水晶报表和C＃

Question

当我运行包含Crystal Report的C＃Windows窗体应用程序时 。 它要求我每次输入MySQL数据库的凭据 。 即使我输入了正确的用户名和密码。 这表示我的用户名或密码错误 。 我已经多次检查凭证，并且输入的密码正确。

Answer 1

请遵循此说明。

            TableLogOnInfos TableLogOnInfos = new TableLogOnInfos();
            TableLogOnInfo TableLogOnInfo = new TableLogOnInfo();
            ConnectionInfo ConnectionInfo = new ConnectionInfo();
            Tables Tables;
            ConnectionInfo.ServerName = "ServerName";
            ConnectionInfo.DatabaseName = "Database";
            ConnectionInfo.UserID = "UserId";
            ConnectionInfo.Password = "Password";
            ReportDocument report = new ReportDocument();
            string reportPath = Server.MapPath("~/CrystalReport Path");
            report.Load(reportPath);
            Tables = report.Database.Tables;
            foreach (CrystalDecisions.CrystalReports.Engine.Table table in Tables)
            {
                TableLogOnInfo = table.LogOnInfo;
                TableLogOnInfo.ConnectionInfo = ConnectionInfo;
                table.ApplyLogOnInfo(TableLogOnInfo);
            }
            CrystalReportViewer1.RefreshReport();
            CrystalReportViewer1.ReportSource = report;

同时加载报告时，将始终设置连接字符串。