public static int UpdateStudent(Student Obj_Student_Update)
{
try
{
using (EducationalInstituteEntities db = new EducationalInstituteEntities())
{
//Lambda expression
Student c = db.Students.SingleOrDefault(x => x.ID == Obj_Student_Update.ID);
c.Name = Obj_Student_Update.Name;
c.FatherName = Obj_Student_Update.FatherName;
c.Address = Obj_Student_Update.Address;
c.Email = Obj_Student_Update.Email;
c.Mobile = Obj_Student_Update.Mobile;
c.DOB = Obj_Student_Update.DOB;
c.CourseID = Obj_Student_Update.CourseID;
c.TeacherID = Obj_Student_Update.TeacherID;
db.SaveChanges();
return(Obj_Student_Update.ID);
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void SaveTeachers(Teacher Obj_Teacher_Save)//This is Add method.
{
try
{
using (EducationalInstituteEntities db = new EducationalInstituteEntities())
{
db.Teachers.Add(Obj_Teacher_Save);
db.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void SaveCourses(Course Obj_Course_Save)//This is Add method.
{
try
{
using (EducationalInstituteEntities db = new EducationalInstituteEntities())
{
db.Courses.Add(Obj_Course_Save);
db.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void SaveStudents(Student Obj_Student_Save)//This is Add method.
{
try
{
using (EducationalInstituteEntities db = new EducationalInstituteEntities())
{
db.Students.Add(Obj_Student_Save);
db.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static int UpdateCourse(Course Obj_Course_Update)
{
try
{
using (EducationalInstituteEntities db = new EducationalInstituteEntities())
{
//Lambda expression
Course c = db.Courses.SingleOrDefault(x => x.ID == Obj_Course_Update.ID);
c.CourseName = Obj_Course_Update.CourseName;
db.SaveChanges();
return(Obj_Course_Update.ID);
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void DeleteTeacher(string Obj_Teacher_Delete)
{
try
{
using (EducationalInstituteEntities db = new EducationalInstituteEntities())
{
//Lambda expression
Teacher c = db.Teachers.SingleOrDefault(x => x.ID.ToString().Trim() == Obj_Teacher_Delete.Trim());
if (c != null)
{
db.Teachers.Remove(c);
db.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static int UpdateTeacher(Teacher Obj_Teacher_Update)
{
try
{
using (EducationalInstituteEntities db = new EducationalInstituteEntities())
{
//Lambda expression
Teacher c = db.Teachers.SingleOrDefault(x => x.ID == Obj_Teacher_Update.ID);
c.Name = Obj_Teacher_Update.Name;
c.FatherName = Obj_Teacher_Update.FatherName;
c.Address = Obj_Teacher_Update.Address;
c.Email = Obj_Teacher_Update.Email;
c.Mobile = Obj_Teacher_Update.Mobile;
db.SaveChanges();
return(Obj_Teacher_Update.ID);
}
}
catch (Exception ex)
{
throw ex;
}
}