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DateTime d1 = DateTime.Parse(d11.Value);
DateTime d2 = DateTime.Parse(d12.Value);//d11和d12是前台my97插件,这里是获取到用户输入的开始和结束时间。
string sdate = d1.ToString("yyyyMM");
string edate = d2.ToString("yyyyMM");//这里是转换起止日期的格式,例如转换成200901。
DataSet ds = db.GetDataSet("select yearmonth,sum(sale) as sumsale from saletable where yearmonth>='" + sdate + "'and yearmonth<='" + edate + "'group by yearmonth order by yearmonth", "temtable");
if (ds.Tables[0].Rows.Count>0)
{
DataView dv = new DataView(ds.Tables[0]);
dv.Sort = "yearmonth";
Chart1.Series["Series1"].Points.DataBindXY(dv, "yearmonth", dv, "sumsale");
}
else
{
return;
}
