左边两张曲线是用SWFObject生成的,最右边的测试表是我用MSChart生成的。后台代码如下:
String sql = "SELECT SUBSTRING([Date], 12, 5) d,InTemp1 FROM " + Ghdatabase + " WHERE Date BETWEEN '" + date + "00:00:00' AND '" + date + "23:60:60' order by PrimaryIndex";
DataTable dt = db.Query(sql);
Chart1.DataSource = dt; //绑定数据
Chart1.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Line;//设置图表类型
Chart1.Series[0].XValueMember = "d"; //X轴数据成员列
Chart1.Series[0].YValueMembers = "InTemp1"; //Y轴数据成员列
Chart1.ChartAreas["ChartArea1"].AxisX.Title = "时间";
Chart1.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置 远
Chart1.ChartAreas["ChartArea1"].AxisY.Title = "温度";
Chart1.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;
Chart1.ChartAreas["ChartArea1"].AxisX.Interval = 1;
Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不显示竖着的分割线
Chart1.Series[0].IsValueShownAsLabel = false;//显示坐标值
时间太多导致X轴显示不下,没有系统学过C#语法,不知道该怎么处理,希望大家提点一二。