Microsoft Interview Questions

Q:

What is the difference between Listview and Treeview?

Answer

Tree view control is designed to display data that is hierarchical in nature, such as organization trees, the entries in an index, the files, directories on a disk. It is often used in conjuction with the List view control, which is used to display the contents of the folder selected in the tree view.


List view control displays data as listitem objects. The control excels at representing subsets of data or discrete objects.The list view property is often used in association with a tree view control.

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Q:

What is the difference between ADODC and ADODB?

Answer

- When u build connection with database through coding, then its ADODB.When u build connection with database through ADO component, then its ADODC.


- ADODB is a ActiveXdll and ADODC is a ActiveXcontrol.


- No Need to bind with controls in ADODB whereas in ADODC we should bind with controls.

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Q:

What is the difference between dao,rdo and ado explain simply ?

Answer

DAO (Data access object ) is used for accessing data before ado it was used for database installed on same sys where the application resides.


RDO (Remote data object ) is used for accessing remote data


ADO (Active data object ) most powerful till date it is nothing but combination of both DAO and RDO 

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Q:

Difference between DDE and OLE?

Answer

DDE (Dynamic Data Exchange) a communication protocol that let applications call each other.


OLE was the first protocol that enabled users and programmers to create compound documents?that is documents that contain data from different applications (for example an Excel worksheet inside a Word document).

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Q:

Does VB Supports OOPS Concepts?

Answer

Visual Basic is not support Inheritance and Data binding OOPS Concept 

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