Managed C++/CLI

error C3160: 'System::Boolean ^%': a data member of a managed class cannot have this type
note: an interior reference can never be allocated on the gc heap

ref class Foo { bool m_guard; . . . }

ref class PushBool sealed {
  bool ^% m_tref;
public:
   PushBool(bool ^% b, bool newVal) : m_tref(b), m_oldval(b) { b = newVal; }
   ~PushBool() { m_tref = m_oldval; }
};

void Foo::work() {
   if (m_guard) return;
   PushBool no_reentry(m_guard, true);
   ...
   // Resets m_flag to original value here.
}

Hello guys

I've have a c++ source code for a litle phoonbook.
It has the insert option, View and delete but i've can't edit a record!
Here is source code please add a edit part for this code as possible.
Also it does not going back to main menu after adding a record.

thanks

<pre>//initializing the header files
#include<stdio.h>
#include<ctype.h>
#include<string.h>
#include<stdlib.h>

//defining the properties of the fields used in the program
#define NAMES 50
#define EMAIL 20
#define PHONE 20
#define ADDRESS 8
#define MOBILE 10
#define SIZE 500
//declaring the functions
void welcome_note();
void record();
void view();
void search();
void del_rec();
char info[SIZE];
//using stuctures that represent the fields in the program
struct addressbk
{
	char name [NAMES] ;
	char sname [NAMES] ;
	char emailadd [EMAIL] ;
	char address [ADDRESS];
	char mobile [MOBILE];
	char phone [PHONE];
	char codemelli [PHONE];

} addressbk;

//initializing the files used in the program
FILE *Records;
FILE *rectemp;
//initializing of the main function
/****************************************************************************************************/
void main()
{
	

	int choice=0;
		//using the system() statement to clear the screen
		system("cls");
		//using the sysytem (color) to create a user interface
		system("color 17");
		fflush(stdin);
		//initializing the welcome note
		welcome_note();
		printf("\nEnter your Choice here \t");
		scanf("%i",&choice);
		fflush(stdin);
		//!!using the switch statement to give an option to initialize the functions

	switch (choice)
	{

			case 1:
				{
					system("cls");
					view();
				break;
				}

			case 2:
				{
					system("cls");
					record();
				break;
				}

			case 3:
				{	system("cls");
					search();
				break;
				}

			case 4:
				{	system("cls");
					del_rec();
				break;
				}




		case 5:
			{
				system("cls");

			break;
			}
		default:
			{

				printf("Please Only Choose Between NO. 1-5\n"); system("pause");
				system("cls");
				main();
			}

	}


}
/******************************************************************************************************/
//initializing the record function
void record()
{
		char choice2;
  
       do
	{		//opening the Records file
			Records = fopen("Records.txt","a+");


	 		
			printf("Enter Name\n");
			fflush(stdin);
			scanf("%s",addressbk.name);
			

			printf("Enter Second Name\n");
			fflush(stdin);
			scanf("%s",addressbk.sname);
			

			printf("Enter E-mail address\n");
			fflush(stdin);
			scanf("%s",addressbk.emailadd);
			
			printf("Enter address\n");
			fflush(stdin);
			scanf("%s",addressbk.address);
			

			printf("Enter mobile\n");
			fflush(stdin);
			scanf("%s",addressbk.mobile);
			
			

			printf("Enter Code Melli no\n");
			fflush(stdin);
			scanf("%s",addressbk.codemelli);
			

			printf("Enter Phone Number no\n");
			fflush(stdin);
			scanf("%s",addressbk.phone);
			
			//printing all the entries to the main file (Records.txt)
			fprintf(Records,"%s %s %s %s %s %s %s \n",addressbk.name,addressbk.sname,addressbk.emailadd,addressbk.address,addressbk.mobile,addressbk.codemelli,addressbk.phone);

			fflush(stdin);
			//closure of the records file.
			fclose(Records);
		
		
			
		//initializing the choice character to give on optin to continue
			printf("WOULD LIKE TO CONTINUE? Y/N \n");
			scanf("%c",&choice2);
			fflush(stdin);


		if (choice2=='n'||choice2=='N')
		{
			system("cls");
			main();

		}
	}while(choice2=='y'||choice2=='Y');





}
/****************************************************************************************************************/
//the view function
void view()
{
char choice3;
//opening the Records file
		Records = fopen("Records.txt","a+");
		do
		{
			fgets(info,SIZE,Records);
			printf("%s\n",info);

		}while(!feof(Records));
			fclose(Records);
			system("pause");
			printf("Search for records??(Y/N)\n");
			scanf("%c",&choice3);
			fflush(stdin);
			if (toupper(choice3)=='Y')
			{
			search();
		}
		else if(toupper(choice3)=='N')
		{
			fclose(Records);
			system("pause");
			system("cls");
			main();
		}

		else
		{
			fclose(Records);
			system("cls");
		}
}
/********************************************************************************************/
//the main menu/welcome function
void welcome_note()
{

