Electricity Billing In C++

/*
  Programming By :- Utkarsh Sharma
  Download By :- www.utsengg.blogspot.com
*/

//BY:-Utkarsh sharma
#include<conio.h>
#include<iostream.h>
#include<dos.h>
#include<process.h>
#include<fstream.h>
#include<string.h>
#include<ctype.h>
# include<stdio.h>
# include<stdlib.h>

class menu
{
    public:
        void main_menu(void);

};
class adver
{
    public:
 void show()
 {
     clrscr();
     cout<<"\n\t    ************** ELECTRICITY BILLING SYSTEM **************";
     cout<<"\n";
            cout<<"\n\t\t Program Developed By:-   Utkarsh Sharma";
            cout<<"\n\t\t              Branch :-   Computer Engg.";
            cout<<"\n\t\t             Roll No.:-   10092009";
            cout<<"\n\n";
     cout<<"\n\t\t **********UTTAR HARYANA BIJLI UTS LIMITED**********";
            cout<<"\n\t\t **********(A Govt. Of Haryana Undertaking)*********";
            cout<<"\n";
            cout<<"\n\n"<<"************************* SAVE ELECTRICITY, SAVE MONEY *************************";
        }
          void calculation()
        {
            clrscr();
            int rt,unit,nmr,omr;
            float tbill,lastpayment;
            cout<<"\n\n\t\tENTER YOUR OLD METER READING:\t";
            cin>>omr;
            cout<<"\n\n\t\tENTER YOUR NEW METER READING:\t";
            cin>>nmr;
            unit=nmr-omr;
            if(unit<=100)
            {
                rt=1;
            }
            else if(unit>100 && unit<=200)
            {
                rt=2;
            }
            else if(unit>200 && unit<=300)
            {
                rt=3;
            }
            else if(unit>400)
            {
                rt=4;
            }
            cout<<"\n\n\t\tENTER YOUR LAST DUE:\t";
            cin>>lastpayment;
            tbill=(unit*rt)+lastpayment;
            cout<<"\n\n\t\tYOUR BILL IS:\t";
            cout<<tbill;
            getch();
        }
};
class member
{
    public:
        void list(void);
    protected:
        void add_mem(int,char[],char[],char[],char[],char[],char[],char[],char[]);
        void modify(int,char[],char[],char[],char[],char[],char[],char[],char[]);
        void deletion(void);
        int member_found(int);
        char *membername(int);
        char *memberfather(int);
        char *memberaddress(int);
        char *memberomr(int);
        char *membernmr(int);
        char *memberunit(int);
        char *memberfree(int);
        char *membercost(int);
        int recordno(int);
        int lastcode(void);
        void display(int);
        void delete_rec(int);
    private:
        int memcode;
        char name[12],father[12],address[18],omr[4],nmr[4],unit[4],free[4],cost[4];
};

class working:public member
{
    public:
        void add_member(void);
        void modify_member(void);
        void delete_member(void);
};

void menu::main_menu(void)
{
    char ch;
    adver v;
    while(1)
    {
        clrscr();
        gotoxy(29,6);
        v.show();
        cout<<"\n\t\t1.CHECK BY CLACULATIONS";
        cout<<"\n\t\t2.ADD NEW CONSUMER";
        cout<<"\n\t\t3.MODIFICATION IN DETAIL OF CONSUMER";
        cout<<"\n\t\t4.DELETE THE DETAIL OF CONSUMER";
        cout<<"\n\t\t5.CHECK DETAIL'S OF CONSUMER";
        cout<<"\n\t\t0.QUIT";
        cout<<"\n\t\tENTER YOUR CHOICE:\t";
        ch=getche();
        if(ch==27)
        break;
        else
        if(ch=='1')
        {
            adver v;
               v.calculation();

}
        else
        if(ch=='2')
        {
            working w;
            w.add_member();

