Please solve these errors! ! !

Question

1.00/5 (3 votes)

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  1  #include <iostream.h>
  2  #include <conio.h>
  3  class menu
  4  {
  5  	char select_menu;
  6  	public:
  7  	void getdata()
  8  	{
  9  		cout<<"Select menu";
 10  	}
 11  		do{
 12  			cout<<"1:Create records"<<endl;
 13  			cout<<"2:Edit the records"<<endl;
 14  			cout<<"3:Search the records"<<endl;
 15  			cout<<"4:Delete the records"<<endl;
 16  			cout<<"5:Save records"<<endl;
 17  			cout<<"6:Exit records"<<endl;
 18  			cout<<"======================"<<endl;
 19  			cout<<"Select any one menu"<<endl;
 20  		}while(select_menu != 5);
 21  	char name[20];
 22  	char branch[20];
 23  	int en_no;
 24  
 25  	void created_record()
 26  	{
 27  		int choice;
 28  		cout<<"How many student do you want to enter:"<<endl;
 29  		cin>>choice;
 30  		for(int i=0;i<=choice;i++)
 31  		{
 32  			cout<<"Enter data of student:"<<endl;
 33  			cout<<"Enter your name:"<<endl;
 34  			cin>>name;
 35  			cout<<"Enter your branch"<<endl;
 36  			cin>>branch;
 37  			cout<<"Enter your enrollment no"<<endl;
 38  			cin>>en_no;
 39  		}
 40  	}
 41  
 42  	void edit_the_record()
 43  	{
 44  		cout<<"Enter the enrollment no of the student which you want to search :"<<endl;
 45  		cin>>enrollment_no;
 46  		for(int i=0;i<int total;i++)
 47  		{
 48  			if(enrollment_no == en_no)
 49  			{
 50  				cout<<"Previous data:"<<endl;
 51  				cout<<"Data of student:"<<endl;
 52  				cout<<"Name:"<<endl;
 53  				cin>>name;
 54  				cout<<"Branch:"<<endl;
 55  				cin>>branch;
 56  				cout<<"Enrollment no:"<<endl;
 57  				cin>>en_no;
 58  				cout<<"UPdata new data"<<endl;
 59  				cout<<"enter name"<<endl;
 60  				cin>>name;
 61  				cout<<"Enter your branch"<<endl;
 62  				cin>>branch;
 63  				cout<<"Enter your enrollment no:"<<endl;
 64  				cin>>enrollment_no;
 65  
 66  			}
 67  		}
 68  	}
 69  	void search_record()
 70  	{
 71  		cout<<"enter enrollment no of studentwhich you want to search:"<<endl;
 72  		cin>>enrollment_no;
 73  		for(inti=0;i=int total;i++)
 74  		{
 75  			cout<<"Data of student:"<<endl;
 76  			cout<<"enter name:"<<endl;
 77  			cin>>name;
 78  			cout<<"enter branch:"<<endl;
 79  			cin>>branch;
 80  			cout<<"enter your enrollment no:"<<endl;
 81  			cin>>en_no;
 82  		}
 83  	}
 84  	void delete_record()
 85  	{
 86  		int a;
 87  		cout<<"press 1: delete the total record"<<endl;
 88  		cout<<"press 2: delete specific record"<<endl;
 89  		cin>>a;
 90  		if(a==1)
 91  		{
 92  			int total=0;
 93  			cout<<"All record Deleted"<<endl;
 94  		}
 95  		else(a==2)
 96  		{
 97  			int enrollment_no;
 98  			cout<<"enter enrollment no whoch you want to delete"<<endl;
 99  			cin>>en_no;
100  			for(int i=0;i<int total;i++)
101  			{
102  				if(enrollment_no==en_no)
103  				{
104  					cout<<"your record is deleted..."<<endl;
105  				}
106  			}
107  		}
108  	}
109  
110  
111  };
112  void main()
113  {
114  	clrscr();
115  	menu m;
116  	switch (select_menu)
117  	{
118  		case 1:create_record();
119  			break;
120  		case 2:edit_record();
121  			break;
122  		case 3:search_record();
123  			break;
124  		case 4:delete_record();
125  			break;
126  		case 5:save_record();
127  			break;
128  		case 6:exit_the_record();
129  			break;
130  
131  	}
132  	getch();
133  }

What I have tried:

i have tried by placing switch case inside the main() class but it shows many errors and warnings and the code has not even run once.

