an introduction to programming using microsoft visual basic net

Ngày tải lên: 17/03/2014, 23:20

... wit h the basics of Visual Basic .NET w it hin Visual St udio .NET. You can t hink of Visual Basic .NET as a m aj or upgrade t o t he Visual Basic 5 or 6 t hat you are probably using current ... learn t he landscape of Visual Basic .NET. Th e second goal of Chapt er 1 is to introduce ADO .NET. I f you think of Visual Basic .NET as a m ajor upgrade to Visual Basic 6, ADO. NET is m ore ... hat connect businesses and individuals anyt im e, anywhere, and on virt ually any soft ware device. Wit h advances in t he Visual Basic . NET language, Visual Basic .NET developers w ill finally...

Ngày tải lên: 24/12/2013, 02:18

... U. SELECT CompanyName, Country FROM Customers WHERE Country LIKE ’[^U]%’ Using the square brack et s to denot e a range can sim plify som e expressions. For exam ple, you can ret urn rows ... t hese t ech niques in m any environm ents— in Query Analyzer, encapsu lat ed wit hin views, in st ored procedures and user-defined funct ions— and in Visual Basic .NET. When you finish working ... source. You can speed an applicat ion’s perform ance by choosing j ust t he colum ns t hat an application t ruly requir es. Ret urning a Su bset of Colu m n s You can filt er out unwant ed colum...

Ngày tải lên: 24/12/2013, 02:18

... udfEmployeeExtensionManager() WHERE [Manager’s Name] = ’Steven Buchanan’ Print direct and indirect reports to Andrew Fuller. PRINT ’Report for Andrew Fuller Direct and Indirect Reports’ ... Extension FROM udfEmployeeExtensionManager() WHERE [Manager’s Name] = ’Andrew Fuller’ Print direct reports to Steven Buchanan. PRINT ’Report for Steven Buchanan Direct Reports’ SELECT FirstName, ... watermark. but you can nam e t he inst ances anyt hing you want. Just ch ange t he references to cabxli to t he nam e of a SQL Server inst ance t o which you can connect . By t he way, t he table...

Ngày tải lên: 24/12/2013, 02:18

... trgDeleteToChangeLog trigger. IF EXISTS (SELECT name FROM sysobjects WHERE name = ’trgDeleteToChangeLog’ AND type = ’TR’) DROP TRIGGER trgDeleteToChangeLog GO Create trigger to monitor deletes. ... trgUpdateToChangeLog trigger. IF EXISTS (SELECT name FROM sysobjects WHERE name = ’trgUpdateToChangeLog’ AND type = ’TR’) DROP TRIGGER trgUpdateToChangeLog GO CREATE TRIGGER trgUpdateToChangeLog ... artup and m anage linked server specifications Securityadm in Can perform sp_grant login, sp_addlogin, and sp_denylogin procedures; can also m anage dat abase creation perm issions and password...

Ngày tải lên: 24/12/2013, 02:18

... indicated above, you can create bot h Windows and Web solut ions wit h Visual Basic .NET. Second, Visual I nterDev is gone t oo. Now you can use the sam e Visual St udio .NET developm ent environm ... building solut ions, and t he firm has changed in a m aj or way its m ost popular program m ing language— Visual Basic. The scope and m agnit ude of t he changes provide Visual Basic dat abase developers ... ting and Usin g Class Referen ces A firm grasp of class developm ent pr inciples is m ore im port ant when creat ing solut ions wit h Visual Basic .NET t han for prior v ersions of Visual Basic. ...

Ngày tải lên: 24/12/2013, 02:18

... upgraded it s support for handling run-t im e errors w it h Visual Basic .NET. Visual Basic 6 and earlier v ersions of Visual Basic offered unst ruct ured error handling wit h t he On Error ... hods, and events of anot her class. I nherit ance for cust om classes is new t o Visual Basic program m ers wit h Visual Basic .NET. This sect ion begins wit h an overv iew of design issues and ... et hod. An applicat ion can inst ant iat e inst ances for a derived class and it s base class. I n t his way, t he applicat ion can invoke an unm odified m et hod from a base class and an updat...

Ngày tải lên: 24/12/2013, 02:18

... ’Instantiate a command reference pointing at the ’CustOrderHist stored proc. Dim cmd1 As SqlCommand = _ New SqlCommand(“CustOrderHist", cnn1) cmd1.CommandType = CommandType.StoredProcedure ... funct ion to report how m any days after t he st andard an order ships. The Creat eAndI nvokeUDF procedure in Module1 illust rates t he Visual Basic .NET syntax for creat ing, using, and finally ... including Visual Basic .NET. I n ot her words, you can build Web applications directly wit h Visual Basic .NET. Bu ilding Web applicat ions wit h Visual Basic is highly sim ilar to creat ing...

Ngày tải lên: 24/12/2013, 02:18

... of t he Visual St udio .NET docum ent at ion. N ot e You can open the Visual St udio .NET docum ent ation fr om the Program s m enu on the Window s St art butt on. Choose Microsoft Visual ... with Hello Showed button, ’then change message to Get busy, or else ’change message to Stay busy. If IsPostBack = False Then Button1.Text = “Click me" Button2.Visible = False ... discern an ASP .NET page based on it s ext ension, .aspx. The extension for an ASP .NET page is the sam e as t he ext ension of ASP pages w it h an x appended t o it. For exam ple, an ASP .NET page...

Ngày tải lên: 24/12/2013, 02:18

... understand how they work, and mayb e writing short programs of your own to test your understanding. And you should try to appreciate and absorb the pragmatics—this means learning how to use the language ... can’t say exactly what that means! Java is meant to run on many different platforms, and standard output will mean different things on different platforms. However, you can expect the message to ... protocols on the Internet are the Internet Protocol (IP), which specifies how d ata is to be physically transmitted from one computer to another, and the Transmission Control Protocol (TCP), which...

Ngày tải lên: 19/01/2014, 16:20

... only with C# . You can translate all the C# samples into Visual Basic .NET syntax. This chapter includes several Visual Basic .NET samples that you can use as a guide for translating C# samples. ... developed in another text editor. You m ay want to copy the text for the annotated schema to Visual Studio .NET for m ore fine-tuning and saving within the solution’s folder. Visual Studio .NET offers ... es, and text. You can select nodes for ancestors, descendants, and siblings of a specified document type. An ancestor is a type that contains the current type. For example, an order is the ancestor...

Ngày tải lên: 21/01/2014, 08:20

... You can do that by changing Nancie to Nancy in the Populat eModifyUpdateWithDiffGram procedure and re-running the procedure. N ot e As I mentioned, many Visual Basic .NET developers m ight ... services may be unfam iliar to many Visual Basic developers, Visual Studio .NET and the SQL Server 2000 Web Services Toolkit provide implementation techniques that are simple and straightforward. ... As you can see from the preceding pair of samples, it’s easy to adapt Visual Basic code is to ASP .NET. However, you might occasionally want to generate output for a Web environm ent using XSLT....

Ngày tải lên: 21/01/2014, 08:20

... eb Met hod Using the revised Web service gives you a chance to explore more ways of how to tap Web services from within Visual Basic .NET applications. Before you can take advantage of the ... during transm ission, and authenticating data from designated clients. See the “Cryptography Overview” topic in the Visual Studio .NET documentation for more detail on this topic. This topic ... essential to designate a SQL Server user when specifying an II S virtual directory, it can be useful— especially when the virtual directory hosts a Web service. Any Web service emanating from an...

Ngày tải lên: 21/01/2014, 08:20

Ngày tải lên: 21/01/2014, 08:20

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Ngày tải lên: 27/06/2014, 09:20