private void getFac_button_Click(object sender, EventArgs e)
{
using (var db = new MyModelContainer())
{
var query = from f in db.FacultySet
select f;
console.Text += "\r\n" + query;
console.Text += "\r\n";
console.Text += "\r\n ---Facultys--- \r\n";
foreach (var fac in query)
{
console.Text += fac.Id + " " + fac.Name + "\r\n";
}
console.Text += "------------------------------------------------------\r\n";
}
}
private void getStud_button_Click(object sender, EventArgs e)
{
using (var db = new MyModelContainer())
{
var query = from s in db.StudentSet
select s;
console.Text += "\r\n" + query;
console.Text += "\r\n";
console.Text += "\r\n ---Students--- \r\n";
foreach (var st in query)
{
console.Text += st.Id + " " + st.Year + " " + st.Fio + "\r\n";
}
console.Text += "------------------------------------------------------\r\n";
}
}
private void resetButton_Click(object sender, EventArgs e)
{
var db = new MyModelContainer();
//DBCC CHECKIDENT(StudentSet, RESEED, 0)
//DBCC CHECKIDENT(SpecialtySet, RESEED, 0)
//DBCC CHECKIDENT(FacultySet, RESEED, 0)
db.Database.ExecuteSqlCommand("DBCC CHECKIDENT (StudentSet, RESEED, 0)");
db.Database.ExecuteSqlCommand("DBCC CHECKIDENT (SpecialtySet, RESEED, 0)");
db.Database.ExecuteSqlCommand("DBCC CHECKIDENT (FacultySet, RESEED, 0)");
db.SaveChanges();
//очистка содержимого
db.StudentSet.RemoveRange(db.StudentSet);
db.SpecialtySet.RemoveRange(db.SpecialtySet);
db.FacultySet.RemoveRange(db.FacultySet);
db.SaveChanges();
}
private void getSpec_button_Click(object sender, EventArgs e)
{
using (var db = new MyModelContainer())
{
var query = from s in db.SpecialtySet
select s;
console.Text += "\r\n" + query;
console.Text += "\r\n";
console.Text += "\r\n ---Specialtys--- \r\n";
foreach (var sp in query)
{
console.Text += sp.Id + " " + sp.Name + "\r\n";
}
console.Text += "------------------------------------------------------\r\n";
}
}
private void addTestDataButton_Click(object sender, EventArgs e)
{
var db = new MyModelContainer();
var fac1 = new Faculty()
{
Id = 1, Name = "fac1"
};
var fac2 = new Faculty()
{
Id = 2, Name = "fac2"
};
var specialty1 = new Specialty()
{
Faculty = fac1, Name = "specialty1"
};
var specialty2 = new Specialty()
{
Faculty = fac1, Name = "specialty2"
};
var specialty3 = new Specialty()
{
Faculty = fac2, Name = "specialty3"
};
var student1 = new Student()
{
Adr = "adr1", Fio = "fio1", Phone = "phone1", Year = "2001", Specialty = specialty1
};
var student2 = new Student()
{
Adr = "adr2", Fio = "fio2", Phone = "phone2", Year = "2001", Specialty = specialty1
};
var student3 = new Student()
{
Adr = "adr3", Fio = "fio3", Phone = "phone3", Year = "2002", Specialty = specialty1
};
var student4 = new Student()
{
Adr = "adr4", Fio = "fio4", Phone = "phone4", Year = "2003", Specialty = specialty2
};
var student5 = new Student()
{
Adr = "adr5", Fio = "fio5", Phone = "phone4", Year = "2002", Specialty = specialty2
};
var student6 = new Student()
{
Adr = "adr6", Fio = "fio6", Phone = "phone6", Year = "2002", Specialty = specialty3
};
var student7 = new Student()
{
Adr = "adr7", Fio = "fio7", Phone = "phone7", Year = "2002", Specialty = specialty3
};
db.StudentSet.Add(student1);
db.StudentSet.Add(student2);
db.StudentSet.Add(student3);
db.StudentSet.Add(student4);
db.StudentSet.Add(student5);
db.StudentSet.Add(student6);
db.StudentSet.Add(student7);
db.SaveChanges();
}
private void doReportButton_Click(object sender, EventArgs e)
{
using (var db = new MyModelContainer()) {
string query = "SELECT st.year, f.name, COUNT(st.Id) as total \r\n" +
"FROM FacultySet f " +
"JOIN SpecialtySet sp on f.Id = sp.Faculty_Id \r\n" +
"JOIN StudentSet st on st.Specialty_Id = sp.Id \r\n" +
"GROUP BY \r\n" +
"ROLLUP(st.year, f.name)";
var res = db.Database.SqlQuery <Report>(query);
//SELECT st.year, f.name, COUNT(st.Id) as total
//FROM FacultySet f
//JOIN SpecialtySet sp on f.Id = sp.Faculty_Id
//JOIN StudentSet st on st.Specialty_Id = sp.Id
//GROUP BY
//rollup(st.year, f.name)
string year, fac;
int count;
console.Text += "\r\n" + query;
console.Text += "\r\n";
console.Text += "\r\n ---Report--- \r\n";
foreach (var r in res)
{
year = r.Year;
fac = r.name;
count = r.total;
if (fac == null)
{
console.Text += year + " Total: " + count;
}
else if (fac == null && year == null)
{
console.Text += "Total: " + count;
}
else
{
console.Text += r.Year + " " + r.name + " " + r.total;
}
console.Text += "\r\n";
}
//foreach (var q in facResCount)
//{
// console.Text += q.Key + " " + q.Count() + "\r\n";
// //console.Text += q.Year + " " + q.Name +" " +q.Count + "\r\n";
//}
console.Text += "------------------------------------------------------\r\n";
}
}