}
        else
        if(ch=='3')
        {
             working w;
            w.modify_member();
        }
        else
        if(ch=='4')
        {
            working w;
            w.delete_member();
         }
        else
        if(ch=='5')
        {

member m;
           m.list();
         }
        else
        if(ch=='0')
        break;

}

int member :: member_found(int mcode)
{
    fstream file;
    file.open("member.dat",ios::in);
    file.seekg(0,ios ::beg);
    int found=0;
    while(file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            found=1;
            break;
        }
    }
        file.close();
        return found;
}

int member :: lastcode(void)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    int mcode = 0;
    while(file.read((char*) this, sizeof(member)))
        mcode=memcode;
        file.close();
        return mcode;
}

char *member :: membername(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char mname[12];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(mname,name);
            break;
        }
    }
    file.close();
    return mname;
}

char* member :: memberfather(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char mfather[12];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(mfather,father);
            break;
        }
    }
    file.close();
    return mfather;
}

char* member::memberaddress(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char maddress[18];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(maddress,address);
            break;
        }
    }
    file.close();
    return maddress;
}

char* member::memberomr(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char momr[4];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(momr,omr);
            break;
        }
    }
    file.close();
    return momr;
}

char* member::membernmr(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char mnmr[4];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(mnmr,nmr);
            break;
        }
    }
    file.close();
    return mnmr;
}

char* member::memberunit(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char munit[4];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(munit,unit);
            break;
        }
    }
    file.close();
    return munit;
}

char* member::memberfree(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char mfree[4];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(mfree,free);
            break;
        }
    }
    file.close();
    return mfree;
}

char* member::membercost(int mcode)
{
    fstream file;
    file.open("member.dat", ios::in);
    file.seekg(0,ios::beg);
    char mcost[4];
    while (file.read((char*) this, sizeof(member)))
    {
        if(memcode == mcode)
        {
            strcpy(mcost,cost);
            break;
        }
    }
    file.close();
    return mcost;
}

int member :: recordno(int mcode)
{
    fstream file;
    file.open("member.dat",ios::in);
    file.seekg(0,ios::beg);
    int count=0;
    while(file.read((char*) this, sizeof(member)))
    {
        count++;
        if(memcode==mcode)
        break;
    }
    file.close();
    return count;
}

void member :: delete_rec(int mcode)
{
    fstream file;
    file.open("member.dat",ios::in);
    fstream temp;
    temp.open("temp.dat",ios::out);
    file.seekg(0,ios::beg);
    while(!file.eof())
    {
        file.read((char*) this, sizeof (member));
        if (file.eof())
        break;
        if(memcode!=mcode)
        temp.write((char*)this, sizeof(member));
    }
    file.close();
    temp.close();
    file.open("member.dat", ios::out);
    temp.open("temp.dat", ios::in);
    temp.seekg(0,ios::beg);
    while(!temp.eof())
    {
       temp.read((char*) this, sizeof(member));
       if(temp.eof())
       break;
       file.write((char*) this, sizeof(member));
    }
    file.close();
    temp.close();
}

void member:: modify(int mcode, char mname[8],char mfather[8],char maddress[12],char momr[4],char mnmr[4],char munit[4],char mfree[4],char mcost[4])
{
    int recno;
    recno = recordno(mcode);
    fstream file;
    file.open("member.dat", ios::out | ios :: ate);
    strcpy(name,mname);
    strcpy(father,mfather);
    strcpy(address,maddress);
    strcpy(omr,momr);
    strcpy(nmr,mnmr);
    strcpy(unit,munit);
    strcpy(free,mfree);
    strcpy(cost,mcost);
    int location;
    location=(recno-1)*sizeof(member);
    file.seekp(location);
    file.write((char*)this, sizeof(member));
    file.close();
}

