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
the WSDL Generator tool for MS Soap (soap 3 just launched, Visual FoxPro, and update the Web Servicepublish Wizard). For this example, the version of Ms SOAP is not cared for.
Invoking Web Service in. NET requires the creation of a proxy. Execute such a statement at a command prompt: (code#10)
Wsdl/language:cs/out:customer.cs Http://localhost/cust/customer.WSD
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
good thing!
Visual FoxPro 7 supports XML and also has built-in support for SOAP, which makes visual FoxPro 70% the. NET architecture, we can use visual FoxPro7 to easily develop and publish Web services so that our applications
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
engine, then what does Visual FoxPro use to achieve seamless connection of remote data? The Visual FoxPro itself has a data processing engine that is different from any other development tool! The Visual FoxPro data processing en
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
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
", which statement Handle share the original "connection handle".
The connection handle is released when the Statement Handle that is derived from a "connection handle" is all freed.
Can derive multiple statement Handle based on a shareable "connection handle". The connection handle for
must be created from the Connection object (component) in DBC. The connection handle created by using the connection string (Sqlstringconnect ()) or directly referencing the operating system
, must be processed to the client, this processing is often unusually complex, grouping, sorting, association, Statistics ... The implementation of these functions in Delphi is very cumbersome, in addition to the use of some third-party controls can solve some problems, without exception is a large number of "cycle + conditions", is really very cumbersome, heavy workload.
Based on the above thinking, plus the amount of data processed by SQL Server is not large, I try to write a COM to solve thi
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
In. Net, common VFP functions, no, finding an alternative, troublesome, and time-consuming. One of the learning practices.
With this Tookit, we can also use the same basic functions as VFP in. net. Thanks for your convenience !!
Tookit has been implemented beyond225VFP function.
You don't have to be a newbie... Function... Parameters ..
Toolkit has a complete help file, including examples of VB.net, C #
Upgrade
Wizard
Convert the currency data type to decimal, so the following code:
Dim X as currency
After the upgrade, it will be changed:
Dim X as decimal
Date
Visual
The basic 6.0 date variable is stored internally in the double format and can be operated as a double type variable.
The date variable is stored as an IEEE 64-bit floating point number, which indicates the date from January 1, January
Upgrade
Wizard
Convert the Currency data type to Decimal, so the following code:
Dim x As Currency
After the upgrade, it will be changed:
Dim x As Decimal
Date
Visual
The Basic 6.0 Date variable is stored internally in the Double format and can be operated as a Double type variable.
The Date variable is stored as an IEEE 64-bit floating point number, which indicates the Date from January 1, January
Microsoft Visual Studio international feature package 2.0: Http://www.microsoft.com/downloads/details.aspx? Familyid = 7d1df9ce-4aee-467f-996e-bec826c5daa2 displaylang = ZH-CN
Microsoft Visual Studio international feature package 2.0Visual Studio International Feature Pack 2.0 contains a group of controls and class libraries designed to help. NET developers cr
table as DataTable = Mydataset.tables ("table01")' Create an empty Excel spreadsheet documentDim Appexcel as Excel.Application = New Excel.ApplicationAPPEXCEL.APPLICATION.WORKBOOKS.ADD (True)' Read the field name of the data and display it in the first row of the resulting Excel tableDim Colindex as Integer = 0Dim col as DataColumn = New DataColumnFor each col in table. ColumnsColindex = Colindex + 1Appexcel.cells (1, colindex) = Col. ColumnNameNext' Conver
Visual Studio Converter
The Visual Studio. NET project converter (SEE) is very similar to ASP. NET version switcher. The difference is that it is used to convert the version of the Visual Studio project file. However..
Release: Visual debugging tools required by. NET developers (available for you) and. net debugging tools1: How to Use
1: Click to download:. NET visual debugging tool
2. Unzip the RAR file and run CYQ.VisualierSetup.exe. Then, close the prompt window.
PS: one run, supporting
this operation to introduce ActiveX Components in Visual C # Is not advocated by Microsoft, nor is it in line with Microsoft's launch. net. This is because Microsoft launched. Net to achieve cross-platform, to achieve "Write Once and Run Anywhere", and to Write the code again, it can Run on any platform. If the Active X component is used in the program, it is de
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