我正在使用此代码在主报告中加载主报告和子报告。主报告是空白报告,仅包含子报告。
这是我的代码:
MySqlConnection cnn;
string connectionString = null;
string sql = null;
connectionString = "Server = BC; Database = mydb1; Uid = root; Pwd = abc123;";
cnn = new MySqlConnection(connectionString);
cnn.Open();
sql = "SELECT * from mytable1 ";
MySqlDataAdapter dscmd = new MySqlDataAdapter(sql, cnn);
DataSet1 ds = new DataSet1();
dscmd.Fill(ds, "Imagetest");
cnn.Close();
ReportDocument cryRpt = new ReportDocument();
cryRpt.Load("C:/Subreport.rpt");
cryRpt.SetDataSource(ds.Tables[1]);
crystalReportViewer1.ReportSource = "C:/MainReport.rpt";
crystalReportViewer1.Refresh();
运行应用程序时,我只看到带有空白子报表的主报表。