使用访问数据库的com

科研管理系统的部分代码，全部通过vc6.0的调试，望大家指点。 -Scientific research management system, part of the code, and all passed the vc6.0 debugging, hope everyone pointing.

The Adovcsp.exe application assumes that you have a local Microsoft SQL Server installed with the pubs database. If this is not the case, change the following line in the OpenConn function:

一个最基本的数据库-a basic database

操作ACCESS数据库，编译通过 -操作ACCESS数据库，编译通过操作ACCESS数据库，编译通过

帮助文件写的不是很详细（不是作者写的:)），补充一下：在点菜和酒水时如果多于一份可以采用直接修改数量的方式进行，也可以每次加入一份。 可以单个菜打折，酒水总额打折，最后结账时还可优惠现金；如果挂账，以后付款时还可进行优惠（防止账不清，比如客户共欠款3050,可能最后给3000,其余50可计入优惠，这样以后在欠款用户中就不会再出现了）。 此外还有网络版的，后台采用SQL SERVER.-help write the document is not very detailed (not the authors write :)), add : in order food and drinks at if more than one can change the number of direct manner, can also join a time. Individual dishes can be discounted, the total discount drinks, the final closure also available cash; If the credit, after payment can also include concessions (to prevent inflation unclear, such as 3,050 customers were in arrears, Perhaps to 3000, and the remaining 50 can be included concessions, such arrears in the future users will not recur.) In addition to the online edition, background using SQL SERVER.

ADO访问数据库程序，非常适合入门学习参考.-ADO access to the database program, is ideal for entry to study for reference.

人员管理系统开发-personnel management system development

mysql 4.0.16 for windows完整源代码 MySQL 4.0.16完整源代码，可使用VC编译。-windows integrity for MySQL 4.0.16 source code integrity of the source code, use VC compiler.

从vc连接到oracle数据库。包括连接，-from vc connected to the oracle database. Including connectivity,

Excel表格是输入输出经常需要涉及到的。操作Excel表格的方式也多种多样。比如，通过调用Excel程序的COM组件对Excel进行操作。但是，这种方式限制较多，且实现难度比较大。但是，用于访问数据库的组件ADO，是支持多种数据源的，其中就包括Excel文件。我们可以通过ADO组件对Excel文件进行读写访问。当然，在.NET平台上对应ADO数据访问组件的是ADO.NET组件。我编写的这个类就是通过ADO.NET实现了Excel文件的读写。由于时间仓促，功能还不是很完善，会在以后有时间的时候进行版本升级。也请各位高手多多批评指正。 -Excel spreadsheet input and output is often of the need to address. Operation Excel variety of ways. For example, by calling the Excel COM procedures for the operation of Excel. However, this approach is more limited and more difficult to achieve. However, for access to the database components ADO, is to support multiple data sources, including Excel file. We can ADO components to read and write Excel files visit. Of course,.NET platform counterparts ADO data access components of ADO.NET components. I prepared this category is achieved through ADO.NET read and write Excel files. Because time is so short, the function is still not perfect, will in future have the time for version upgrades. Members also criticized many