Visual Basic Interview Questions

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OOPS, Pointer

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Visual Basic Interview Questions

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Pl explain Diff between array and collection object

Latest Answer: Array is used to difine variables of same type and size where as collection is as temporary allocated area created in volatile memory using the concept of array to store data temporarily. ...

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What is instead of trigger? Explain

Latest Answer: Instead of Trigger is used in SQL Server it used when we execute some sql QUERYsome how that query doesn't execute then Instead of Trigger is fired. ...

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How will u get ocx file added to your project ?

Latest Answer: go to components and add a new ocx file ...

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Suppose emp is one class that we have to create, and have to add empname, empid as member of this class,

Suppose emp is one class that we have to create, and have to add empname, empid as member of this class, what should be the code for that ? how we can calculate the salary for emp ? pl explain steps.pl comment

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What is difference between sub query and co-query?

Latest Answer: Sub-query is an inner query that returns a result used by another outer query may be by means of an IN operator like the following:select * from [dbo].[Orders] where [Customer_ID] IN (select Customer_ID from [dbo].[Customer] where [City]='Kolkata')A ...

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From a procedure if suppose we want more values to return, then which parametershould be used ?

Latest Answer: out parameter ...

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What is default parameter of a procedurebyref or byval ?

Latest Answer: By Ref ...

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What is typedef? explainpl comment

Latest Answer: Typedef is a c++ language keyword to difene a synonyms for both fundamental and derived types.example:1) typedef unsigned char BYTE; 2) typedef BYTE * PBYTE; ...

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For getting more values from a function which parameter should we use, out or inout ?pl comment

Latest Answer: As the function can return only one out parameter, use multiple input parameters & pass them By Ref ...

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What is optimization ? how many types of it ? explain its usage.pl comment

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