Visual Basic

Application Development Using Visual Basic® and .NET by Dana L. Wyatt

By Dana L. Wyatt

This publication supplies skilled builders the sensible perception they should construct firm purposes utilizing visible uncomplicated .NET. utilizing large code examples and a working case examine, the authors remove darkness from the .NET ideas and applied sciences that provide builders the best strength and cost. They hide the full technique of developing a .NET software: constructing an easy .NET console program; including a home windows kinds interface; keeping apart performance inside parts; supplying database entry through ADO.NET; securing your code; and utilizing ASP.NET to create net functions and providers.

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An octal integer is indicated with the &O[1] prefix, such as &O77 (which is 63 in base 10). A hexadecimal literal is indicated with the &H prefix, such as &H7FFF (which is 32,767 in base 10). The suffixes S, I, and L are used to designate Short, Integer, and Long. A floating-point literal is represented by a number with a decimal point or by exponential notation. You may determine the type[2] that is used for storing a literal by a suffix. The suffix F indicates single precision (32-bit) floating point.

Vb - Step 2 Public Class Hotel Private m_City As String Private m_Name As String Private m_Number As Integer Private m_Rate As Decimal ... NET Language Get Number = m_Number End Get Set(ByVal Value As Integer) m_Number = Value End Set End Property ... NET, a field normally is defined on a per-instance basis, with a unique value for each object instance of the class. Sometimes it is useful to have a single value associated with the entire class as a whole. This type of field is called a Shared field, or a class variable as opposed to an instance variable.

The default constructor is called when an object instance is created with New and no parameters. If you provide code for any constructor in your class, you must explicitly define a default constructor with no arguments, if you want one. Instantiating and Using an Object You instantiate an object by the New operator, which will cause a constructor to be invoked. com") ' Customer object now exists and cust is a reference to it Once an object exists, you work with it, including accessing its fields and methods.

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