近来工作中用到C#，还用到了FastReport.Net，过程中出现一个错误，
以下是C#代码片段，
try { //生成wf表 String sqlString = "select * from TEMP_WEIF where sfzmhm=:sfzmhm"; DataTable dt = OracleHelper.ExecuteDataTable(sqlString, new OracleParameter(":sfzmhm", this.flow.sfzmhm)); DataTable table = new DataTable(); table.TableName = "Table1"; DataColumn dc; dc = new DataColumn("nf", System.Type.GetType("System.String")); table.Columns.Add(dc); dc = new DataColumn("0f", System.Type.GetType("System.String")); table.Columns.Add(dc); dc = new DataColumn("1f", System.Type.GetType("System.String")); table.Columns.Add(dc); dc = new DataColumn("2f", System.Type.GetType("System.String")); table.Columns.Add(dc); dc = new DataColumn("3f", System.Type.GetType("System.String")); table.Columns.Add(dc); dc = new DataColumn("6f", System.Type.GetType("System.String")); table.Columns.Add(dc); dc = new DataColumn("12f", System.Type.GetType("System.String")); table.Columns.Add(dc); dc = new DataColumn("xj", System.Type.GetType("System.String")); table.Columns.Add(dc); if (dt.Rows.Count > 0) { for (int i = 0; i < dt.Rows.Count; i++) { DataRow dr; dr = table.NewRow(); dr["nf"] = dt.Rows[i]["WFSJ"].ToString(); dr["0f"] = dt.Rows[i]["LINGFEN"].ToString(); dr["1f"] = dt.Rows[i]["YIFEN"].ToString(); dr["2f"] = dt.Rows[i]["ERFEN"].ToString(); dr["3f"] = dt.Rows[i]["SANFEN"].ToString(); dr["6f"] = dt.Rows[i]["LIUFEN"].ToString(); dr["12f"] = dt.Rows[i]["SHIERFEN"].ToString(); dr["xj"] = dt.Rows[i]["XIAOJI"].ToString(); wfjq = wfjq + int.Parse(dt.Rows[i]["XIAOJI"].ToString()); table.Rows.Add(dr); } } DataSet ds = new DataSet(); ds.Tables.Add(table); freport.RegisterData(ds, "Table1"); freport.SetParameterValue("wfjq", wfjq); freport.SetParameterValue("sgjq", wfjq); freport.SetParameterValue("mfjc", wfjq); } catch (Exception ex) { WsgzmExceptionWindow excep = new WsgzmExceptionWindow(); excep.exmsg.Text = "数据库连接异常3，停止服务！"; excep.Show(); this.Close(); return; } try { //生成mf表 String sqlString = "select * from DRV_POINT where sfzmhm=:sfzmhm"; DataTable dt3 = OracleHelper.ExecuteDataTable(sqlString, new OracleParameter(":sfzmhm", this.flow.sfzmhm)); DataTable table3 = new DataTable(); table3.TableName = "Table3"; DataColumn dc3; dc3 = new DataColumn("qfrq", System.Type.GetType("System.String")); table3.Columns.Add(dc3); dc3 = new DataColumn("jfnd", System.Type.GetType("System.String")); table3.Columns.Add(dc3); dc3 = new DataColumn("qffz", System.Type.GetType("System.String")); table3.Columns.Add(dc3); dc3 = new DataColumn("wqffz", System.Type.GetType("System.String")); table3.Columns.Add(dc3); if (dt3.Rows.Count > 0) { for (int i = 0; i < dt3.Rows.Count; i++) { DataRow dr3; dr3 = table3.NewRow(); dr3["qfrq"] = dt3.Rows[i]["QFRQ"].ToString(); dr3["jfnd"] = dt3.Rows[i]["JFND"].ToString(); dr3["qffz"] = dt3.Rows[i]["QFFZ"].ToString(); dr3["wqffz"] = dt3.Rows[i]["WQFFZ"].ToString(); mfjc = mfjc + 1; table3.Rows.Add(dr3); } } DataSet ds3 = new DataSet(); ds3.Tables.Add(table3); freport.RegisterData(ds3, "Table3"); freport.SetParameterValue("mfjc", mfjc); } catch (Exception ex) { WsgzmExceptionWindow excep = new WsgzmExceptionWindow(); excep.exmsg.Text = "数据库连接异常5，停止服务！"; excep.Show(); this.Close(); return; } freport.Show();以下是fastreport中代码段，
private void Table1_ManualBuild(object sender, EventArgs e) { // 获取DataSet中表名为Table1的数据源 DataSourceBase data1 = Report.GetDataSource("Table1"); data1.ForceLoadData=true; data1.Init(); // 初始化 jtwfqk.PrintRow(0); // 控件Table1打印第0行 jtwfqk.PrintColumns(); // 每打印一行，都要调用 PrintColumn或PrintColumns while(data1.HasMoreRows) // 打印重复循环的行 { jtwfqk.PrintRow(1); jtwfqk.PrintColumns(); data1.Next(); // 读取下一行 } } private void Table3_ManualBuild(object sender, EventArgs e) { DataSourceBase data1 = Report.GetDataSource("Table3"); // 获取DataSet中表名为Table3的数据源 data1.ForceLoadData=true; data1.Init(); // 初始化 mfjlqk.PrintRow(0); // 控件Table1打印第0行 mfjlqk.PrintColumns(); // 每打印一行，都要调用 PrintColumn或PrintColumns while(data1.HasMoreRows) // 打印重复循环的行 { mfjlqk.PrintRow(1); mfjlqk.PrintColumns(); data1.Next(); // 读取下一行 } }
如果我控件中第二个表的ManualBuild中不调用Table3_ManualBuild就不会报错，望大神指点！
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经同事指点，在FastReport控件里，表分开写，放到Child里，就不会报错（奇怪的是我自己想到过这种方法，但是放到Child不显示数据，同事告诉我以后就出数据了，这就是命啊！！）
