delphi mysql

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How to use MySQL in VC and Delphi

We often encounter this problem, how to use the MySQL database in a non-web program or ASP program? There are two solutions to this problem: 1. Use the Library of API functions provided by MySQL. This is how many well-known MySQL client tools are implemented, as is the famous Winmysql tool. This can be achieved in most development tools. such as VC,BCB,

Delphi uses dbexpress component to connect remote MySQL database

Delphi6 's new dbexpress is specifically designed to deal with databases such as mysql,db2,interbase,oracle, and when used, take care to copy Libmysql.dll to the current directory or system directory (98:SYSTEM,NT:SYSTEM32) and ensure that your 3306 ports are connected to the remote server. SOURCE program: InterfaceUsesWindows, Messages, sysutils, variants, Classes, Graphics, Controls, Forms,Dialogs, Dbxpress, DB, sqlexpr, Stdctrls, Comctrls, FMTBCD

DELPHI using dbexpress control to connect MySQL database method

1. Place 4 controls on a form: Sqlconnection1,simpledataset1,datasource1,dbgrid(Note: If the "Operation not allowed on unidirectional dataset" error occurs for the following reason:).Find an article on the internet as follows:error Description: sqlconnection1, Sqlquery1, Datasource1, and dbgrid1 are used when manipulating the database using the Dbexpress control. In sequential connection, an error occurred when setting the DataSource property of DBGrid to the Datasource1 control: "Operation not

Delphi 2007 for the Win32/delphi for PHP, the speed is really very fast!

increases the ability to migrate applications. 2, DBX 4 new drivers are written using Delphi and provide the original code, which means that delphiers can also refer to and develop a customized driver. More importantly, you can use object-oriented technology to develop drivers. 3, DBX 4 architecture built to support Unicode, so in this Delphi 2007 for Win32, CodeGear paid Interbase,ms SQL Server 2000/200

Before Delphi, please refer to the following section of the BCB anti-Replay Function in the same window as Delphi. I have never succeeded for a long time and have little knowledge of Delphi, more than enough.

Before Delphi, please refer to the following section of the BCB anti-Replay Function in the same window as Delphi. I have never succeeded for a long time and have little knowledge of Delphi, more than enough. Delphi/Windows SDK/API Http://www.delphi2007.net/DelphiDB/html/delphi_20061218170853237.html // Anti-Reopen win

Delphi Introductory Tutorials

Chapter One introduction of-delphi (i) (1) Chapter One introduction of-delphi (i) (2) Chapter One introduction of-delphi (i) (3) Chapter One Introduction to-delphi (II.) (1) Chapter One Introduction to-delphi (II.) (2) Chapter One Introduction to-

[Delphi inline assembly Learning 1] Delphi and assembly

I always think that Delphi functions are not inferior to C ++ in that it provides a wide range of controls and classes, all APIs, and embedded compilation. Recently, when my younger brother used Delphi to write the C version of Huffman compression, he "studied" Delphi's bit operations and Embedded Assembly. Using embedded assembly, We can get efficient program code, complete some underlying functions not pr

Delphi legend-Delphi/PASCAL programming tutorials and learning resource download Summary

Development tools: Official website and registration of Embarcadero rad studio xe (Delphi Xe/C ++ builder Xe) Embarcadero rad studio 2010 (Delphi 2010, C ++ builder 2010) Download Turbo Pascal 7.0 A good helper for learning and developing Pascal: Ezy Pascal 5.20 (cracked version) download Reference books: Delphi Basics

[Delphi Tutorials]delphi Development Tutorials (1)

How to prompt for characters on image. How to join TB2K FastReport4.0 the problem of Chinese after installation. How to get the current year and month alone?? [Exam questions] What's the difference between the two string assignment statements Txmldocument Control usage Issues It's urgent and urgent!!! Network data communication problem (multithreading how to Solve???) Questions about saving a record type to a file How to make a form not hidden after the user presses the display desktop (not alwa

Delphi Master Breakthrough (III) Delphi Advanced Step

3rd Chapter exception and error handlingA robust program comes from the correct error handling.Believe me, there will always be surprises ...Delphi Master BreakthroughJust as in real life we can't do everything well, and the code you write can't be right for every lineof the implementation. Life in the face of bad things, handled well, after the storm, the situation will become worse,Even if it is out of hand, the consequences are difficult. The same

