...
wit h the basics of VisualBasic .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 VisualBasic 5 or 6 t hat you are
probably using current ... learn t he landscape of VisualBasic .NET. Th e second
goal of Chapt er 1 is to introduce ADO .NET. I f you think of VisualBasic .NET as a
m ajor upgrade toVisualBasic 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 VisualBasic . NET language, VisualBasic .NET
developers w ill finally...
... 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 VisualBasic
.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...
... 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...
... 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...
... indicated above, you
can create bot h Windows and Web solut ions wit h VisualBasic
.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 VisualBasic 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 VisualBasic .NET t han for prior v ersions of Visual Basic. ...
... upgraded it s support for handling run-t im e
errors w it h VisualBasic .NET.
Visual Basic 6 and earlier v ersions of VisualBasic 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 VisualBasic program m ers wit h VisualBasic .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...
... ’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 VisualBasic .NET
syntax for creat ing, using, and finally ... including VisualBasic .NET. I n ot her words, you
can build Web applications directly wit h VisualBasic .NET. Bu ilding Web
applicat ions wit h VisualBasic is highly sim ilar to creat ing...
... 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...
... 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...
... 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...
... 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 VisualBasic .NET developers m ight ...
services may be unfam iliar to many VisualBasic 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....
... eb Met hod
Using the revised Web service gives you a chance to explore more
ways of how to tap Web services from within VisualBasic .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...