void member::add_mem(int mcode,char mname[8],char mfather[8],char maddress[12],char momr[4],char mnmr[4],char munit[4],char mfree[4],char mcost[4])
{
    fstream file;
    file.open("member.dat", ios::app);
    memcode=mcode;
    strcpy(name,mname);
    strcpy(father,mfather);
    strcpy(address,maddress);
    strcpy(omr,momr);
    strcpy(nmr,mnmr);
    strcpy(unit,munit);
    strcpy(free,mfree);
    strcpy(cost,mcost);
    file.write((char*)this, sizeof(member));
    file.close();
}

void member::display(int mcode)
{
    fstream file;
    file.open("member.dat",ios::in);
    file.seekg(0,ios::beg);
    while(file.read((char*)this, sizeof(member)))
    {
        if(memcode==mcode)
        {
            gotoxy(5,3);
            cout<<"METER NO.  #"<<mcode;
            gotoxy(5,4);
            cout<<"Name  #"<<name;
            gotoxy(5,6);
            cout<<"Father Name  #"<<father;
            gotoxy(5,7);
            cout<<"Address  #"<<address;
            gotoxy(5,8);
            cout<<"OMR #"<<omr;
            gotoxy(5,9);
            cout<<"NMR  #"<<nmr;
            gotoxy(5,10);
            cout<<"UNIT #"<<unit;
            gotoxy(5,11);
            cout<<"Free  #"<<free;
            gotoxy(5,12);
            cout<<"COST #"<<cost;
            break;
        }
        file.close();
    }
}

void member :: list(void)
{
    clrscr();
    int row =8,found=0,flag=0;
    char ch;
    member m;
    gotoxy(31,1);
    cout<<"LIST OF CONSUMER'S";
    gotoxy(31,2);
    cout<<"~~~~~~~~~~~~~~~~~";

gotoxy(1,5);
        cout<<"M NO.";
        gotoxy(7,5);
        cout<<"NAME";
        gotoxy(20,5);
        cout<<"FATHER NAME";
        gotoxy(33,5);
        cout<<"ADDRESS";
        gotoxy(52,5);
        cout<<"OMR";
        gotoxy(57,5);
        cout<<"NMR";
        gotoxy(62,5);
        cout<<"UNIT";
        gotoxy(67,5);
        cout<<"FREE";
        gotoxy(72,5);
        cout<<"COST";

gotoxy(1,6);
    cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
    fstream file;
    file.open("member.dat",ios::in);
    file.seekg(0,ios::beg);
    while(file.read((char*)this, sizeof(member)))
    {
        flag=0;
        delay(20);
        found=1;
        gotoxy(1,row);
        cout<<memcode;
        gotoxy(7,row);
        cout<<name;
        gotoxy(20,row);
        cout<<father;
        gotoxy(33,row);
        cout<<address;
        gotoxy(52,row);
        cout<<omr;
        gotoxy(57,row);
        cout<<nmr;
        gotoxy(62,row);
        cout<<unit;
        gotoxy(67,row);
        cout<<free;
        gotoxy(73,row);
        cout<<cost;

