By Peishu Li
A hands-on source combining visible simple programming with COM+ programming. as well as studying visible simple, readers how one can administer COM+ elements and supply safety. additionally they learn the way COM+ can be utilized to unravel difficulties of company program Integration.
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Additional info for Visual Basic and COM+ by example
MDAC consists of a set of programming interfaces, including OLE DB, ActiveX Data Objects (ADO), and Open Database Connectivity (ODBC). OLE DB and ADO are COM-based interfaces that offer easier programming models and better performance over ODBC. Microsoft integrates OLE DB and ADO support into all the programming languages in Visual Studio. ” 04 0789724588 CH02 10/25/00 5:11 PM Page 43 Where COM+ Fits In 43 MESSAGE SERVICES Message queuing is an industry standard that allows different applications or their components to interact in a loosely coupled, asynchronous manner.
Here, you’ll first look at what challenges today’s enterprise and Internet applications have to face. Then you’ll see how Windows DNA addresses and resolves these challenges through its application architecture and infrastructure services. Internet Applications and Their Challenges The explosion of the Internet, especially the World Wide Web, has brought about tremendous business opportunities. To stay competitive, companies and organizations are urged to get their businesses on the Web to extend their reach to more customers who are simply impossible to reach by traditional means and to conduct business with partners more efficiently.
12. Given these three different methods for creating an ADO recordset, which one should you choose? 4). 5). 6). Calling stored procedures using ADO will be discussed next. ADVANCED ADO TECHNIQUES In previous sections, I briefly introduced some basic ADO operations. In this section, I will teach you some advanced ADO techniques, such as calling a SQL stored procedure, using a disconnected recordset, and creating a shorthand recordset. I will also discuss ADO error handling. EXAMPLE Let’s first look at how to call stored procedures.
Visual Basic and COM+ by example by Peishu Li