【发布时间】:2015-12-16 13:39:09
【问题描述】:
嘿,我对图表系列有疑问
这是在form.designer中:
System.Windows.Forms.DataVisualization.Charting.ChartArea chartArea1 = new System.Windows.Forms.DataVisualization.Charting.ChartArea();
System.Windows.Forms.DataVisualization.Charting.Legend legend1 = new System.Windows.Forms.DataVisualization.Charting.Legend();
System.Windows.Forms.DataVisualization.Charting.Series series1 = new System.Windows.Forms.DataVisualization.Charting.Series();
this.chart1 = new System.Windows.Forms.DataVisualization.Charting.Chart();
chartArea1.Name = "ChartArea1";
this.chart1.ChartAreas.Add(chartArea1);
legend1.Name = "Legend1";
this.chart1.Legends.Add(legend1);
this.chart1.Location = new System.Drawing.Point(7, 17);
this.chart1.Name = "chart1";
series1.ChartArea = "ChartArea1";
series1.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
series1.Color = System.Drawing.Color.FromArgb(((int)(((byte)(128)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))));
series1.IsXValueIndexed = true;
series1.Legend = "Legend1";
series1.MarkerColor = System.Drawing.Color.Red;
series1.MarkerSize = 6;
series1.MarkerStyle = System.Windows.Forms.DataVisualization.Charting.MarkerStyle.Diamond;
series1.Name = "SeriesBatchPoint";
this.chart1.Series.Add(series1);
this.chart1.Size = new System.Drawing.Size(1141, 323);
this.chart1.TabIndex = 3;
this.chart1.Text = "chart1";
在表格中我会提出一个观点
chart1.Series["SeriesBatchPoint"].Points.AddXY(BatchCount, aTempWeightMesure);
我收到此错误:
ArgumentException 未处理
附加信息:在“ChartAreaCollection”中找不到名为“SeriesBatchPoint”的图表元素。
我做错了什么?
【问题讨论】:
-
你有没有试过通过系列上的索引访问?
-
您确定事情发生的顺序吗? 在设置
Name之后,您就可以使用该名称访问该系列了。请务必使用调试器查看当前系列集合!我还强烈建议包含using System.Windows.Forms.DataVisualization.Charting;命名空间以使引用更容易。 -
在添加点之前,您是否随时清除系列(而不是清除点)?