DevExpress之ChartControl实现时间轴实例

所属分类: 软件编程 / C#教程 阅读数: 39
收藏 0 赞 0 分享

本文实例讲述了DevExpress采用ChartControl实现时间轴的方法,分享给大家供大家参考。具体实现方法如下:

关键代码如下:

复制代码 代码如下:
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";
        }
    }
}

复制代码 代码如下:
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;
            }
        }
    }
}


运行效果如下图所示:

希望本文所述对大家的C#程序设计有所帮助

更多精彩内容其他人还在看

winform用datagridview制作课程表实例

这篇文章主要介绍了winform用datagridview制作课程表的方法,实例分析了WinForm实现课程表的结构、数据库及调用技巧,需要的朋友可以参考下
收藏 0 赞 0 分享

C#中winform控制textbox输入只能为数字的方法

这篇文章主要介绍了C#中winform控制textbox输入只能为数字的方法,包括使用keyPress事件限制键盘输入以及TextChanged事件限制粘贴等情况,来实现控制输入为数字的功能,需要的朋友可以参考下
收藏 0 赞 0 分享

C#省份城市下拉框联动简单实现方法

这篇文章主要介绍了C#省份城市下拉框联动简单实现方法,涉及字典的定义与索引的用法,是非常实用的技巧,需要的朋友可以参考下
收藏 0 赞 0 分享

C#处理MySql多个返回集的方法

这篇文章主要介绍了C#处理MySql多个返回集的方法,实现了对处理MySql多个返回集进行封装,是非常实用的技巧,需要的朋友可以参考下
收藏 0 赞 0 分享

C#无限参数的写法

这篇文章主要介绍了C#无限参数的写法,通过循环遍历再结合paras.Add方法实现无限参数的功能,是比较实用的技巧,需要的朋友可以参考下
收藏 0 赞 0 分享

C#反射应用实例

这篇文章主要介绍了C#反射应用,实例分析了通过反射实现多系统数据库的配置方法,是比较实用的技巧,需要的朋友可以参考下
收藏 0 赞 0 分享

C#窗体传值实例汇总

这篇文章主要介绍了C#窗体传值,实例形式汇总了静态变量传值、委托传值、对话框之间的传值等常见应用技巧,需要的朋友可以参考下
收藏 0 赞 0 分享

C#把数组中的某个元素取出来放到第一个位置的实现方法

这篇文章主要介绍了C#把数组中的某个元素取出来放到第一个位置的实现方法,涉及C#针对数组的常见操作技巧,非常具有实用价值,需要的朋友可以参考下
收藏 0 赞 0 分享

C#中Equality和Identity浅析

这篇文章主要介绍了C#中Equality和Identity浅析,本文先是讲解了Equality和Identity的定义,同时讲解了判断两个对象等价性的4种方法,需要的朋友可以参考下
收藏 0 赞 0 分享

在Linux上运行C#的方法

这篇文章主要介绍了在Linux上运行C#的方法,实例分析了Linux平台下Mono软件包的应用技巧,以及在此基础之上的C#运行方法,具有一定的参考借鉴价值,需要的朋友可以参考下
收藏 0 赞 0 分享
查看更多