gotoxy(19,row+1);
        if(memcode==0)
            cprintf("MEMBER NAME:(Not Found)");
         if(row==22)
         {
            flag=1;
            row=6;
            gotoxy(1,25);
            cout<<"Press any key to continue or press<esc> to exit";
            ch=getch();
            if(ch==27)
            break;
            clrscr();
            gotoxy(32,2);
            cout<<"LIST OF MEMBERS";
            gotoxy(31,3);
            cout<<"~~~~~~~~~~~~~~~~~";
            gotoxy(1,4);
            cout<<"CODE    NAME    FATHER NAME    ADDRESS      OMR      NMR    UNIT    FREE    COST";
            gotoxy(1,5);
            cout<<"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
              }
              else
              row=row+2;
         }
         getch();
         if(!found)
         {
            gotoxy(5,10);
            cout<<"\7 Records not Found";
         }
         if(!flag)
         {
            gotoxy(1,25);
            cout<<"Pess Any Key to Continue...";
            getche();
         }
    file.close();
}
void working:: add_member(void)
{
    char ch;
    int mcode;
    char mname[12],mfather[12],maddress[18],momr[4],mnmr[4],munit[4],mfree[4],mcost[4];
    mcode=lastcode();
    mcode++;
    do
    {
        int valid=0;
        clrscr();
        gotoxy(28,3);
        cout<<"ADDITION OF THE TRAVELLERS";
        gotoxy(72,1);
        cout<<"<0>=exit";;
        gotoxy(5,6);
        cout<<"Meter No. #"<<mcode;
        gotoxy(5,8);
        cout<<"Name :";
        gotoxy(5,10);
        cout<<"Father Name:";
        gotoxy(5,12);
        cout<<"Address :";
        gotoxy(5,14);
        cout<<"OMR:";
        gotoxy(5,16);
        cout<<"NMR :";
        gotoxy(5,18);
        cout<<"UNIT:";
        gotoxy(5,20);
        cout<<"FREE :";
        gotoxy(5,22);
        cout<<"COST:";

do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"enter of the name of the new CONSUMER";
            gotoxy(15,8);clreol();
            gets(mname);
            strupr(mname);
            if(mname[0]=='0')
            return;
            if(strlen(mname)<1 || strlen(mname)>12)
            {
                valid =0;
                gotoxy(5,25);clreol();
                cout<<"\n Enter correctly(range: 1..12)";
                getch();
            }
         }while(!valid);
         do
         {
                valid =1;
                gotoxy(5,25);clreol();
                cout<<"Enter FATHER NAME of the CONSUMER or press<enter> for none";
                gotoxy(18,10);clreol();
                gets(mfather);
                if(mfather[0]=='0')
                return;
                if((strlen(mfather)<2 && strlen(mfather)>0)||(strlen(mfather)>12))
                {
                    valid=0;
                    gotoxy(5,25);clreol();
                    cout<<"\n enter correctly (range 1 .........12)";
                    getch();
                }
        }while(!valid);
        if(strlen(mfather)==0)
        strcpy(mfather,"");
        do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the address of the new member";
            gotoxy(15,12);clreol();
            gets(maddress);
            strupr(maddress);
            if(maddress[0]=='0')
            return;
            if(strlen(maddress)<1 || strlen(maddress)>18)
            {
                valid=0;
                gotoxy(5,25); clreol();
                cout<<"\n Enter correctly (range: 1 to 18)";
                getch();
            }
        }while(!valid);
           //gotoxy(5,25);
        clreol();
        do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the OMR of the new CONSUMER";
            gotoxy(15,14);clreol();
            gets(momr);
            strupr(momr);
            if(momr[0]=='0')
            return;
            if(strlen(momr)<1 || strlen(momr)>4)
            {
                valid=0;
                gotoxy(5,25); clreol();
                cout<<"\n Enter correctly (range: 1 to 4)";
                getch();
            }
        }while(!valid);
        //gotoxy(5,25);
        clreol();
        do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the NMR of the new CONSUMER";
            gotoxy(15,16);clreol();
            gets(mnmr);
            strupr(mnmr);
            if(mnmr[0]=='0')
            return;
            if(strlen(mnmr)<1 || strlen(mnmr)>4)
            {
                valid=0;
                gotoxy(5,25); clreol();
                cout<<"\n Enter correctly (range: 1 to 4)";
                getch();
            }
        }while(!valid);
        //gotoxy(5,25);
        clreol();
        do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the UNIT of the new CONSUMER";
            gotoxy(15,18);clreol();
            gets(munit);
            strupr(munit);
            if(munit[0]=='0')
            return;
            if(strlen(munit)<1 || strlen(munit)>4)
            {
                valid=0;
                gotoxy(5,25); clreol();
                cout<<"\n Enter correctly (range: 1 to 4)";
                getch();
            }
        }while(!valid);
        //gotoxy(5,25);
        clreol();
        do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the FREE UNIT of the new CONSUMER";
            gotoxy(15,20);clreol();
            gets(mfree);
            strupr(mfree);
            if(mfree[0]=='0')
            return;
            if(strlen(mfree)<1 || strlen(mfree)>4)
            {
                valid=0;
                gotoxy(5,25); clreol();
                cout<<"\n Enter correctly (range: 1 to 4)";
                getch();
            }
        }while(!valid);
        //gotoxy(5,25);
        clreol();
        do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the COST of the new CONSUMER";
            gotoxy(15,22);clreol();
            gets(mcost);
            strupr(mcost);
            if(mcost[0]=='0')
            return;
            if(strlen(mcost)<1 || strlen(mcost)>4)
            {
                valid=0;
                gotoxy(5,25); clreol();
                cout<<"\n Enter correctly (range: 1 to 4)";
                getch();
            }
        }while(!valid);
        gotoxy(5,25);clreol();
        do
        {
            gotoxy(5,25);clreol();
            cout<<"Do you want to save(y/n):";
            ch=getche();
            ch=toupper(ch);
            if(ch =='0')
            return;
         }while(ch!='Y' && ch!='N');
            if(ch=='Y')
            {
                   add_mem(mcode,mname,mfather,maddress,momr,mnmr,munit,mfree,mcost);
                mcode++;
            }
            do
            {
                gotoxy(5,30);clreol();
                cout<<"Do you want to add more(y/n)";
                ch=getche();
                ch=toupper(ch);
                if(ch=='0')
                return;
            }while(ch!='Y' && ch!='N');
    }while(ch=='Y');
}

