chart控件基本使用——C#

DataTable dt1 = new System.Data.DataTable();

//定义XY轴 x轴的内容和Y轴

dt1.Columns.Add("工艺", typeof(string));

dt1.Columns.Add("水", typeof(double ));

dt1.Columns.Add("电", typeof(double));

dt1.Columns.Add("天然气", typeof(double));

//克隆dt1的结构

DataTable dt2 = dt1.Clone();

DataTable dt3 = dt1.Clone();

//增加内容 第一个为横坐标的内容 后面两个为纵坐标 水、电、气的值

dt1.Rows.Add("配料", 0, 5.48,0);

dt2.Rows.Add("配料", 0, 5.48, 0);

dt3.Rows.Add("配料", 0, 5.48, 0);

chart1.Series.Clear();

//添加显示

Series dt1Series = new Series("水");

dt1Series.Points.DataBind(dt1.AsEnumerable(), "工艺", "水", "");

dt1Series.XValueType = ChartValueType.String;

dt1Series.ChartType = SeriesChartType.Column;

chart1.Series.Add(dt1Series);

Series dt2Series = new Series("电");

dt2Series.Points.DataBind(dt1.AsEnumerable(), "工艺", "电", "");

dt2Series.XValueType = ChartValueType.String;

dt2Series.ChartType = SeriesChartType.Column;

chart1.Series.Add(dt2Series);

Series dt3Series = new Series("天然气");

dt3Series.Points.DataBind(dt1.AsEnumerable(), "工艺", "天然气", "");

dt3Series.XValueType = ChartValueType.String;

dt3Series.ChartType = SeriesChartType.Column;

chart1.Series.Add(dt3Series);



Chart横坐标不能完全显示 ——将X轴的间隔 Interval 设为1 即可；