在vb.net中使用单表创建多折线图可以通过以下步骤实现:
完整的示例代码如下所示:
Imports System.Windows.Forms.DataVisualization.Charting
Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Dim chart As New Chart()
chart.Size = New Size(500, 300)
chart.ChartAreas.Add("ChartArea1")
chart.Legends.Add("Legend1")
Dim series1 As New Series()
series1.Name = "Series1"
series1.ChartType = SeriesChartType.Line
series1.BorderWidth = 2
series1.Color = Color.Blue
series1.Points.AddXY(1, 10)
series1.Points.AddXY(2, 20)
series1.Points.AddXY(3, 30)
Dim series2 As New Series()
series2.Name = "Series2"
series2.ChartType = SeriesChartType.Line
series2.BorderWidth = 2
series2.Color = Color.Red
series2.Points.AddXY(1, 5)
series2.Points.AddXY(2, 15)
series2.Points.AddXY(3, 25)
chart.Series.Add(series1)
chart.Series.Add(series2)
Me.Controls.Add(chart)
End Sub
End Class
这样就可以在vb.net中使用单表创建多折线图了。你可以根据需要添加更多的Series对象,并在每个Series对象中添加相应的数据点。
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