void working:: modify_member(void)
{
    member m;
    char m1code[10],mname[12],mfather[12],maddress[18],momr[4],mnmr[4],munit[4],mfree[4],mcost[4],ch;
    int m2code=0,mcode=0;
    int valid;
    do
    {
        valid=1;
        while(1)
        {
            clrscr();
            gotoxy(72,1);
            cout<<"<0>=exit";
            gotoxy(5,7);
            cout<<"Enter code no of the CONSUMER to modify";
            gotoxy(5,8);
            cout<<"    or";
            gotoxy(5,9);
            cout<<"Press<enter for help";
            gets(m1code);
            m2code=atoi(m1code);
            mcode=m2code;
            if(m1code[0]=='0')
            return;
            if(strlen(m1code)==0)
            m.list();
              else
            break;
        }
        if(mcode==0)
        {
            valid =0;
            gotoxy(5,25);
            cout<<"\7Enter correctly";
            getch();
        }
        if(valid && !member_found(mcode))
        {
            valid=0;
            gotoxy(5,13);
            cout<<"\n Record not found";
            gotoxy(5,14);
            cout<<"Press<Esc> to exit or any other key to continue...";
            ch=getch();
            if(ch==27)
            return;
        }
     }while(!valid);
        clrscr();
        gotoxy(72,1);
        cout<<"<0>=exit";
        member::display(mcode);
        do
        {
            gotoxy(5,14);clreol();
            cout<<"Do you want to MODIFY this record(y/n):";
            ch=getche();
            ch=toupper(ch);
            if(ch=='0')
            return;
        }while(ch!='Y' && ch!='N');
        if(ch=='N')
        return;
        gotoxy(5,16);
        cout<<"name:";
        gotoxy(5,17);
        cout<<"father name:";
        gotoxy(5,18);
        cout<<"Address:";
        gotoxy(5,19);
        cout<<"OMR:";
        gotoxy(5,20);
        cout<<"NMR:";
        gotoxy(5,21);
        cout<<"UNIT:";
        gotoxy(5,22);
        cout<<"FREE:";
        gotoxy(5,23);
        cout<<"COST:";

