使用DAO在库表里存贮二进制文件

微软的SQL SERVER数据库的Image、text等字段都属于二进制的大对象。这些对象的存取和其他轻型对象略有不同。 　　微软.NET Framework的System.IO命名空间下给我们提供了一个FileStream文件流类。我们可以使用这个文件流对二进制大对象轻松进行读写。 　　我实现了一个简单的WinForm程序，这个程序通过点击“Open”按钮选择一个bmp或者jpg文件，并显示在图形控件PictureBox中。通过“Save”按钮存入数据库。点击“View”CheckBox可以切换到浏览状态，观看存入数据库的图片。 　　由于对二进制大对象使用的流操作，所以对于任何文件都具有通用性。读写文本文件也可以这么做。 -Microsoft s field and so on SQL SERVER database Image, text all belongs to binary the big object. These objects deposits and withdrawals and other light objects have the difference slightly. MicrosoftNET Framework System.Under the IO naming space provided a FileStream document to us to flow the kind. We may use this document to flow to the binary big object with ease carry on read-write. I have realized a simple WinForm procedure, this procedure through clicks on "Open" the button to choose bmp or the jpg document, and the demonstration controls in PictureBox in the graph. The button stores the database through "Save". Clicks on "View" CheckBox to b

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Excel链接示例程序-sample program Excel link

一个自动枚举网上sql服务，动态设置数据源的例子-an automatic online sql service enumeration, dynamic data sources set the example

用SQL实现数据库查询功能，运行环境：Orcale.-SQL database query function, the environment : Oracle.

用vc实现个人通讯录，数据库为TELBOOK.MDB-with vc achieve personal correspondence, database TELBOOK.MDB

毕业设计的人事工资管理系统。使用数据库为Access 2000，Delphi 7，包括工资短信、人事工资管理等等。-Graduate design management systems and personnel wages. The use of a database for Access 2000, Delphi 7, message including wages, salaries and personnel management and so on.

Powerbuilder8.0实用程序设计100例之1-10-Powerbuilder8.0 Utility Design 100 Cases of 1-10

ADO的封装，支持批处理和应用程序异步数据操作-ADO package, and support for batch applications Asynchronous Data Manipulation

程序中对数据源操作使用SQL语句嵌入VC过程,可以用在很多数据库种类的基本操作中。-procedures for the operation of data sources embedded SQL statements VC process. can be used in many types of basic database operations.