FoxPro 7, I slowly have the feeling that with visual FoxPro 7 I will never use Visual FoxPro 6, which is also my judgment on visual FoxPro 7, though it is imperfect, Some places are no
of Visual FoxPro programming!
Record-oriented and set-oriented contention
According to the author's shallow cognition, the relational database processing can be divided into the oriented recording operation and the set-oriented operation.
The client cursor system supported by various development tools is a record-oriented operation that supports absolute posi
First part: Visual FoxPro OLE DB Provider
Speaking of Fox, the first impression is DBF data table, nearly 20 years of development process, do not know how many systems use DBF storage data. When you go to the. NET platform, how to access the Fox series of data is naturally a concern for many developers.
Prior to Visual FoxP
, not how to Chinese, the general Fox fans are not installed , so in terms of help, for friends who are unfamiliar with English, the English visual FoxPro 7 is the same as the Chinese visual FoxPro 6; Visual FoxPro 7 is not
has indeed spent a lot of effort!
IntelliSense. I used to envy Visual Basic programmers, who had the IntelliSense tools in Visual Basic 5 o'clock, so they didn't have to memorize a lot of commands, functions, external ActiveX, COM programming can easily get the object's methods, attributes, Event. In Visual
my experience, the MDB database for access applies to 200,000 data/table applications (its only advantage over the Visual FoxPro database is that all of the database components are in the same MDB file, and Fox's database may be composed of multiple files, which is messy). And the amount of data added, it's not that access can't handle it, it's inefficient--queries, indexes are slow.
, looks so pale, really "sea change Kuwata" Ah!
With only this enhancement, visual FoxPro 8 is already dazzling, believing that no developer will be tempted to "structured exception handling" to upgrade to Visual FoxPro 8!
(ii) CursorAdapter class
The CursorAdapter class provided by
(iii) A new "connection"
Visual FoxPro 8 Enhancements in heterogeneous database programming, and more directly, improvements to SQL Server support. I think, at least in two aspects: one is through the CursorAdapter object to provide a more flexible than remote view, more easily programmable Cursor management object, another is based on the original concept of "c
Say in front
I remember the first time I contacted COM component programming, there is the question: there is no good way to pass the dataset. We know that Visual FoxPro is the most powerful data processing system, and its cursor strong, flexible support is unmatched. Since Visual
Visual FoxPro is detached from Visual Studio
February 26, 2001, Microsoft announced the separation of visual FoxPro 7 from Visual Studio, is this good news or bad news? Let's analyze:
What have we lost?
Let's first observe that
Part III: in. NET in the use of VFP written Web service
. NET and Java to be able to sell across different platforms, Java seems to pay attention to the cross-platform nature of the code itself. NET is more concerned with the cross-platform data, so. NET holds the banner of XML Web service in front of us, and in a sense. NET is an XML Web service.
Visual FoxPro support for XML Web service is based on MS X
This article, which I wrote for Programmer magazine, was published in the 9th issue of the magazine in 2002, and it should be the first ever article on Visual FoxPro in the "programmer" magazine, thanks to Mr. Editor ...
Writing this article is very difficult, because the area involved is too new, there is little information to learn from, even the original. Fortunately, since last year I have been on and
visual| Data | questions
Topics: Multiple users and data buffering issues in Visual FoxPro
Shaoxing
Many Fox friends (foxers) are from DBASE―FOXBASE―FOXPRO―VFP such a road come over, if say from FoxBase to Foxpro is a leap, then from the
Say in front
have been trying to write something about visual FoxPro 7, but not the pen. There are two reasons: one is busy, lazy to write, and then visual FoxPro 7 new features do not float on the surface, a very difficult to understand, not to mention written article.
Difficult, or to write. I am not a professional
Say in front
The experiment of this article must be carried out on the premise of Internet connection!
The definition of Web service in this article is part of the "C # asp.net" Book of Taiwan's Peak Information Co., Ltd.
Visual FoxPro 7 full support for Web Service
Visual FoxPro 7 has special support for Web serv
by web, lan, and even your own computers and applications.
Visual FoxPro makes it easy to organize data, define Database Rules, and create applications.Visual FoxPro integrated development environment not only has powerful object-oriented programming toolsAnd Client/Server capabilities, and supports Ole and ActiveX. I
Part two: in. NET in the use of VFP written COM components
Fox can be flexible, intuitive, fast processing data, making it very suitable for application at the level of business logic. Starting with Visual FoxPro 5, Microsoft has been strengthening the development capabilities of the visual FoxPro COM components. Brie
Some time ago, I helped a student complete a Visual FoxPro Sorting Algorithm assignment question and recorded it here.
I. Question requirements:
The program requires the user to enter n numbers first, finally, the original input series are output in sequence, the series after the ascending order, the series after the ascending to the smallest arrangement, and the series after the large to small arrangement
' Visual FoxPro Connection method:
Set Adocon=server.createobject ("Adodb.connection")Adocon.open "Driver={microsoft Visual FoxPro Driver};sourcetype=dbc;sourcedb=*.dbc;exclusive=no;"
' Ms Text connection method:
Set Adocon=server.createobject ("Adodb.connection")Adocon.open "Driver={microsoft Text Driver (*.txt; *.
Visual C ++ network programming-notes and visual Network Programming
Part 1: Basic knowledge (network)
1. OSI Layer-7 network model: OSI network model is a reference model for Open System Interconnection. It includes 1. Physical hardware layer, 2. data link layer, 3. network layer, 4. Data Transmission Layer, 5. Sessio
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