	//this statement displays the system time and date
		printf("\t\t              Phone BOOK V:1 \n\n\n");
		printf("\t\t           ProGrammeR: Fatemeh \n\n\n");
		printf("\t\t ----------------------------------------\n");
		printf("\t\t -	CHOOSE ONE BETWEEN (1-5)	-\n");
		printf("\t\t ----------------------------------------\n");

		printf("\t\t -	1	: VIEW RECORDS		-\n\n");

		printf("\t\t -	2	: MAKE NEW ENTRIES	-\n\n");

		printf("\t\t -	3	: SEARCH RECORDS  	-\n\n");

		printf("\t\t -	4	: DELETE RECORDS	-\n\n");

		printf("\t\t -	5	: EXIT			-\n\n");

		printf("\t\t ----------------------------------------\n");


}
/***********************************************************************************************/
//the search funtion
void search()
{

	//declaring the target variable Target
    char Target[SIZE];
	//
	int Found=0;
	if((Records=fopen("Records.txt","r"))==NULL)

		printf("Recordi Peyda Nashod!!!\n\n");
	else
	{
		system("cls");
		printf("\n\n");
		printf("\t----------------- SEARCH --------------");
		printf("\n\n");
		printf("\tEnter Code Melli to search:");
		fflush(stdin);
		scanf("%s",Target);
		while(!feof(Records)&& Found==0)
		{
			fscanf(Records,"%s %s %s %s %s %s %s",addressbk.name,addressbk.sname,addressbk.emailadd,addressbk.address,addressbk.mobile,addressbk.codemelli,addressbk.phone);
			if(strcmp(Target,addressbk.codemelli)==0)
			Found=1;
		}
		if(Found)
		{
			printf(".......Record Peyda Shod\n");
			system("pause");
			system("cls");
			printf("1 FILE FOUND : \n\n\n");
			printf("First Name: %s\n",addressbk.name);
			printf("Last Name: %s\n",addressbk.sname);
			printf("E-mail: %s\n",addressbk.emailadd);
			printf("Address : %s\n",addressbk.address);
			printf("mobile: %s\n",addressbk.mobile);
			printf("Code Melli: %s\n",addressbk.codemelli);
			printf("Phone Number: %s\n",addressbk.phone);
			system("pause");
		main();
		}
		else if(!Found)
		{
			printf("Motasfim Recordi Peyda Nashod\n");
			system("pause");
			main();
		}
		fclose(Records);
}
}
/***************************************************************************************************/
	void del_rec()
{
    char Target[SIZE];
	int Found=0;
		system("cls");
	rectemp=fopen("rectemp.txt","w");
	if((Records=fopen("Records.txt","r"))==NULL)
		printf("RECORDI YAFT NASHOD!!!\n\n");

	else{
		printf("\n\n");
		printf("\t--------------- DELETE ----------------");
		printf("\n\n");
		printf("\tEnter Code Melli to Delete: ");
		fflush(stdin);
		gets(Target);
		while(!feof(Records))
			{
			fscanf(Records,"%s %s %s %s %s %s %s ",addressbk.name,addressbk.sname,addressbk.emailadd,addressbk.address,addressbk.mobile,addressbk.codemelli,addressbk.phone);
			if(feof(Records))
				break;
			if(strcmp(Target,addressbk.codemelli)!=0)
				fprintf(rectemp,"%s %s %s %s %s %s %s \n",addressbk.name,addressbk.sname,addressbk.emailadd,addressbk.address,addressbk.mobile,addressbk.codemelli,addressbk.phone);
			else {
				Found=1;
				printf(".......Record Peyda Shod \n");
				system("pause");
				printf("First Name:%s\n",addressbk.name);
				printf("Last Name:%s\n",addressbk.sname);
				printf("E-mail:%s\n",addressbk.emailadd);
				printf("Address : %s\n",addressbk.address);
				printf("mobile: %s\n",addressbk.mobile);
				printf("Code Melli: %s\n",addressbk.codemelli);
				printf("Phone Number: %s\n",addressbk.phone);
				fflush(stdin);
				system("pause");
				}
			}
			if (!Found)
			{
			printf("\tRECORD NOT FOUND\n");//incase no files are located
			}
		printf("\tRECORD DELETED!!\n");

		fclose(Records);
		fclose(rectemp);
		remove("Records.txt");
		rename("rectemp.txt","Records.txt");
	main();	}

	}

#include <iostream>
#include <fstream>
#include <locale.h>
using namespace std;

setlocale (LC_ALL, "Portuguese");

ofstream ficheiro ("Info Trabalhador");

int x, i,a,b,d;
	
int esc[4] = {100, 150, 200, 250}; 

struct trab
{
	char nome[100];
	char morada[200];
	int numero;
	int telefone;
};

trab f;

int salario(int n1,int  n2){
	int money;
	money = n1*n2;
	return money;
}

void menu1 (){
	cout<<" * * * * * * * * * * * * * * * * * * * *"<<endl;
	cout<<" * 1. - Identificação                  *"<<endl;
	cout<<" * 2. - Escalão Do Trabalhor           *"<<endl;
	cout<<" * 3. - Número De Horas Trabalhadas    *"<<endl;
	cout<<" * 4. - Salvar Ficheiro                *"<<endl;
	cout<<" * 5. - Sair                           *"<<endl;
	cout<<" * * * * * * * * * * * * * * * * * * * *"<<endl;
}

