What is the difference between function and procedure in VB?

Asked By: Adiel Carecho | Last Updated: 23rd March, 2020
Category: technology and computing programming languages
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Function and Subroutine are used interchangeably in Visual Basic but they have a difference. The main difference between Function and Procedure is that Function is a procedure that performs a certain task and returns a value to the calling code while a procedure is a block of executable statements in the program.

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Also, what is the difference between function and procedure?

A Function must return a value but in Stored Procedures it is optional: a procedure can return 0 or n values. Functions can have only input parameters for it, whereas procedures can have input/output parameters. Functions can be called from a Procedure whereas Procedures cannot be called from a Function.

Likewise, what are functions in VB net? A Visual Basic 2010 function is a type of procedure that returns a value which is passed on to the main procedure to finish the execution. A function is similar to a sub procedure but there is one major difference, a function returns a value whilst a sub procedure does not.

People also ask, wHAT IS function and procedure in VB?

A Function procedure is a series of Visual Basic statements enclosed by the Function and End Function statements. The Function procedure performs a task and then returns control to the calling code. When it returns control, it also returns a value to the calling code.

What is a procedure example?

noun. The definition of procedure is order of the steps to be taken to make something happen, or how something is done. An example of a procedure is cracking eggs into a bowl and beating them before scrambling them in a pan. YourDictionary definition and usage example.

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How do functions work?

A function is an equation that has only one answer for y for every x. A function assigns exactly one output to each input of a specified type. It is common to name a function either f(x) or g(x) instead of y. f(2) means that we should find the value of our function when x equals 2.

What is the use of procedure?

Stored procedures provide improved performance because fewer calls need to be sent to the database. For example, if a stored procedure has four SQL statements in the code, then there only needs to be a single call to the database instead of four calls for each individual SQL statement.

WHAT IS function and stored procedure?

Stored Procedure. The function always returns a value. Stored Procedure will not return a value, but the procedure can return “0” or n values. Functions have only input parameters for it. Whereas, Procedures can have output or input parameters.

What does a function return?

12.4 Functions that Return Values. A return is a value that a function returns to the calling script or function when it completes its task. A return value can be any one of the four variable types: handle, integer, object, or string. The type of value your function returns depends largely on the task it performs.

What do you mean by parameters?


A parameter is a limit. In mathematics a parameter is a constant in an equation, but parameter isn't just for math anymore: now any system can have parameters that define its operation. You can set parameters for your class debate.

What's the procedure?

Medical Definition of procedure
1 : a particular way of accomplishing something or of acting. 2 : a step in a procedure especially : a series of steps followed in a regular definite order a surgical procedure a therapeutic procedure.

What do you mean by call by value?

The call by value method of passing arguments to a function copies the actual value of an argument into the formal parameter of the function. In general, it means the code within a function cannot alter the arguments used to call the function.

What is a procedure in VB?

A procedure is a block of Visual Basic statements enclosed by a declaration statement ( Function , Sub , Operator , Get , Set ) and a matching End declaration. All executable statements in Visual Basic must be within some procedure.

What are the advantages of using function?

Here are several advantages of using functions in your code: Use of functions enhances the readability of a program. A big code is always difficult to read. Breaking the code in smaller Functions keeps the program organized, easy to understand and makes it reusable.

What is sub procedure in VB?


A Sub procedure is a series of Visual Basic statements enclosed by the Sub and End Sub statements. The Sub procedure performs a task and then returns control to the calling code, but it does not return a value to the calling code. You can define a Sub procedure in modules, classes, and structures.

How many procedures are in VB?

In our program, we have two procedures. The Main() procedure and the user defined SimpleProcedure() . As we already know, the Main() procedure is the entry point of a Visual Basic program. Each procedure has a name.

What are .NET functions?

The Function statement is used to declare the name, parameter and the body of a function. The syntax for the Function statement is − [Modifiers] Function FunctionName [(ParameterList)] As ReturnType [Statements] End Function.

What is a list in VB?

VB.Net - ArrayList. Advertisements. It represents an ordered collection of an object that can be indexed individually. It is basically an alternative to an array. However, unlike array, you can add and remove items from a list at a specified position using an index and the array resizes itself automatically.

What is scope in VB?

The scope of a declared element is the set of all code that can refer to it without qualifying its name or making it available through an Imports Statement (.NET Namespace and Type).

What is Event in VB net?


Definition of Events in Visual Basic. By Mark Keller. In Microsoft Visual Basic, an event is a message sent by an object within a program to the main program loop, informing it that something has happened. This "something" can vary widely, from a timer running out to a mouse-click on the part of the user.

What is function overloading in VB net?

Method Overloading allows us to write different versions of a method (i.e. a single class can contain more than one methods (Sub / Functions) of same name but of different implementation). And compiler will automatically select the appropriate method based on parameters passed.

What is stream in VB net?

VB.Net - File Handling. When a file is opened for reading or writing, it becomes a stream. The stream is basically the sequence of bytes passing through the communication path. There are two main streams: the input stream and the output stream.