If Statements

An if statement that makes one decision

 Dim a As Integer
  
 Dim b As Integer
  
 a = 3
  
 b = 4
  
 If a > b Then
  
   MsgBox ("a is greater then b")
  
 Else
  
   MsgBox ("b is greater then a")
  
 End If  

if statement where it's either or

 num = Int(Text1.Text) 'Input
  
 If (num > 0) Then
  
   strReply = "You have a car!"
  
 Else
  
   strReply = "You don't have a car!"
  
 End If  

An if statement where many decisions are made

 intInput = Val(System.Console.ReadLine())
  
     If intInput = 1 Then
  
       System.Console.WriteLine("Thank you.")
  
     ElseIf intInput = 2 Then
  
       System.Console.WriteLine("That's fine.")
  
     ElseIf intInput = 3 Then
  
       System.Console.WriteLine("Too big.")
  
     Else
  
       System.Console.WriteLine("Not a number I know.")
  
     End If
  

A case statement

 Dim grade As String 
  
 Private Sub Compute_Click( ) 
  
   grade=txtgrade.Text 
  
   Select Case grade 
  
    Case "A" 
  
       result.Caption="High Distinction" 
  
    Case "A-" 
  
      result.Caption="Distinction" 
  
    Case "B" 
  
       result.Caption="Credit" 
  
    Case "C" 
  
       result.Caption="Pass" 
  
    Case Else 
  
       result.Caption="Fail" 
  
    End Select 
  
 End Sub  

Terms

CBool - use this function to convert to Bool data type
CByte - use this function to convert to Byte data type
CChar - use this function to convert to Char data type
CDate - use this function to convert to Date type
CDbl - use this function to convert to Double data type
CDec - use this function to convert to Decimal data type
CInt - use this function to convert to Integer data type
CLng - use this function to convert to Long data type
CObj - use this function to convert to Object type
CShort - use this function to convert to Short data type
CSng - use this function to convert to Single data type
CString - use this function to convert to String data type

.vbproj->A Visual Basic project
Form1.vb->A form's code
AssemblyInfo.VB->Information about an assembly, includes version information
.vbproj.user->Stores project user options
.sln->Solution file which stores solution's configuration
.suo-> Stores Solution user options
Form1.resx.NET->XML based resource template
bin directory->Directory for binary executables
obj directory->Directory for debugging binaries

Module: Used to hold code
Variable: A named memory location of a specific data type used to hold some value
Procedure: A callable series of statements which may or may not return a value
Sub-Procedure: A procedure with no return value
Function: A procedure with return value
Methods: A procedure built into the class
Constructor: Special method used to initialize and customize the object. It has the same name as the class
Class: An OOP class which contains data and code
Object: An instance of a class
Arrays: Programming constructs that lets us access data by numeric index
Attributes: They are the items that specify information about other items being used in VB. NET

Visual Basic

  Dim FirstName As String
  
     Dim LastName As String
  
     Dim FullName As String
  
     FirstName = "Michael "
  
     LastName = "Voller"
  
     FullName = FirstName & LastName
  
     MessageBox.Show(FullName)  

to convert a number to a string

  Dim hi As Integer
  
     hi = 54
  
     Dim bye As String
  
     bye = hi.ToString
  
     MessageBox.Show(bye)  

I'm alive!!!