database (Db) should be connection for single record form:

 533| if (!isset($this->sc_temp_ShowLanguage)) {$this->sc_temp_ShowLanguage = (isset($_SESSION['ShowLanguage'])) ? $_SESSION['ShowLanguage'] : "";} 
 534|  $this->sc_temp_ShowLanguage = "en"; 
 535|   
 536|       $nm_select = " SELECT LanguageISOCode FROM Global, Languages WHERE ShowLanguage=LanguageId";  
 537|       $_SESSION['scriptcase']['sc_sql_ult_comando'] = $nm_select;  
 538|       $_SESSION['scriptcase']['sc_sql_ult_conexao'] = '';  
 539|       $this->sh = array(); 
 540|       if ($rx = $this->Db->Execute($nm_select))  
 541|       {  
 542|           $y = 0;  
 543|           $nm_count = $rx->FieldCount(); 
 544|           while (!$rx->EOF) 
 545|           {  
 546|                  for ($x = 0; $x < $nm_count; $x++) 
 547|                  {  
 548|                       $this->sh[$y] [$x] = $rx->fields[$x]; 
 549|                  } 
 550|                  $y++;  
 551|                  $rx->MoveNext(); 
 552|           }  
 553|           $rx->Close(); 
 554|       }  
 555|       elseif (isset($GLOBALS["NM_ERRO_IBASE"]) && $GLOBALS["NM_ERRO_IBASE"] != 1)   
 556|       {  
 557|           $this->sh = false; 
 558|           $this->sh_erro = $this->Db->ErrorMsg(); 
 559|       }  
 560| ;
 
 correct connection for grid:
 
 493| if (!isset($this->sc_temp_ShowLanguage)) {$this->sc_temp_ShowLanguage = (isset($_SESSION['ShowLanguage'])) ? $_SESSION['ShowLanguage'] : "";} 
 494|  $this->sc_temp_ShowLanguage = "en"; 
 495|   
 496|       $nm_select = " SELECT LanguageISOCode FROM Global, Languages WHERE ShowLanguage=LanguageId";  
 497|       $_SESSION['scriptcase']['sc_sql_ult_comando'] = $nm_select;  
 498|       $_SESSION['scriptcase']['sc_sql_ult_conexao'] = '';  
 499|       $this->sh = array(); 
 500|       if ($rx = $this->nm_db_conn_mysql3->Execute($nm_select))  
 501|       {  
 502|           $y = 0;  
 503|           $nm_count = $rx->FieldCount(); 
 504|           while (!$rx->EOF) 
 505|           {  
 506|                  for ($x = 0; $x < $nm_count; $x++) 
 507|                  {  
 508|                         $this->sh[$y] [$x] = $rx->fields[$x]; 
 509|                  } 
 510|                  $y++;  
 511|                  $rx->MoveNext(); 
 512|           }  
 513|           $rx->Close(); 
 514|       }  
 515|       elseif (isset($GLOBALS["NM_ERRO_IBASE"]) && $GLOBALS["NM_ERRO_IBASE"] != 1)   
 516|       {  
 517|           $this->sh = false; 
 518|           $this->sh_erro = $this->nm_db_conn_mysql3->ErrorMsg(); 
 519|       }  
 520| ;