交叉表数据:
显示结果:
Y轴:良率
X轴:日期(动态)
显示项目:检验项目
private void PassRateBind(Chart ct,string strSql) { DataTable dt = SqlHelper.ExecuteDataset(SqlHelper.conn, CommandType.Text, strSql).Tables[0]; ct.DataBindCrossTable(dt.DefaultView, "检验项目", "日期", "良率", "Tooltip =良率"); ct.Width = 1000; ct.Height = 400; for (int i = 0; i < ct.Series.Count; i++) { ct.Series[i].ChartType = SeriesChartType.Line; } ct.ChartAreas["ChartArea1"].ShadowColor = Color.Transparent; ct.ChartAreas["ChartArea1"].BackColor = Color.FromArgb(209, 237, 254); //该处设置为了由天蓝到白色的逐渐变化 ct.ChartAreas["ChartArea1"].BackGradientStyle = GradientStyle.TopBottom; ct.ChartAreas["ChartArea1"].BackSecondaryColor = Color.White; //中间X,Y线条的颜色设置 ct.ChartAreas["ChartArea1"].AxisX.MajorGrid.LineColor = Color.FromArgb(64, 64, 64, 64); ct.ChartAreas["ChartArea1"].AxisY.MajorGrid.LineColor = Color.FromArgb(64, 64, 64, 64); //X.Y轴数据显示间隔 ct.ChartAreas["ChartArea1"].AxisX.Interval = 1.0; //X轴数据显示间隔 ct.ChartAreas["ChartArea1"].AxisX.IntervalType = DateTimeIntervalType.Days; ct.ChartAreas["ChartArea1"].AxisX.IntervalOffset = 0.0; ct.ChartAreas["ChartArea1"].AxisX.IntervalOffsetType = DateTimeIntervalType.Days; ct.ChartAreas["ChartArea1"].AxisX.LabelStyle.Format = "M-d"; ct.Palette = ChartColorPalette.Pastel; ct.DataBind(); ct.ChartAreas["ChartArea1"].AxisX.Title = "日期"; ct.ChartAreas["ChartArea1"].AxisY.Title = "良率"; }
效果: