我正在尝试使用ASP.Net Chart控件制作一个图表,该控件在X轴上具有特定的数值,在Y轴上具有频率计数。这是我要从图表框架中替换的示例:
在上面的示例中,X轴标签与列对齐。但是,使用ASP.Net Chart控件,而不是标记代表这些特定值的列(例如1492、2984),该控件以舍入间隔进行标记,并且不与列(例如2000、4000)对齐见下文:
我发现其他类似的帖子建议将设置ChartArea.AxisX.Interval
为1。我尝试过,但是X轴标签由于某种原因消失了,如下所示:
这是我用来创建和填充图表的代码(减去设置各种颜色属性):
DataTable newDt = GetChartDataTable();
chart.DataSource = newDt;
chart.Series.Add("Series1");
chart.Series["Series1"].YValueMembers = "Frequency";
chart.Series["Series1"].XValueMember = "RoundedValue";
chart.ChartAreas["ChartArea1"].AxisX.Title = "kbps";
chart.ChartAreas["ChartArea1"].AxisX.TitleFont = new Font("Sans Serif", 10, FontStyle.Bold);
chart.ChartAreas["ChartArea1"].AxisY.Title = "Frequency";
chart.ChartAreas["ChartArea1"].AxisY.TitleFont = new Font("Sans Serif", 10, FontStyle.Bold);
chart.Titles["Title1"].Text = chartTitle;
chart.Titles["Title1"].Font = new Font("Sans Serif", 10, FontStyle.Bold);
chart.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Column;
chart.Series["Series1"]["ShowMarkerLines"] = "True";
chart.DataBind();
您应该设置IsXValueIndex
为true
。
像这样:
chart.Series["Series1"].IsXValueIndexed = true;
例:
// Creating the series
Series series1 = new Series("Series1");
// Setting the Chart Types
series1.ChartType = SeriesChartType.Column;
// Adding some points
series1.Points.AddXY(1492, 12);
series1.Points.AddXY(2984, 0);
series1.Points.AddXY(4476, 1);
series1.Points.AddXY(5968, 2);
series1.Points.AddXY(7460, 2);
series1.Points.AddXY(8952, 12);
series1.Points.AddXY(10444, 4);
series1.Points.AddXY(11936, 3);
series1.Points.AddXY(13428, 3);
series1.Points.AddXY(14920, 5);
series1.Points.AddXY(16412, 1);
Chart1.Series.Add(series1);
Chart1.Width = 600;
Chart1.Height = 600;
// Series visual
series1.YValueMembers = "Frequency";
series1.XValueMember = "RoundedValue";
series1.BorderWidth = 1;
series1.ShadowOffset = 0;
series1.Color = Drawing.Color.Red;
series1.IsXValueIndexed = true;
// Setting the X Axis
Chart1.ChartAreas("ChartArea1").AxisX.IsMarginVisible = true;
Chart1.ChartAreas("ChartArea1").AxisX.Interval = 1;
Chart1.ChartAreas("ChartArea1").AxisX.Maximum = Double.NaN;
Chart1.ChartAreas("ChartArea1").AxisX.Title = "kbps";
Chart1.ChartAreas("ChartArea1").AxisX.TitleFont = new Font("Sans Serif", 10, FontStyle.Bold);
// Setting the Y Axis
Chart1.ChartAreas("ChartArea1").AxisY.Interval = 2;
Chart1.ChartAreas("ChartArea1").AxisY.Maximum = Double.NaN;
Chart1.ChartAreas("ChartArea1").AxisY.Title = "Frequency";
Chart1.ChartAreas("ChartArea1").AxisY.TitleFont = new Font("Sans Serif", 10, FontStyle.Bold);
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