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What are the different types of variables in Visual Basic?

August 21, 2022

What are the different types of variables in Visual Basic?

In Visual Basic 6 the following variable types are available:

  • Array.
  • Boolean.
  • Byte.
  • Currency.
  • Date.
  • Double.
  • Integer.
  • Long.

How many data types are there in Visual Basic?

Data Types in Visual Basic

Data Type Size Range
Short 2 bytes -32,768 to 32,767
Single 4 bytes -3.4028235E+38 through -1.401298E-45 † for negative values; 1.401298E-45 through 3.4028235E+38 † for positive values
String Depends on Platform 0 to approximately 2 billion Unicode characters
UInteger 4 bytes 0 to 4,294,967,295

What is variable types in VB net?

A variable is nothing but a name given to a storage area that our programs can manipulate. Each variable in VB.Net has a specific type, which determines the size and layout of the variable’s memory; the range of values that can be stored within that memory; and the set of operations that can be applied to the variable.

What is variable in Visual Basic programming?

Visual Basic, just like most programming languages, uses variables for storing values. A variable has a name (the word that you use to refer to the value that the variable contains). A variable also has a data type (which determines the kind of data that the variable can store).

How do you name variables in Visual Basic?

The naming rules for variables in VB are as follows:

  1. the name must begin with a letter, followed by 0 or more letters, numbers, and/or underscore characters.
  2. the name may not contain spaces.
  3. the name cannot be a keyword.

What are the types of Visual Basic?

If…Then…Else Statement at Visual Basic for Applications Reference,msdn.microsoft.com

  • TypeName Function at Visual Basic for Applications Reference,msdn.microsoft.com
  • IsObject Function at Visual Basic for Applications Reference,msdn.microsoft.com
  • IsArray Function at Visual Basic for Applications Reference,msdn.microsoft.com

    • How to declare variables in Visual Basic?

    Declaration Levels. A local variable is one that is declared within a procedure.

  • Declaring Data Type. The As clause in the declaration statement allows you to define the data type or object type of the variable you are declaring.
  • Local Type Inference.
  • Characteristics of Declared Variables.

    • How do you declare a variable in Visual Basic?

    An elementary data type,such as Boolean,Long,or Decimal

  • A composite data type,such as an array or structure
  • An object type,or class,defined either in your application or in another application
  • A .NET Framework class,such as Label or TextBox
  • An interface type,such as IComparable or IDisposable

    • How do you use vbtab in Visual Basic?

    DirectCast. In practical fact,you will usually find that the requirements of your application will determine which operator you use.

  • TryCast. TryCast is even more restrictive because it won’t work at all on “value” types such as Integer.
  • CType.

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