Difference between listbox and combo boxA LISTBOX CONTROL displays a list of items from which the user can select one or more. If the number of items exceeds the number that can be displayed, a scroll bar is automatically added to the ListBox control. A COMBOX CONTROL combines the features of a text box and read more »

This is a VB tutorial book which describes Microsoft Visual Basic 2008 Step by Step Teach yourself the fundamentals of working with Visual Basic 2008 one step at a time. With STEP BY STEP, you work at your own pace through hands-on, learn-by-doing exercises. Whether you re a beginning programmer or new to this specific read more »

Difference between Linked Object and Embedded ObjectEmbedding objects -When you embed an object, a copy of the object is inserted into the destination document. There’s no link to the original file. When you change information in the source document, no changes will be reflected in the destination document. The actual data for the object is read more »

Define the scope of Public, Private, Friend proceduresThe set of public variables, methods, properties, and events described in a class module define the interface for an object. The interface consists of the object members that are available to a programmer who’s using the object from code. You can create private variables, methods, properties, and events read more »

Difference between a function and a subroutineA function accepts any number of parameters (possibly zero), does something with them, and returns a value. A subroutine is performs an action, but doesn’t return a value. There are two differences between a function and a subroutine: A)How they are invoked. B)How they are accessed. A function call read more »

DIFF between Image and Picture box controls?The sizing behavior of the image control differs from that of the picture box. It has a Stretch property while the picture box has an AutoSize property. Setting the AutoSize property to True causes a picture box to resize to the dimensions of the picture; setting it to False read more »

BENIFTIS OF USING MTSDatabase Pooling, Transactional operations, Deployment, Security, Remote Execution This allows MTS to reuse database connections. Database connections are put to ?sleep? As opposed to being created and destroyed and are activated upon request.

What are the Control Categoriesa)Intrinsic controls:such as the command button and frame controls. These controls are contained inside the Visual Basic .exe file. Intrinsic controls are always included in the toolbox b)ActiveX controls:which exist as separate files with a .ocx file name extension. These include controls that are available in all editions of Visual Basic read more »

What are the Advantages of disconnected recordsetsA disconnected Recordset, as its name implies, is a Recordset that lacks a connection. seen that a Recordset that does not have a database connection can be very useful as a tool in your programming. It can save you time and effort and make your code more scalable. In read more »

What are Benefits of wrapping database calls into MTS transactionsIf database calls are made within the context of a transaction, aborting the transaction will undo and changes that occur within that transaction.This removes the possibility of stranded, or partial data. Transaction that uses the Microsoft® Transaction Server (MTS) environment. MSMQ implicitly uses the current MTS read more »