TableLogOnInfo for Crystal Report not working in subreport

Following code working perfectly and showing perfect result of crystal report but when i click on sub report it ask me for crystal report login authentication:

     TableLogOnInfo logonInfo = new TableLogOnInfo();

                // Set the logon information for each table.

                foreach (Table table in report.Database.Tables)

                {

                    // Get the TableLogOnInfo object.

                    logonInfo = table.LogOnInfo;

                    // Set the server or ODBC data source name, database name,

                    // user ID, and password.

                    logonInfo.ConnectionInfo.ServerName = reportServerName;

                    logonInfo.ConnectionInfo.DatabaseName = reportDb;

                    logonInfo.ConnectionInfo.UserID = reportUserId;

                    logonInfo.ConnectionInfo.Password = reportPassword;

                    logonInfo.ConnectionInfo.IntegratedSecurity = reportIntegratedSecurity;

                    // Apply the connection information to the table.

                    table.ApplyLogOnInfo(logonInfo);

                }

above code only binding Connection Info to main report how can i bind Connection Info of subReport? I tried this code but it does not work:

    TableLogOnInfo logonInfo2 = new TableLogOnInfo();

                foreach (Table table in report.Subreports[0].Database.Tables)

                {

                    // Get the TableLogOnInfo object.

                    logonInfo2 = table.LogOnInfo;

                    // Set the server or ODBC data source name, database name,

                    // user ID, and password.

                    logonInfo2.ConnectionInfo.ServerName = reportServerName;

                    logonInfo2.ConnectionInfo.DatabaseName = reportDb;

                    logonInfo2.ConnectionInfo.UserID = reportUserId;

                    logonInfo2.ConnectionInfo.Password = reportPassword;

                    logonInfo2.ConnectionInfo.IntegratedSecurity = reportIntegratedSecurity;

                    // Apply the connection information to the table.

                    table.ApplyLogOnInfo(logonInfo2);

                }