C# winform 给 chart 添加数据

private List<double>listX

private List<double>listY

// 数据源至界面

chart1.Series[0].Points.DataBindXY(listX, listY)

chart1.Series[0].Points.DataBindY(listY)

 //这是仿你的DataTable

            //-----开始---------

            DataTable dataTable1 = new System.Data.DataTable()

            dataTable1.Columns.Add("网别", typeof(string))

            dataTable1.Columns.Add("日期", typeof(DateTime))

            dataTable1.Columns.Add("日发展", typeof(double))

            DataTable dataTable2 = dataTable1.Clone()

            DataTable dataTable3 = dataTable1.Clone()

            dataTable1.Rows.Add("网别1", new DateTime(2014, 1, 1), 12.0)

            dataTable1.Rows.Add("网别11", new DateTime(2014, 2, 1), 14.0)

            dataTable2.Rows.Add("网别2", new DateTime(2014, 1, 1), 5.0)

            dataTable2.Rows.Add("网别2", new DateTime(2014, 2, 1), 10.0)

            dataTable3.Rows.Add("网别3", new DateTime(2014, 1, 1), 7.0)

            dataTable3.Rows.Add("网别31", new DateTime(2014, 2, 1), 18.0)

            //---------结束-------------

            chart1.Series.Clear()//清空表中的数据

            //第一个表中的数据

            Series dataTable1Series = new Series("dataTable1")

            dataTable1Series.Points.DataBind(dataTable1.AsEnumerable(), "日期", "日发展", "")

            dataTable1Series.XValueType = ChartValueType.DateTime //设置X轴类型为时间

            dataTable1Series.ChartType = SeriesChartType.Line  //设置Y轴为折线

            chart1.Series.Add(dataTable1Series)

            //第二个表中的数据

            Series dataTable2Series = new Series("dataTable2")

            dataTable2Series.Points.DataBind(dataTable2.AsEnumerable(), "日期", "日发展", "")

            dataTable2Series.XValueType = ChartValueType.DateTime//设置X轴类型为时间

            dataTable2Series.ChartType = SeriesChartType.Line  //设置Y轴为折线

            chart1.Series.Add(dataTable2Series)

            //第三个表中的数据

            Series dataTable3Series = new Series("dataTable3")

            dataTable3Series.Points.DataBind(dataTable3.AsEnumerable(), "日期", "日发展", "")

            dataTable3Series.XValueType = ChartValueType.DateTime//设置X轴类型为时间

            dataTable3Series.ChartType = SeriesChartType.Line  //设置Y轴为折线

            chart1.Series.Add(dataTable3Series)

　using System.Web.UI.DataVisualization.Charting

private void NewChart()

{

Chart Chart1=new Chart1

//设置位置

Chart .Location = new System.Drawing.Point(83, 120)

DataTable dt = CreateDataTable()

//设置图表的数据源

Chart1.DataSource = dt

//设置图表Y轴对应项

Chart1.Series[0].YValueMembers = "Time"

//设置图表X轴对应项

Chart1.Series[0].XValueMember = "Date"

//绑定数据

Chart1.DataBind()

}

//创建表

private DataTable CreateDataTable()

{

DataTable dt = new DataTable()

//添加列

dt.Columns.Add("Date")

dt.Columns.Add("Time")

DataRow dr

//添加行dr = dt.NewRow()

dr["Date"] = "2010-1-1"

dr["Time"] = "10:12"

dt.Rows.Add(dr)

dr = dt.NewRow()

dr["Date"] = "2010-1-2"

dr["Time"] = "10:11"

dt.Rows.Add(dr)

return dt

}

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