A more improve code that I wrote on Biodata Student Information System in C. That works in Turbo C++ and Dev C++. I hope you will find my work useful thank you.
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I am currently accepting programming work, it projects, school
programming projects, thesis and capstone projects, IT consulting
work, computer tutorials, and web development work kindly contact me in the following email address for further details. If you want to advertise on my website kindly contact me also in my email address also. Thank you.
My email address is the following jakerpomperada@gmail.com, jakerpomperada@aol.com, and jakerpomperada@yahoo.com.
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Sample Program Output
Program Listing
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <ctype.h>
#include <string.h>
main( )
{
FILE *fp, *ft ;
char another, choice ;
struct student
{
char stud_id[200];
char name[200];
char course[200];
char sex;
int age;
char address[200];
char email[200];
char subject[200];
float prelim,midterm,endterm,final_grade;
} ;
struct student info ;
char student_id[200];
int flag=0;
long int recsize ;
fp = fopen ( "BIODATA.DAT", "rb+" ) ;
if ( fp == NULL )
{
fp = fopen ( "BIODATA.DAT", "wb+" ) ;
if ( fp == NULL )
{
puts ( "Cannot open file" ) ;
exit(0) ;
}
}
recsize = sizeof ( info ) ;
while (1)
{
system("CLS");
printf("\n");
/* textcolor(LIGHTGREEN); */
printf("\n======================================");
printf("\n");
printf("\nBIODATA STUDENT INFORMATION SYSTEM ");
printf("\n");
printf("\n======================================");
/* normvideo(); */
printf("\n\n");
printf ( "1. ADD STUDENT RECORDS") ;
printf("\n");
printf ( "2. DISPLAY STUDENT RECORDS" ) ;
printf("\n");
printf ( "3. UPDATE STUDENT RECORDS" ) ;
printf("\n");
printf ( "4. SEARCH STUDENT RECORDS" ) ;
printf("\n");
printf ( "5. DELETE STUDENT RECORDS" ) ;
printf("\n");
printf ( "6. QUIT PROGRAM" ) ;
printf("\n\n");
printf ("SELECT YOUR CHOICE : ") ;
fflush (stdin) ;
choice = getche() ;
switch (choice)
{
case '1' :
fseek (fp, 0 ,SEEK_END) ;
another = 'Y' ;
while ( another == 'Y' )
{
system("cls");
printf("\n\n");
printf("=== Add New Student Record in the Database ===");
printf("\n\n");
printf("Enter Student ID : ");
scanf("%s",&info.stud_id);
printf("Enter Student Name : ");
fflush(stdin);
gets(info.name);
printf("Enter Course : ");
fflush(stdin);
gets(info.course);
printf("Enter Gender M/F : ") ;
info.sex = toupper(getche());
printf("\n");
printf("Enter Age : ") ;
scanf("%d",&info.age);
printf("Enter Home Address : ");
fflush(stdin);
gets(info.address);
printf("Enter Email Address : ");
scanf("%s",&info.email);
printf("Enter Subject : ");
fflush(stdin);
gets(info.subject);
printf("Enter Prelim Grade : ");
scanf("%f",&info.prelim);
printf("Enter Midtem Grade : ");
scanf("%f",&info.midterm);
printf("Enter Endterm Grade : ");
scanf("%f",&info.endterm);
info.final_grade = (info.prelim * 0.20) + (info.midterm * 0.30) + (info.endterm * 0.50);
printf("\n\n");
printf("\nFinal Grade : %2.0f",info.final_grade);
fwrite ( &info, recsize, 1, fp ) ;
printf("\n\n");
printf ("\nAdd another Record (Y/N) : ") ;
fflush (stdin) ;
another = toupper(getche()) ;
}
break ;
case '2' :
system("cls");
rewind (fp);
printf("\n\n");
printf("=== View the Records in the Database ===");
printf("\n\n");
while ( fread ( &info, recsize, 1, fp ) == 1 )
{
printf("\n");
printf("\n Student ID : %s",info.stud_id);
printf("\n Name : %s",info.name);
printf("\n Course : %s",info.course);
printf("\n Gender : %c",info.sex);
printf("\n Age : %d",info.age);
printf("\n Home Address : %s",info.address);
printf("\n Email Address : %s",info.email);
printf("\n Subject : %s",info.subject);
printf("\n Prelim Grade : %2.0f",info.prelim);
printf("\n Midterm Grade : %2.0f",info.midterm);
printf("\n Endterm Grade : %2.0f",info.endterm);
printf("\n");
info.final_grade = (info.prelim * 0.20) + (info.midterm * 0.30) + (info.endterm * 0.50);
printf("\n Final Grade : %2.0f",info.final_grade);
