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DevExpress之ChartControl的SeriesTemplate实例

宓英哲
2023-03-14
本文向大家介绍DevExpress之ChartControl的SeriesTemplate实例,包括了DevExpress之ChartControl的SeriesTemplate实例的使用技巧和注意事项,需要的朋友参考一下

本文实例讲述了DevExpress之ChartControl的SeriesTemplate用法,分享给大家供大家参考。具体方法如下:

关键代码如下:

using System;

using System.Data;

using System.Windows.Forms;

using CSharpUtilHelpV2;

using DevExpress.XtraCharts;

namespace DevExpressChart {     public partial class winGsp : Form     {         public winGsp()         {             InitializeComponent();         }         static readonly string AccessFullPath = string.Format(@"{0}\gsp.mdb", AppDomain.CurrentDomain.BaseDirectory);         static DataTable GspList = null;         AccessUtilsV2 AccessHelper = null;         private void winGsp_Load(object sender, EventArgs e)         {

            AccessHelper = new AccessUtilsV2(AccessFullPath);             GspList = AccessHelper.ExecuteDataTable("select * from Gsp", null);             BuilderDevChart();         }         private void BuilderDevChart()         {             if (GspList != null)             {                 chartControl1.SeriesDataMember = "Year";                 chartControl1.SeriesTemplate.ArgumentDataMember = "Region";                 chartControl1.SeriesTemplate.ValueDataMembers.AddRange(new string[] { "GSP" });                 chartControl1.SeriesNameTemplate.BeginText = "GSP in ";                 chartControl1.DataSource = GspList;

                chartControl1.SetXLableAngle(-35);                 chartControl1.SetCrosshair(true);

                chartControl1.Legend.Direction = LegendDirection.LeftToRight;                 chartControl1.Legend.AlignmentHorizontal = LegendAlignmentHorizontal.Center;                 chartControl1.Legend.AlignmentVertical = LegendAlignmentVertical.BottomOutside;

                chartControl1.AddTitle("GSP List");             }         }     } }

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;             }         }     } }


运行效果:

希望本文所述对大家的C#程序设计有所帮助。

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