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[DevExpress]ChartControl之时间轴示例
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using System;using System.Data;using System.Windows.Forms;using DevExpress.XtraCharts;namespace DevExpressChart{ public partial class winDateTime : Form { public winDateTime() { InitializeComponent(); } private void winDateTime_Load(object sender, EventArgs e) { BuilderDevChart(); } private DataTable CreateChartData() { DataTable table = new DataTable("Table1"); table.Columns.Add("Date", typeof(DateTime)); table.Columns.Add("Value", typeof(Int32)); table.Rows.Add(new object[] { new DateTime(2014, 5, 21), 10 }); table.Rows.Add(new object[] { new DateTime(2014, 6, 22), 20 }); table.Rows.Add(new object[] { new DateTime(2014, 7, 23), 40 }); table.Rows.Add(new object[] { new DateTime(2014, 8, 24), 20 }); table.Rows.Add(new object[] { new DateTime(2014, 9, 25), 30 }); return table; } private void BuilderDevChart() { Series _lineSeries = new Series("利润", ViewType.Line); _lineSeries.ArgumentScaleType = ScaleType.DateTime; _lineSeries.ArgumentDataMember = "Date"; _lineSeries.ValueDataMembers[0] = "Value"; _lineSeries.DataSource = CreateChartData(); chartControl1.Series.Add(_lineSeries); chartControl1.SetTimeAxisX(DateTimeMeasurementUnit.Month, DateTimeMeasurementUnit.Month, "yyyy-MM"); //--------------------------------------------------------------- //_lineSeries.ValueScaleType = ScaleType.DateTime; //_lineSeries.ArgumentDataMember = "Value"; //_lineSeries.ValueDataMembers[0] = "Date"; //_lineSeries.DataSource = CreateChartData(); //chartControl1.Series.Add(_lineSeries); //XYDiagram _diagram = (XYDiagram)chartControl1.Diagram; //_diagram.AxisY.DateTimeMeasureUnit = DateTimeMeasurementUnit.Month; //_diagram.AxisY.DateTimeGridAlignment = DateTimeMeasurementUnit.Month; //_diagram.AxisY.DateTimeOptions.Format = DateTimeFormat.Custom; //_diagram.AxisY.DateTimeOptions.FormatString = "MMMM"; } }}
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using DevExpress.Utils;using DevExpress.XtraCharts;namespace DevExpressChart{ public static class ChartUtils { /// <summary> /// 增加数据筛选 /// </summary> /// <param name="SeriesBase">Series</param> /// <param name="columnName">列名称</param> /// <param name="value">列名称对应的筛选数值</param> /// <param name="dataFilterCondition">DataFilterCondition枚举</param> public static void AddDataFilter(this SeriesBase series, string columnName, object value, DataFilterCondition dataFilterCondition) { series.DataFilters.Add(new DataFilter(columnName, value.GetType().FullName, dataFilterCondition, value)); } /// <summary> /// 设置X轴Lable角度 /// </summary> /// <param name="chart">ChartControl</param> /// <param name="angle">角度</param> public static void SetXLableAngle(this ChartControl chart, int angle) { XYDiagram _xyDiagram = (XYDiagram)chart.Diagram; if (_xyDiagram != null) _xyDiagram.AxisX.Label.Angle = angle; } /// <summary> /// 设置Y轴Lable角度 /// </summary> /// <param name="chart">ChartControl</param> /// <param name="angle">角度</param> public static void SetYLableAngle(this ChartControl chart, int angle) { XYDiagram _xyDiagram = (XYDiagram)chart.Diagram; _xyDiagram.AxisY.Label.Angle = angle; } /// <summary> /// 设置ColorEach /// </summary> /// <param name="chart">ChartControl</param> /// <param name="colorEach">是否设置成ColorEach</param> public static void SetColorEach(this Series series, bool colorEach) { SeriesViewColorEachSupportBase colorEachView = (SeriesViewColorEachSupportBase)series.View; if (colorEachView != null) { colorEachView.ColorEach = colorEach; } } /// <summary> /// 设置是否显示十字标线 /// </summary> /// <param name="chart">ChartControl</param> /// <param name="crosshair">是否显示十字标线</param> public static void SetCrosshair(this ChartControl chart, bool crosshair) { chart.CrosshairEnabled = crosshair ? DefaultBoolean.True : DefaultBoolean.False; chart.CrosshairOptions.ShowArgumentLabels = crosshair; chart.CrosshairOptions.ShowArgumentLine = crosshair; chart.CrosshairOptions.ShowValueLabels = crosshair; chart.CrosshairOptions.ShowValueLine = crosshair; } /// <summary> /// 新增ChartControl的Title文字 /// </summary> /// <param name="chart">ChartControl</param> /// <param name="title">Title文字</param> public static void AddTitle(this ChartControl chart, string title) { ChartTitle _title = new ChartTitle(); _title.Text = title; chart.Titles.Add(_title); } /// <summary> /// 饼状Series设置成百分比显示 /// </summary> /// <param name="series">Series</param> public static void SetPiePercentage(this Series series) { if (series.View is PieSeriesView) { ((PiePointOptions)series.PointOptions).PercentOptions.ValueAsPercent = true; ((PiePointOptions)series.PointOptions).ValueNumericOptions.Format = NumericFormat.Percent; ((PiePointOptions)series.PointOptions).ValueNumericOptions.Precision = 0; } } /// <summary> /// 将X轴格式化成时间轴 /// </summary> /// <param name="chart">ChartControl</param> /// <param name="dateTimeMeasureUnit">X轴刻度单位</param> /// <param name="dateTimeGridAlignment">X轴刻度间距的单位</param> public static void SetTimeAxisX(this ChartControl chart, DateTimeMeasurementUnit dateTimeMeasureUnit, DateTimeMeasurementUnit dateTimeGridAlignment) { XYDiagram _diagram = (XYDiagram)chart.Diagram; if (_diagram != null) { _diagram.AxisX.DateTimeMeasureUnit = DateTimeMeasurementUnit.Month;//X轴刻度单位 _diagram.AxisX.DateTimeGridAlignment = DateTimeMeasurementUnit.Month;//X轴刻度间距 } } /// <summary> /// 将X轴格式化成时间轴 /// </summary> /// <param name="chart">ChartControl</param> /// <param name="dateTimeMeasureUnit">X轴刻度单位</param> /// <param name="dateTimeGridAlignment">X轴刻度间距的单位</param> /// <param name="formatString">时间格式；eg:yyyy-MM</param> public static void SetTimeAxisX(this ChartControl chart, DateTimeMeasurementUnit dateTimeMeasureUnit, DateTimeMeasurementUnit dateTimeGridAlignment, string formatString) { XYDiagram _diagram = (XYDiagram)chart.Diagram; if (_diagram != null) { _diagram.AxisX.DateTimeMeasureUnit = DateTimeMeasurementUnit.Month;//X轴刻度单位 _diagram.AxisX.DateTimeGridAlignment = DateTimeMeasurementUnit.Month;//X轴刻度间距 _diagram.AxisX.DateTimeOptions.Format = DateTimeFormat.Custom; _diagram.AxisX.DateTimeOptions.FormatString = formatString; } } }}
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希望有所帮助！谢谢 
[DevExpress]ChartControl之时间轴示例
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