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分享 SqlConnection conn = new SqlConnection(".......");
SqlDataAdapter da = new SqlDataAdapter("select * from table", conn);
DataSet ds = new DataSet();
da.Fill(ds);
Chart1.Series[0].YValueMembers = "y轴字段(数值)";
Chart1.Series[0].XValueMember = "x轴字段";
Chart1.Series[0].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Line;//设置折线
Chart1.DataSource = ds;
Chart1.DataBind();