1、联合查询,采用视图办法
2、借用如下语句
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
public frmXsjfDy(string sqlpublic)
{
InitializeComponent();
DBClass db = new DBClass();
DataSet ds = db.GetDataSet(sqlpublic);
ReportDocument rpt = new ReportDocument();
if (ds.Tables.Count <= 0)
{
sqlpublic = "select * from sfglb";
ds = db.GetDataSet(sqlpublic);
}
rpt.Load("crXsjf.rpt");
rpt.SetDataSource(ds.Tables[0]);
crystalReportViewer1.ReportSource = rpt;
}
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原文地址:http://www.cnblogs.com/xrtd/p/3753827.html