[Delphi] ODBC and ADO in Delphi

Delphi In ODBC And ADOBoth ADO and ODBC are used to access the database. They are encapsulation of the underlying data driver and can be used to access the database during programming. In Delphi, BDE and ADO components are also provided. In the early stage of the project, the database used access and sqlserver, and ADO was used without consideration. MySQL wa

Migrating a project to Delphi prism from Delphi. net

As we know, now that the future of Delphi. NET is Delphi Prism (based on the remobjects oxygene compiler) We have to migrate our delphi. Net projects to be compatible with the prism compiler. The easiest way to get started is to look at the free oxidizer tool provided on the remobjects wiki. the tool helps with the conversion of

Learning about Delphi's first Delphi application

-finished software, they thought that my idea was very good, so they had to finish the software. I tried to use Delphi for the tedious study of wxpython. I am also a newbie to Delphi. I found through online Data Query That Delphi is a declining nobility with poor prospects, therefore, almost all of the Chinese materials available on the Internet are left behind b

Delphi compile-time prompt missing Delphi own unit file

problem phenomenon: in compiling the project is, the hint lacks Delphi own many units.cause of the problem: this may be due to manual accidental deletion, or the third-party control installed accidentally deleted Delphi's own directory caused by (if wrong, I hope the expert pointing).Problem handling:Method One: Look for your colleague, or classmate, to see what directories are introduced in his environment, you can add a little more OK.Method Two: Co

Delphi object-oriented COM [reprinted] Delphi object-oriented Learning Article 7: COM

Delphi object-oriented Learning Article 7: COMAuthor: banhamtHttp://www.cnpack.org(Please indicate the source and keep it complete)In the previous article, we introduced interfaces. If you have never touched the COM object, you will find the interface really troublesome. You may have the idea of "It is better to define a class directly for convenience.Indeed, interfaces without com encapsulation are really troublesome. In my opinion, interfaces withou

[Delphi] how to add events and event processors to Delphi programs

Henan Institute of Financial Management Pan hanjie ---- Delphi is a powerful visual program development tool. While developing WINDOWS applications using Delphi, Delphi provides many properties and events for each visualization component ), however, in actual applications, you may encounter some special events that you need. These special events are not provided

Using Delphi to develop multi-layer applications (iii) Introduction to common multi-layer frameworks of Delphi

At present, the multi-layer application frameworks developed in Delphi are basically concentrated in the following types. Each development framework has its own advantages and disadvantages, and there is no best one. You can refer Select a framework based on your actual needs. I will share with you my experience in using several frameworks. If something is wrong, you can make a brick. 1. datasnap provided by Del

Finally understand: Delphi message result is completely sporogenous out, not the Windows message comes with (Delphi on the Windows programming system, the larger the transformation, the greater the learning harvest)

In Windows, messages use a uniform structure body (MSG) to hold information, where message indicates the specific type of messages,And Wparam,lparam is the most flexible of the two variables, for different message types, the meaning of storing data is not the same.Time indicates when the message was generated, and PT indicates the position of the mouse at the time the message was generated.There is no option for result. Then I measured the size of the MSG structure with VC2008:#include void Cxe

[Delphi Technology] Delphi Multi-Threaded database query (ADO)

);//must be called (requires uses ActiveX) -Qry:=tadoquery.create (Nil); the Try +qry.connectionstring:=connstring;//must have a connection of their own A Qry.close; the Qry.SQL.Clear; + Qry.SQL.Add (fsqlstring); - Qry.open; $ flistbox.clear; $ forI: =0 to - Do //repeat the data set 101 times in order to perform a long repetition. - begin - while notQry.eof and notTerminated Do the begin -Flistbox.additem (qry.fields[0].asstring,Nil);//If you do not call synchronize,

[Delphi] How to Use python for Delphi

Python for Delphi builds a bridge between Delphi and the powerful scripting language python, which is very convenient to use. It enables Delphi's gorgeous interface to work with Python's powerful, concise, and stable background logic processing capabilities, it makes the application module clear, the interface is beautiful, and the complex logic in the background is no longer complicated, greatly improving

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