| 利用Graphics对象在页面中绘制数据统计图 |
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| 引用本文： | 王伟,刘文菊.利用Graphics对象在页面中绘制数据统计图[J].阴山学刊,2008,22(4). |
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| 作者姓名： | 王伟 刘文菊 |
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| 作者单位： | 天津工业大学,计算机学院,天津,300160 |
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| 摘 要： | 研究在ASP.NET页面中,自行绘制数据统计图的方法,不使用外部控件也可实现.首先,使用ADO.NET类,由Connection对象连接数据库,其他对象如DataAdapter和Command对象通过它与数据库通信,本文以SQL Server 2000为例创建数据库.其次,在Web窗体网页上绘图时,创建位图,继而建立引用该位图的Graphics对象用于绘制柱状图、折线图、显示文本的操作.
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| 关 键 词： | 统计图表 数据库 ASP.NET环境 Graphics对象 |
Use Graphics Object to Render Data Charts in Web Page |
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| WANG Wei,LIU Wen-ju.Use Graphics Object to Render Data Charts in Web Page[J].Yin Shan Academic Journal,2008,22(4). |
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| Authors: | WANG Wei LIU Wen-ju |
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| Institution: | WANG Wei,LIU Wen-ju (Computer College,Tianjin Technology University,Tianjin 300160) |
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| Abstract: | methods of no using external control and self-drawn data charts in ASP.NET page are discussed in the paper.1:using ADO.NET class,make use of Connection object to connect the database,and make use of other objects such as DataAdapter and Command objects to communicate with database.This method is demonstrated using SQL Server 2000 database as an example in the paper.2:creating a bitmap,referencing Graphics object of this bitmap draw histogram, line chart and show text when rendering a graphics in web page. |
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| Keywords: | ADO NET |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
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