void Document_LocateDataSource(object sender, GrapeCity.ActiveReports.LocateDataSourceEventArgs args)
{
if (args.DataSourceName == "DataSource1")
{
if (args.DataSetName =="DataSet1" )
{
string sqlCommetText = "select LotteryNumber, sum(money) AS MONEY from LotteryChase where CreateOn between '{0}' and '{1}' group by LotteryNumber ";
sqlCommetText = string.Format(sqlCommetText, txt_S_BuyDateTime.Text, txt_E_BuyDateTime.Text);
DotNet.Data.IDbHelper ucDbHelper = DotNet.Data.DbHelperFactory.GetHelper(BaseSystemInfo.BusinessDbType, BaseSystemInfo.BusinessDbConnection);
DataTable dt = ucDbHelper.Fill(sqlCommetText);
args.Data = dt;
}
}
}
private void load()
{
GrapeCity.ActiveReports.PageReport prt = new GrapeCity.ActiveReports.PageReport(new System.IO.FileInfo(Server.MapPath("Modules\\ActiveReportTemp\\LotteryChaseReport.rdlx")));
prt.Document.LocateDataSource += new GrapeCity.ActiveReports.LocateDataSourceEventHandler(Document_LocateDataSource);
//prt.Report.ReportParameters[0].DefaultValue.Values.Clear();
//prt.Report.ReportParameters[0].DefaultValue.Values.Add("1");
this.WebViewer1.Report = prt;
this.WebViewer1.DataBind();
}
执行 load()时，Document_LocateDataSource没有被执行，是什么原因呢？
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