printf("\n\n");
}
system("pause");
break ;
case '3' :
rewind (fp);
another = 'Y' ;
while (another == 'Y')
{
system("cls");
printf("=== Update Student Records in the Database ===");
printf("\n\n");
printf("\n");
printf("Enter Student ID Number : ");
scanf("%s",&student_id);
rewind (fp) ;
while (fread( &info, recsize, 1, fp ) == 1 )
{
if ( strcmp ( info.stud_id, student_id ) == 0 )
{
printf("Enter Student ID : ");
scanf("%s",info.stud_id);
printf("Enter Student Name : ");
fflush(stdin);
gets(info.name);
printf("Enter Course : ");
fflush(stdin);
gets(info.course);
printf("Enter Gender M/F : ") ;
info.sex = toupper(getche());
printf("\n");
printf("Enter Age : ") ;
scanf("%d",&info.age);
printf("Enter Home Address : ");
fflush(stdin);
gets(info.address);
printf("Enter Email Address : ");
scanf("%s",&info.email);
printf("Enter Subject : ");
fflush(stdin);
gets(info.subject);
printf("Enter Prelim Grade : ");
scanf("%f",&info.prelim);
printf("Enter Midtem Grade : ");
scanf("%f",&info.midterm);
printf("Enter Endterm Grade : ");
scanf("%f",&info.endterm);
printf("\n");
info.final_grade = (info.prelim * 0.20) + (info.midterm * 0.30) + (info.endterm * 0.50);
printf("\n Final Grade : %2.0f",info.final_grade);
printf("\n\n");
printf("Records has been updated in the database.");
printf("\n\n");
system("pause");
fseek ( fp, - recsize, SEEK_CUR ) ;
fwrite ( &info, recsize, 1, fp ) ;
break ;
}
}
if (strcmp(info.stud_id,student_id) != 0 )
{
printf("\n\n");
printf("No Record in the Database.");
printf("\n");
system("pause");
break;
}
printf("\n\n");
printf ( "\nUpdate Another Record (Y/N) : " ) ;
fflush (stdin) ;
another = toupper(getche());
}
break ;
case '4' :
rewind (fp);
another = 'Y' ;
while ( another == 'Y' )
{
system("cls");
printf("=== Search Student Records in the Database ===");
printf("\n\n");
printf("Enter Student ID : ");
scanf("%s",&student_id);
printf("\n");
rewind (fp) ;
while ( fread( &info, recsize, 1, fp ) == 1 )
{
if (strcmp(info.stud_id,student_id) == 0 )
{
printf("\n");
printf("\n ID Number : %s",info.stud_id);
printf("\n Name : %s",info.name);
printf("\n Course : %s",info.course);
printf("\n Gender : %c",info.sex);
printf("\n Age : %d",info.age);
printf("\n Home Address : %s",info.address);
printf("\n Email Address : %s",info.email);
printf("\n Subject : %s",info.subject);
printf("\n Prelim Grade : %2.0f",info.prelim);
printf("\n Midterm Grade : %2.0f",info.midterm);
printf("\n Endterm Grade : %2.0f",info.endterm);
printf("\n");
info.final_grade = (info.prelim * 0.20) + (info.midterm * 0.30) + (info.endterm * 0.50);
printf("\n Final Grade : %2.0f",info.final_grade);
printf("\n\n");
system("pause");
break;
}
}
if (strcmp(info.stud_id,student_id) != 0 )
{
printf("\n\n");
printf("No Record in the Database.");
printf("\n\n");
system("pause");
break;
}
printf("\n\n");
printf ( "\n Search Another Student Record (Y/N) : " ) ;
fflush (stdin) ;
another = toupper(getche());
}
break ;
case '5' :
another = 'Y' ;
while ( another == 'Y' )
{
system("cls");
flag=0;
printf("=== Delete Student Records in the Database ===");
printf("\n\n");
printf("Enter Student ID : ");
scanf("%s",&student_id);
printf("\n");
ft = fopen ("TEMP.DAT", "wb") ;
rewind (fp) ;
while (fread (&info, recsize, 1, fp) == 1 )
{
if (strcmp(info.stud_id, student_id) != 0 )
fwrite(&info, recsize, 1, ft ) ;
else
flag=1;
}
fclose (fp) ;
fclose (ft) ;
remove ("BIODATA.DAT") ;
rename ("TEMP.DAT", "BIODATA.DAT") ;
fp = fopen ("BIODATA.DAT", "rb+") ;
if(flag==1) {
printf("\n\n");
printf("Record Successfully Deleted From the Database.");
printf("\n\n");
system("pause");
}
else if (flag!=1) {
printf("\n\n");
printf("Sorry Record Not Found in the Database.");
printf("\n\n");
system("pause");
}
printf("\n\n");
printf( "Delete Another Record (Y/N) " ) ;
fflush ( stdin ) ;
another = toupper(getche());
}
break ;
case '6' :
fclose (fp) ;
printf("\n\n");
/* textcolor(YELLOW+BLINK); */
printf(" Thank You For Using This Program !!! ");
printf("\n\n");
system("PAUSE");
exit(0);
}
}
} /* End of Code */