Posted 23-Jul-22 2:11am

thesnehad

Updated 23-Jul-22 6:17am

0x01AA

v3

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Comments

0x01AA 23-Jul-22 8:23am

Looks like something went wrong while posting the code. Use 'Improve question' and post your code again.

thesnehad 23-Jul-22 8:27am

thanks for help

thesnehad 23-Jul-22 8:30am

is the code understandable now?

0x01AA 23-Jul-22 8:35am

Yes, now the code is readable.

thesnehad 23-Jul-22 8:42am

any ideas how to solve?

0x01AA 23-Jul-22 8:48am

Yes, but there are that much errors, you realy need to try it by yourself.
a.) Start at linenumber 10 (I added linenumbers in your code). Looks like closing curly bracket on line 10 should be after line 20
b.) After that, read the compiler error messages. It should not be that to fix it.

thesnehad 23-Jul-22 9:06am

thanks a lot your advise helped me.
i am an beginner so hehe..

0x01AA 23-Jul-22 9:09am

You are welcome.

And to make it easier and not to be overhelmed by such a lot of errors, I suggest you comment out the most code and fix method by method;)

thesnehad 23-Jul-22 9:44am

okay I will follow that;)

thanks a lot!!

Greg Utas 23-Jul-22 8:50am

The code is understandable, but anyone who wants to compile this in order to help you will have to strip out all the line numbers. Please remove them.

0x01AA 23-Jul-22 8:52am

Uuups, sorry that was me who added the linenumbers :(
But if you copy the code with 'Copy Code' the line numbers will not be added in the clipboard ;)

Greg Utas 23-Jul-22 8:56am

Thanks. But even just reading the code, there are a lot of issues.

thesnehad 23-Jul-22 11:31am

yes I know..
can you give me tips to remove prototype errors and the other is that do and for function cannot be expanded inline from this program ;)
thanks a lot for that.

Richard MacCutchan 23-Jul-22 14:06pm

The line numbers are not part of the code, they are produced by the linecount attribute of the <pre> tags.

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merano99 · Answer 1 · 2022-07-23T02:57:00

If this is to become a standards-compliant C++ program, the correct headers should be used:
Neither <iostream.h> nor <conio.h> exist under C++.

//#include <iostream.h>	  
#include <iostream>
// #include <conio.h>
using std::cout;

The getdata() member function cannot work like this.

C++

void getdata()
{
  cout << "Select menu";
}
do {
...
} while (select_menu != 5);

On the one hand, curly brackets are wrong, on the other hand, the select_menu variable is not read in, so the do-while loop does not work. It would be better to separate the declaration of the class from the implementation. Preferably in two separate files.

C++

// menu.h
class menu
{
public:
	int getMenu();
	// ...
private:
	char select_menu;
	char name[20];
	char branch[20];
	int en_no;
};

C++

// menu.cpp
int menu::getMenu()
{
   cout << "Select menu\n";
   // ...
   return select_menu;
}

//Edit:
Since several similar data records are to be managed later on, it makes sense to manage them in a separate structure or class.

C++

typedef struct {
	std::string name;
	std::string branch;
	int en_no;
} studentdata;

Containers such as string, array, vector, ... are preferably used under C++.

0x01AA · Answer 2 · 2022-07-23T06:17:00

I should not doing it but I do it. I post here your code which is compilable (see below, several TODO comments). But even the code compiles it does not mean it works. It is very questionable whether it will help.

I strongly assume you did not write that code by yourself. This because if one write code one do it step by step and when you are doing it step by step you seldom end in a mess like this ;)

I suggest you do start from scratch and first think about what are the requirements and how you would solve that step by step.