do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"enter the name of the CONSUMER or<enter>for no change";
            gotoxy(19,16);clreol();
            gets(mname);
            strupr(mname);
            if(mname[0]=='0')
            return;
            if(strlen(mname)>12)
            {
                valid=0;
                gotoxy(5,25);clreol();
                cout<<"\n Enter correctly (range: 1..12)";
                getch();
            }
        }while(!valid);
        if(strlen(mname)==0)
        strcpy(mname,membername(mcode));
        do
        {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the FATHER NAME of CONSUMER or <enter> for no change";
            gotoxy(19,17);clreol();
            gets(mfather);
            if(mfather[0]=='0')
            return;
            if((strlen(mfather)<2 && strlen(mfather)>0) || (strlen(mfather)>12))
            {
                valid=0;
                gotoxy(5,25);clreol();
                cout<<"\n Enter correctly (1....12)";
                getch();
            }
            }while(!valid);
            if(strlen(mfather)==0)
            strcpy(mfather,memberfather(mcode));
            do
            {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the Address of the CONSUMER or <enter> for no change:";
            gotoxy(19,18);clreol();
            gets(maddress);
            strupr(maddress);
            if(maddress[0]=='0')
            return;
            if(strlen(maddress)>18)
            {
                valid=0;
                gotoxy(5,25);clreol();
                cout<<"\n Enter Correctly (range 1 to 18)";
                getch();
            }
            }while(!valid);
            if(strlen(maddress)==0)
            strcpy(maddress,memberaddress(mcode));
            gotoxy(5,25);
            clreol();
            do
            {
                valid=1;
                   //gotoxy(5,26);
                clreol();
                cout<<"Enter the OMR of the CONSUMER or <enter> for no change:";
                gotoxy(19,19);
                clreol();
                gets(momr);
                strupr(momr);
                if(momr[0]=='0')
                return;
                if(strlen(momr)>4)
                {
                    valid=0;
                    gotoxy(5,25);clreol();
                    cout<<"\n Enter Correctly (range 1 to 4)";
                    getch();
                }
            }while(!valid);
            if(strlen(momr)==0)
            strcpy(momr,memberomr(mcode));
            gotoxy(5,25);
            clreol();
            do
            {
                valid=1;
                //gotoxy(5,25);
                clreol();
                cout<<"Enter the NEW METER READING of the CONSUMER or <enter> for no change:";
                gotoxy(19,20);clreol();
                gets(mnmr);
                strupr(mnmr);
                if(mnmr[0]=='0')
                return;
                if(strlen(mnmr)>4)
                {
                    valid=0;
                    gotoxy(5,25);clreol();
                    cout<<"\n Enter Correctly (range 1 to 4)";
                    getch();
                }
            }while(!valid);
            if(strlen(mnmr)==0)
            strcpy(mnmr,membernmr(mcode));
            gotoxy(5,25);clreol();
            do
            {
            valid=1;
            gotoxy(5,25);clreol();
            cout<<"Enter the UNIT CONSUME BY the CONSUMER or <enter> for no change:";
            gotoxy(19,21);clreol();
            gets(munit);
            strupr(munit);
            if(munit[0]=='0')
            return;
            if(strlen(munit)>4)
            {
                valid=0;
                gotoxy(5,25);clreol();
                cout<<"\n Enter Correctly (range 1 to 4)";
                getch();
            }
            }while(!valid);
            if(strlen(munit)==0)
            strcpy(munit,memberunit(mcode));
            gotoxy(5,25);
            clreol();
            do
            {
                valid=1;
                   //gotoxy(5,26);
                clreol();
                cout<<"Enter the FREE UNIT of the CONSUMER or <enter> for no change:";
                gotoxy(19,22);
                clreol();
                gets(mfree);
                strupr(mfree);
                if(mfree[0]=='0')
