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[CSharp] SqlHelper100604 DL : 0: SqlHelper源码及使用实例 SqlHelper是非常方便的数据库操作函数，功能强大，使用起来非常简单，免去很多复杂的数据库操作的代码，在多层应用及面向对象开发中都有很多应用 SqlHelper源码带有详细的说明，示例中有51aspx原始的示例Sql语句主要包括以下操作：简单SQL语句(ExcuteSql) 带参数的简单SQL语句(ExcuteSQLParm) 简单存储过程 (ExcuteProc) 带参数的存储过程(ExcuteProcParm) 只返回一个字段 (ExcuteScalar) 返回数据集(ExcuteReader) 数据库中有示例数据及存储过程updateTable\updateTableByParm，大家可以自行修改测试，转载请保留51aspx作者信息，谢谢！ 1.修改ExcuteSQLParm，加入传多个参数的例子 2.对执行SQL加入了错误捕获，当执行出错时，显示SQL语句，方便调试 VS2005+SQL2005 -SqlHelper source and use cases SqlHelper is very convenient database operations functions, powerful, easy to use, remove a number of complex database operations of the code, in multi-tier application and have a lot of object-oriented application development SqlHelper source with a detailed description of the sample in the original sample Sql statement 51aspx Include the following: Simple SQL statement (ExcuteSql) Simple SQL statement with parameter (ExcuteSQLParm) Simple stored procedure (ExcuteProc) Stored procedure with parameters (ExcuteProcParm) Returns only one field (ExcuteScalar) Return data set (ExcuteReader) Database with sample data and stored procedures updateTable \ updateTableByParm, we can modify test, reproduced Keep 51aspx of information, thank you! 1. Modify ExcuteSQLParm, adding examples of pass multiple parameters 2. On the implementation of the SQL error trapping added that when implementation of the error, the display SQL stateme
Date : 2025-12-29 Size : 164kb User : 周游
[CSharp] 1 DL : 0: 程序首先定义读者以及图书上限，并同时规定了没位读者的借书上限。以防查找过于复杂，亦可防止数据溢出。在这个程序中，定义的读者与图书上限分别为100，100，借书上限为2。当然，上限的定义十分自由，可选择任意整数，对程序的运行并无影响。当程序运行时，首先应当给读者提供一个选择操作的菜单。具体到这个程序中，则提供了借书、还书、图书维护、读者维护以及离开共五个选项。每个选项对应一个数字。（当然，对应哪个选项自由设定，对程序并无影响。）当读者按下对应数字键时自动调用函数。 -First define the program book readers and ceiling, and also provides for borrowing limit did not place the reader. Find prevent overly complex, but also prevent data overflow. In this procedure, the upper limit defined by the reader and books were 100,100, borrowing limit is 2. Of course, the very definition of the upper limit of the freedom to select any integer, had no effect on the operation of the program. When the program runs, the first choice should be to provide readers with a menu of actions. Specific to this program, provides a library, books, books maintenance, maintenance, and leave the reader a total of five options. Each option corresponds to a number. (Of course, corresponds to which option is set free, with no impact on the program.) When the reader is automatically invoked by pressing the corresponding number key functions.
Date : 2025-12-29 Size : 2kb User : jessica