【 tulaoshi.com - ASP.NET 】
                             
                             是否被水晶报表中子报表的数据绑定问题折磨过?这也是我另一文章所说的问题
http://www.cnblogs.com/haozidong/archive/2004/10/20/54489.html
你可以通过单独用代码绑定子报表来解决这个问题。
string sConnectionString = ConfigurationSettings.AppSettings["dbCommISMS"]; 
 SqlConnection sqlConn = new SqlConnection(sConnectionString);
 SqlCommand sqlComm = new SqlCommand();
 SqlDataAdapter dataAdapter = new SqlDataAdapter();
 sqlConn.Open();
 sqlComm.Connection = sqlConn;
 sqlComm.CommandType = CommandType.Text;
 dataAdapter.SelectCommand = sqlComm;
 Dataset1 dataSet = new Dataset1();
 string sSQL = "SELECT * FROM T_REQUEST WHERE APPLI_ID = '" + appli_id + "'";
 sqlComm.CommandText = sSQL;
 dataAdapter.Fill(dataSet, "T_REQUEST");
 sSQL = "SELECT * FROM T_REQUEST_INSPECTION WHERE APPLI_ID = '" + appli_id + "'";
 sqlComm.CommandText = sSQL;
 dataAdapter.Fill(dataSet, "T_REQUEST_INSPECTION");
 sSQL = "SELECT * FROM T_ACCEPT_INSPECTION WHERE APPLI_ID = '" + appli_id + "'";
 sqlComm.CommandText = sSQL;
 dataAdapter.Fill(dataSet, "T_ACCEPT_INSPECTION");
 SubreportObject oSubreport1 = oRpt.ReportFooterSection1.ReportObjects["Subreport1"] as SubreportObject;
 ReportDocument oSub1 = oSubreport1.OpenSubreport("Inspection");
 oSub1.SetDataSource(dataSet);
 SubreportObject oSubreport2 = oRpt.ReportFooterSection2.ReportObjects["Subreport2"] as SubreportObject;
 ReportDocument oSub2 = oSubreport1.OpenSubreport("Survey");
 oSub2.SetDataSource(dataSet);
 SubreportObject oSubreport3 = oRpt.ReportFooterSection2.ReportObjects["Subreport3"] as SubreportObject;
 ReportDocument oSub3 = oSubreport1.OpenSubreport("Allonge");
 oSub3.SetDataSource(dataSet);
 oRpt.SetDataSource(dataSet);
 oViewer.ReportSource = oRpt;
oRpt 有三个字报表,dataSet 有三个表。上述代码通过访问每个字报表,来实现子报表数据绑定