private void HistoryLines_Load(object sender, EventArgs e) { timerChartBind.Interval = GlobalVariables.RefIntvel; chart1.ChartAreas["ChartArea1"].AxisX.LabelStyle.Format = "yyyy-MM-dd HH:mm:ss"; if (sExcelCells.Length > 0) { ShowLines(); this.Text = sTitle + "--历史查询"; } else { //注意区分五六号机 ZZH if (UnitNO == 5) { m_dtLineData = GlobalVariables.dtChartDataFive; } else if (UnitNO == 6) { m_dtLineData = GlobalVariables.dtChartDataSix; } dateTimePickerBegin1.Value = (DateTime)m_dtLineData.Rows[0]["ValueTime"]; dateTimePickerBegin2.Value = dateTimePickerBegin1.Value; dateTimePickerEnd1.Value = (DateTime)m_dtLineData.Rows[m_dtLineData.Rows.Count - 1]["ValueTime"]; dateTimePickerEnd2.Value = dateTimePickerEnd1.Value; if (seriesCollection == null)//单个测点曲线 { chart1.Series[0].XValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.DateTime; chart1.Series[0].XValueMember = "ValueTime"; chart1.Series[0].YValueType = System.Windows.Forms.DataVisualization.Charting.ChartValueType.Double; chart1.Series[0].YValueMembers = "F" + labelTag.TagID.ToString(); //这里也要区分五六号机 ZZH if (TagValue.GetStrSetValueFive(labelTag.TagID.ToString(), "adjustValue").Contains("F3004")) { chart1.Series[0].LegendText = labelTag.TagDesc + "(绝对)" + "(" + labelTag.TagUnit + ")"; } else { chart1.Series[0].LegendText = labelTag.TagDesc + "(" + labelTag.TagUnit + ")"; } } else//双曲线 { Series seriesNew = null; chart1.Series.Clear(); foreach (Series series in seriesCollection) { seriesNew = chart1.Series.Add(series.YValueMembers); seriesNew.LegendText = series.LegendText; seriesNew.XValueType = series.XValueType; seriesNew.XValueMember = series.XValueMember; seriesNew.YValueType = series.YValueType; seriesNew.YValueMembers = series.YValueMembers; sExcelCells += series.YValueMembers + ","; seriesNew.Color = series.Color; seriesNew.ChartType = SeriesChartType.Line; } sExcelCells = sExcelCells.Trim(','); } chart1.DataSource = m_dtLineData; chart1.DataBind(); timerChartBind.Enabled = true; this.Text = sTitle + "--实时曲线"; } }