private void DataLoad() { DataTable dt1 = GroupInfo.GetGroupCurrentGrainByCargoName(); DataTable dt2 = GroupInfo.GetGroupCurrentGrainByStorage(); Series series1 = chart1.Series[0]; //数据集声明 series1.ToolTip = "#LEGENDTEXT: #VAL{C} million"; series1.Points.DataBind(dt1.Rows, "MaterialName", "weight", "LegendText=MaterialName,YValues=weight,ToolTip=MaterialName"); Series series2 = chart2.Series[0]; //数据集声明 series2.ToolTip = "#LEGENDTEXT: #VAL{C} million"; series2.Points.DataBind(dt2.Rows, "WHName", "weight", "LegendText=WHName,YValues=weight,ToolTip=WHName"); }