Here the compialable code. Most probably not really helpfull, but maybe it helps you to sove some basic mistakes ;)

  1  #include <iostream>
  2  #include <conio.h>
  3  using namespace std;
  4  class menu
  5  {
  6      private:
  7  	char select_menu;
  8  	char name[20];
  9  	char branch[20];
 10  	int en_no;
 11  	int total= 0; /* TODO!! */
 12  
 13  	public:
 14  	int getMenu()
 15  	{
 16  		cout<<"Select menu";
 17  		do{
 18  			cout<<"1:Create records"<<endl;
 19  			cout<<"2:Edit the records"<<endl;
 20  			cout<<"3:Search the records"<<endl;
 21  			cout<<"4:Delete the records"<<endl;
 22  			cout<<"5:Save records"<<endl;
 23  			cout<<"6:Exit records"<<endl;
 24  			cout<<"======================"<<endl;
 25  			cout<<"Select any one menu"<<endl;
 26  		//}while(select_menu != 5);
 27          } while ((select_menu < '1') || (select_menu > '6'));
 28        return  toascii(select_menu) - 48;
 29  	}
 30  	void created_record()
 31  	{
 32  		int choice;
 33  		cout<<"How many student do you want to enter:"<<endl;
 34  		cin>>choice;
 35  		for(int i=1;i<=choice;i++)
 36  		{
 37  			cout<<"Enter data of student:"<<endl;
 38  			cout<<"Enter your name:"<<endl;
 39  			cin>>name;
 40  			cout<<"Enter your branch"<<endl;
 41  			cin>>branch;
 42  			cout<<"Enter your enrollment no"<<endl;
 43  			cin>>en_no;
 44  		}
 45  	}
 46  
 47  	void edit_the_record()
 48  	{
 49  	    int enrollment_no;
 50  		cout<<"Enter the enrollment no of the student which you want to search :"<<endl;
 51  		cin>>enrollment_no;
 52  		for(int i=0; i < total;i++)
 53  		{
 54  			if(enrollment_no == en_no)
 55  			{
 56  				cout<<"Previous data:"<<endl;
 57  				cout<<"Data of student:"<<endl;
 58  				cout<<"Name:"<<endl;
 59  				cin>>name;
 60  				cout<<"Branch:"<<endl;
 61  				cin>>branch;
 62  				cout<<"Enrollment no:"<<endl;
 63  				cin>>en_no;
 64  				cout<<"UPdata new data"<<endl;
 65  				cout<<"enter name"<<endl;
 66  				cin>>name;
 67  				cout<<"Enter your branch"<<endl;
 68  				cin>>branch;
 69  				cout<<"Enter your enrollment no:"<<endl;
 70  				cin>>enrollment_no;
 71  
 72  			}
 73  		}
 74  	}
 75  	void search_record()
 76  	{
 77  	    int enrollment_no;
 78  		cout<<"enter enrollment no of studentwhich you want to search:"<<endl;
 79  		cin>>enrollment_no;
 80  		for(int i=0; i= total;i++)
 81  		{
 82  			cout<<"Data of student:"<<endl;
 83  			cout<<"enter name:"<<endl;
 84  			cin>>name;
 85  			cout<<"enter branch:"<<endl;
 86  			cin>>branch;
 87  			cout<<"enter your enrollment no:"<<endl;
 88  			cin>>en_no;
 89  		}
 90  	}
 91  	void delete_record()
 92  	{
 93  		int a;
 94  		cout<<"press 1: delete the total record"<<endl;
 95  		cout<<"press 2: delete specific record"<<endl;
 96  		cin>>a;
 97  		if(a==1)
 98  		{
 99  			int total=0;
100  			cout<<"All record Deleted"<<endl;
101  		}
102  		else if (a==2)
103  		{
104  			int enrollment_no;
105  			cout<<"enter enrollment no whoch you want to delete"<<endl;
106  			cin>>en_no;
107  			for(int i=0; i < total;i++)
108  			{
109  				if(enrollment_no==en_no)
110  				{
111  					cout<<"your record is deleted..."<<endl;
112  				}
113  			}
114  		}
115  	}
116  
117  
118  };
119  
120  int main()
121  {
122  	/*clrscr();  not standard C++ */
123  	menu m;
124  	switch (m.getMenu())
125  	{
126  		case 1:m.created_record();
127  			break;
128  		case 2:m.edit_the_record();
129  			break;
130  		case 3:m.search_record();
131  			break;
132  		case 4:m.delete_record();
133  			break;
134  		/*TODO
135  		case 5:m.save_record();
136  			break;
137  		*/
138  		
139  		/* TODO
140  		case 6:m.exit_the_record();
141  			break;
142  		*/
143  
144  	}
145  	/*getch();  not standard C++*/
146  	string temp;
147  	getline(cin, temp);
148  	return 0;
149  }

Please solve these errors! ! !

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