AN INTRODUCTION TO PROGRAMMING USING MICROSOFT VISUAL BASIC NET PDF

để c ắ t ngh ĩ a v ề chính nó (self describing). Tìm bi ế t v ề m ộ t .NET application để có th ể làm vi ệ c v ớ i nó thì g ọ i là Reflection .
H ổ tr ợ và ph ố i h ợ p m ọ i ngôn ng ữ l ậ p trình
Common Language Runtime (CLR) là trung tâm đ i ể m c ủ a .NET Famework,[r]

Several things are going on in this routine. First of all, the symbol and quantity are read into variables. Second, the code distinguishes between call and put. If Call is selected in the combo box, a CallOption is added to myPortfolio. Likewise, if Put is selected, a PutOption object is adde[r]

2.1.2 Integrated Databases
A better alternative to a fi le processing system is an integrated database approach. In this environment all data belonging to an organization is stored in a single database. The database is not a mere collection of fi les; there is a relatio[r]

Scalar UDFs
A scalar UDF returns a single value. The com put ations inside a UDF cannot affect any ent ity outside t he UDF. SQL Server docum entation refers to t his property as UDFs having no side effects. The num ber of input param et ers for a UDF can range from 0 t hrough 1024. Jus[r]

One of t he really valuable aspects of t he DataSet obj ect in ADO.NET is t hat it is XML-based. What t his m eans is that you can m anipulat e t he elem ent s within a data set and indirectly m odify XML structures. This feature is part icularly beneficial when working wit h m ult ita[r]

to which you want to open a connection. By sett ing the I nt egrat ed Securit y
elem ent of t he ConnectionSt ring argum ent t o SSPI , you can designate a connection based on the current Windows account .
Aft er declaring and instant iating cnn1, the sam ple invokes t he Open[r]

By using an Automation client like Microsoft Excel, or Visual Basic, the end user can write code to access these objects and interact with HYSYS.. Code can also be written in HYSYS itsel[r]

Figure 1 3 - 1 1 . The client applicat ion form for t he Service1 W eb service in the TableProcessor folder.
The processing of the return values from the Colum nValues Web m ethod illustrates a typical scenario. A developer engineers an application so that it can accom m odate any of[r]

After studying this chapter you should be able to Explain the various functions of a typical web application, explain what is meant by the term clientserver and how the clientserver architecture can be implemented in a number of different ways, discuss the tradeoffs associated with various clientser[r]

4. Test the application and click the various menu items
5.3.2 SDI Improvements: The Document
The document is actually the object that holds the contents of a file. Based on this role, it is its responsibility to validate the creation of a new file or to store a file that is be[r]

TRANG 4 MICROSOFT .NET FRAMEWORK ARCHITECTURE WINDOWS LINUX COMMON LANGUAGE RUNTIME FRAMEWORK CLASS LIBRARY COMMON LANGUAGE SPECIFICATION MICROSOFT VISUAL BASIC® .NET C++ C# MICROSOFT JS[r]

One reason for m anually creat ing your own schem a is to creat e a strongly t yped data set. This kind of data set can act as a custom class except that it inherits the propert ies, m et hods, and events for an ADO.NET data set. You designat e a schem a at design tim e for[r]

Introducing ASP.NET • Chapter 1 7
and programmers really felt that things had settled into a stable technology.This newfound confidence was in part due to the evidence of successful transactional sites actually showing that the platform could deliver, but also the fact that the tec[r]

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C#, a new OOP language, is included in Visual Studio.NET as Visual C#. C# combines the flexibility of Visual C++ with the rapid application
development (RAD) features of