| C# | VB.Net | |
| Case sensitive | Yes | No |
| Self reference to current object | this | me |
| No explicit instance of object needed | static | Shared |
| Refer to base class | base | MyBase |
| Declare class that can't be inherited | sealed | NotInheritable |
| Declare method that can't be overridden | sealed | NotOverridable |
| Declare method that can be override in derived class | virtual | Overridable |
| Declare method that must be override in derived class | abstract | MustOverride |
| Declare a class must be inherited. An instance of the class cannot be created | abstract | MustInherit |
| Comments | /* comment */ | 'comment |
| Empty object | null | Nothing |
| Method that does not return value | void | Sub |
| Declare a variable | int a = 0; | Dim a as Integer = 0 |
| Declare an array | int[] a =new int[3]; | Dim a() As Integer |
| Declare an enumeration | enum | Enum |
| Iteration loop structure | for | For ... Next |
| Conditional loop structure | while | While ... End While |
| Conditional statement | if ... else ... | If...Else...End If |
Operator and data types
| C# | VB.Net | |
| Equal | == | = |
| Not equal | != | <> |
| Division | / | \ |
| Modulus | % | Mod |
| Logical AND | && | And |
| Logical OR | || | Or |
| Logical NOT | ! | Not |
| Integer datatype | int | Integer |
| String datatype | string | String |
| Boolean datatype | bool | boolean |
| Byte datatype | byte | Byte |
| Decimal datatype | decimal | Decimal |
| Float datatype | float | Single |
| Double datatype | double | Double |
| Date datatype | DateTime | Date |
