引用chart控件
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
1 using System;
2 using System.Collections;
3 using System.Data;
4 using System.Data.SqlClient;
5 using System.Drawing;
6 using System.IO;
7 using System.Windows.Forms;
8 using CPEVBatteryDataBase.Class;//引用自己定义的类
9 using System.Windows.Forms.DataVisualization.Charting;//引用chart控件,需要引用'System.Windows.Forms.DataVisualization'动态链接库(单独安装)
10 using System.Net;
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13![](https://images.cnblogs.com/cnblogs_com/nazarite/chart控件添加02.jpg)
2 using System.Collections;
3 using System.Data;
4 using System.Data.SqlClient;
5 using System.Drawing;
6 using System.IO;
7 using System.Windows.Forms;
8 using CPEVBatteryDataBase.Class;//引用自己定义的类
9 using System.Windows.Forms.DataVisualization.Charting;//引用chart控件,需要引用'System.Windows.Forms.DataVisualization'动态链接库(单独安装)
10 using System.Net;
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![](https://images.cnblogs.com/cnblogs_com/nazarite/chart控件添加02.jpg)