                return;
                if(strlen(mfree)>4)
                {
                    valid=0;
                    gotoxy(5,25);clreol();
                    cout<<"\n Enter Correctly (range 1 to 4)";
                    getch();
                }
            }while(!valid);
            if(strlen(mfree)==0)
            strcpy(mfree,memberfree(mcode));
            gotoxy(5,25);
            clreol();
            do
            {
                valid=1;
                //gotoxy(5,25);
                clreol();
                cout<<"Enter the COST of the CONSUMER or <enter> for no change:";
                gotoxy(19,23);clreol();
                gets(mcost);
                strupr(mcost);
                if(mcost[0]=='0')
                return;
                if(strlen(mcost)>4)
                {
                    valid=0;
                    gotoxy(5,25);clreol();
                    cout<<"\n Enter Correctly (range 1 to 4)";
                    getch();
                }
            }while(!valid);
            if(strlen(mcost)==0)
            strcpy(mcost,membercost(mcode));
            gotoxy(5,25);clreol();
            do
            {
            gotoxy(5,28);clreol();
            cout<<"do you want to save the changes(y/n)";
            ch=getche();
            ch=toupper(ch);
            if(ch=='0')
            return;
            }while(ch!= 'Y' && ch!='N');
            if(ch=='N')
            return;
            member::modify(mcode,mname,mfather,maddress,momr,mnmr,munit,mfree,mcost);
            gotoxy(5,23);
            cout<<"\n Record modified";
            getch();
        }
void working::delete_member(void)
{
    member m;
    char m1code[5],mname[12],mfather[12],maddress[18],momr[4],mnmr[4],munit[4],mfree[4],mcost[4],ch;
    int m2code=0,mcode=0;
    int valid;
    do
    {
        valid=1;
        while(1)
        {
            clrscr();
            gotoxy(72,1);
            cout<<"<0>=exit";
            gotoxy(5,5);
            cout<<"Enter METER No. of the member to be  deleted";
            gotoxy(5,7);
            cout<<"        or    ";
            gotoxy(5,9);
            cout<<"Press<enter>for help";
            gets(m1code);
            m2code=atoi(m1code);
            mcode=m2code;
            if(m1code[0]=='0')
            return;
            if(strlen(m1code)==0)
            m.list();
            else
            break;
        }
        if(mcode==0)
        {
            valid=0;
            gotoxy(5,25);
            cout<<"\n Enter Correctly";
            getch();
        }
        if(valid && !member_found(mcode))
        {
            valid=0;
            gotoxy(5,13);
            cout<<"Record not Found";
            gotoxy(5,14);
            cout<<"Press <esc> to exit or any other key to continue....";
            ch=getch();
            if(ch==27)
            return;
            }
            }while(!valid);
            clrscr();
            gotoxy(72,1);
            cout<<"<0> Exit";
            member::display(mcode);
            do
            {
                gotoxy(5,14);clreol();
                cout<<"DO you want to delete this record(y/n)";
                ch=getche();
                ch=toupper(ch);
                if(ch=='0')
                return;
            }while(ch!= 'Y' && ch!='N');
                if(ch=='N')
                return;
                member::delete_rec(mcode);
                gotoxy(5,23);
                cout<<"\n Record Modified";
                getch();
            }

void main(void)
{
    menu menu;
    menu.main_menu();
}

OutPut:-

UTS PROJECT ID:- ( 10092009 )

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2 comments:

Niranjan Kumar said...: PMS is Sales and Inventory management software for small and medium size enterprises to maintain their accounts, books, stock, orders. This is not only an accounting package. There is much extra option in this to manage your business as you want easily.; May 6, 2022 at 1:01 PM
Mohammad Allauddin said...: Mediworld Multi-Specialty Hospital is centrally located in Patna. Our location is convenient for both local & outstation patients and has all the major amenities nearby.
Get world class treatment & care at Mediworld Hospital. Call us to know more!; February 9, 2023 at 6:08 PM

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