	

int main (){
	
	menu:
	menu1();
	cout<<endl;
	cout<<"R: ";
	cin>>x;
	cout<<endl;
	
switch (x)
{
	case 1:
	        cout<<"Qual o seu nome?"<<endl<<endl;
		cout<<"R: ";
		cin>>f.nome;
		cout<<endl;
		cout<<"Qual a sua morada?"<<endl<<endl;
		cout<<"R: ";
		cin>>f.morada;
		cout<<endl;
		cout<<"Qual o seu número?"<<endl<<endl;
		cout<<"R: ";
		cin>>f.numero;
		cout<<endl;
		cout<<"Qual o seu telemóvel?"<<endl<<endl;
		cout<<"R: ";
		cin>>f.telefone;
		cout<<endl;
		system("pause");
		system("cls");
		goto menu;
		break;

	
	case 2:
		for (i=0; i<=4; i++)
{
			cout<<i+1 <<". "<<esc[i]<<" euros/horas"<<endl;
			cout<<endl;
}
			cout<<"R: ";
			cin>>a;
			cout<<endl;
			system ("Pause");
			system ("cls");
			goto menu;
		
	case 3:
			cout<<"Quantas horas trabalhou?"<<endl;
			cout<<"R: ";
			cin>>b;
		if (a == 1)
{
			d=100;
			cout<<"Deve Receber: "<<salario(d,b)<<endl<<endl;
			system ("Pause");
			system ("cls");
			goto menu;
}

		 else if (a == 2)
{
			d=150;
			cout<<"Deve Receber: "<<salario(d,b)<<endl<<endl;
			system ("Pause");
			system ("cls");
			goto menu;
}

		else if (a==3)
{			
			d=200;
			cout<<"Deve Receber: "<<salario(d,b)<<endl<<endl;
			system ("Pause");
			system ("cls");
			goto menu;
}
		else
			
			d=250;
			cout<<"Deve Receber: "<<salario(d,b)<<endl<<endl;
			system ("Pause");
			system ("cls");
			goto menu;
			break;
    
	case 4:
		if(ficheiro.is_open())
{
			ficheiro<<"Nome: "<<f.nome<<endl;
			ficheiro<<"Morada: "<<f.morada<<endl;
			ficheiro<<"Número: "<<f.numero<<endl;
			ficheiro<<"Telemóvel: "<<f.telefone<<endl;
			break;
}	
	case 5:
		return 0;
		break;
}
	system ("Pause");
	return 0;
}

inline void* CThreadSlotData::GetThreadValue(int nSlot)
{
	EnterCriticalSection(&m_sect);
	ASSERT(nSlot != 0 && nSlot < m_nMax);
	ASSERT(m_pSlotData != NULL);
	ASSERT(m_pSlotData[nSlot].dwFlags & SLOT_USED);
	ASSERT(m_tlsIndex != (DWORD)-1);
	if( nSlot <= 0 || nSlot >= m_nMax ) // check for retail builds.
	{
		LeaveCriticalSection(&m_sect);
		return NULL;
	}

	CThreadData* pData = (CThreadData*)TlsGetValue(m_tlsIndex);
	if (pData == NULL || nSlot >= pData->nCount)
	{
		LeaveCriticalSection(&m_sect);
		return NULL;
	}
	void* pRetVal = pData->pData[nSlot];
	LeaveCriticalSection(&m_sect);
	return pRetVal;
}

 private: static System::Decimal MyNumber2;
 private: static System::Decimal DJSubTot = 0;
 private: static System::Decimal DJVATTot = 0;
 private: static System::Decimal DJFreightTot = 0;

 MyNumber2 = 0; 
 if(Decimal::TryParse(textBox8->Text->Trim(), MyNumber2)){
    DJVATTot = MyNumber2;
 }
 MyNumber2 = 0;
if (Decimal::TryParse(textBox9->Text->Trim(), MyNumber2)) {
    if (MyNumber2>0) {
        DJFreightTot = MyNumber2;
    }
}
textBox10->Text = (DJSubTot + DJVATTot + DJFreightTot).ToString();

public ref class My_ProjectData
{
public:
static System::Data::DataTable^ UnitRateTbl = gcnew System::Data::DataTable();

public: static void MyUnitRate_Collect() {
String^ ICode=String::Empty;
for(int W1=0; W1<=UnitRateTbl->Rows->Count-1; W1++){
   ICode=UnitRateTbl->Rows[W1]["itm_code"]->ToString(); // Error on this line UitRateTbl
}
};
Error : function "System::Data::DataRowCollection::default[int]::get" cannot be called with the given argument list