-speed and robust, but requires SQL Server license purchased from Microsoft. OLE-DB.NET is universal for accessing other sources, like Oracle, DB2, Microsoft Access and Informix, but it is a .NET layer on top of OLE layer, so not the fastest thing in the world. ODBC.NET is a deprecated layer provided for backward compatibility to ODBC engines.
sahu
- Jan 9th, 2006
Ans:Advantage:SQLServer.NET data provider is high-speed and robust.DisAdvantage.but requires SQL Server license purchased from Microsoft
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What is the difference between and XML documentation tag?
Single line code example and multiple-line code example.
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What debugging tools come with the .NET SDK?
CorDBG - command-line debugger, and DbgCLR - graphic debugger. Visual Studio .NET uses the DbgCLR. To use CorDbg, you must compile the original C# file using the /debug switch.
sahu
- Jan 9th, 2006
Ans:CorDBG - command-line debugger, and DbgCLR - graphic debugger. Visual Studio .NET uses the DbgCLR. To use CorDbg, you must compile the original C# file using the /debug switch.
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What does the This window show in the debugger?
It points to the object that is pointed to by this reference. Object’s instance data is shown.
sahu
- Jan 9th, 2006
Ans:It points to the object that is pointed to by this reference. Object?s instance data is shown
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Why are there five tracing levels in System.Diagnostics.TraceSwitcher?
The tracing dumps can be quite verbose and for some applications that are constantly running you run the risk of overloading the machine and the hard drive there. Five levels range from None to Verbose, allowing to fine-tune the tracing activities.
sahu
- Jan 9th, 2006
Ans:The tracing dumps can be quite verbose and for some applications that are constantly running you run the risk of overloading the machine and the hard drive there. Five levels range from None to Verbose, allowing to fine-tune the tracing activities.
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Where is the output of TextWriterTraceListener redirected?
To the Console or a text file depending on the parameter passed to the constructor.
sahu
- Jan 9th, 2006
Answer: To the Console or a text file depending on the parameter passed to the constructor.
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What is the difference between System.String and System.StringBuilder classes?
System.String is immutable; System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed.
sahu
- Jan 9th, 2006
Answer: System.String is immutable; System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed. function checkf(form) { var f = document.form1;if (document.form1.cmt.value=='') { alert('Please enter the comment'); return false; }}
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What is the advantage of using System.Text.StringBuilder over System.String?
StringBuilder is more efficient in the cases, where a lot of manipulation is done to the text. Strings are immutable, so each time it is being operated on, a new instance is created.
sahu
- Jan 9th, 2006
Ans:Yes,it is right.Answer: StringBuilder is more efficient in the cases, where a lot of manipulation is done to the text. Strings are immutable, so each time it is being operated on, a new instance i...
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To Configure .Net for JIT activation what do you do
A) Set JustinTimeActivation attribute to TrueB) Set JustinTimeActivation attribute to FalseC) None
samiksc
- Jan 10th, 2006
Actually JIT activation is required for COM+ components which can be done by setting JustInTimeActivation attribute to true (choice A). For .net applications / components JIT comes in by default.
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Which method is used by COM+ to ascertain whether class can be pooled
A) Pooled( )B) IsPooled( )C) CanbePooled( )
C# Interview Questions
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