private void instructorss_Loaded(object sender, RoutedEventArgs e)
{
var query =
(from instructorInfo in context3.instructors
select instructorInfo).ToList();
List <showInstrctor> instructorclass = new List <showInstrctor>();
var query2 =
(from c in context3.branches
select c).ToList();
foreach (var item in query)
{
showInstrctor inst = new showInstrctor();
inst.Salary = item.Salary;
inst.Branchid = item.Branchid;
inst.FirstName = item.FirstName;
foreach (var item2 in query2)
{
if (item.Branchid == item2.BranchId)
{
inst.Branchname = item2.Name;
}
}
instructorclass.Add(inst);
}
foreach (var item in instructorclass)
{
instructorss.Items.Add(item);
}
}
private void removeinstructor_Click(object sender, RoutedEventArgs e)
{
try
{
decimal x = decimal.Parse(salaryName.Text.ToString());
int query =
(from c in context3.branches
where c.Name == branchName.SelectedItem.ToString()
select c.BranchId).FirstOrDefault();
instructor deleteinstructor =
(from ins in context3.instructors
where ins.FirstName == instructorname.Text.ToString() && ins.Salary == x &&
ins.Branchid == query
select ins).FirstOrDefault();
context3.instructors.Remove(deleteinstructor);
context3.SaveChanges();
showInstrctor removeFromList = new showInstrctor();
removeFromList.FirstName = instructorname.Text.ToString();
removeFromList.Branchname = branchName.SelectedItem.ToString();
removeFromList.Salary = x;
instructorss.Items.Remove(removeFromList);
}
catch (Exception d)
{
MessageBox.Show("invalid inputs");
}
}
private void updateinstructor_Click(object sender, RoutedEventArgs e)
{
showInstrctor updated = new showInstrctor();
updated = instructorss.SelectedItem as showInstrctor;
int query =
(from c in context3.branches
where c.Name == branchName.SelectedItem.ToString()
select c.BranchId).FirstOrDefault();
int query2 =
(from c in context3.branches
where c.Name == updated.Branchname
select c.BranchId).FirstOrDefault();
instructor deleteinstructor =
(from ins in context3.instructors
where ins.FirstName == updated.FirstName && ins.Salary == updated.Salary &&
ins.Branchid == query2
select ins).FirstOrDefault();
decimal x = decimal.Parse(salaryName.Text.ToString());
deleteinstructor.FirstName = instructorname.Text.ToString();
deleteinstructor.Salary = x;
deleteinstructor.Branchid = query;
context3.SaveChanges();
}
private void instructorss_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
showInstrctor up = new showInstrctor();
up = instructorss.SelectedItem as showInstrctor;
instructorname.Text = up.FirstName;
branchName.SelectedItem = up.Branchname;
salaryName.Text = up.Salary.ToString();
}
private void addinstructor_Click(object sender, RoutedEventArgs e)
{
try
{
showInstrctor newinst = new showInstrctor();
newinst.FirstName = instructorname.Text.ToString();
newinst.Branchname = branchName.SelectedItem.ToString();
newinst.Salary = decimal.Parse(salaryName.Text.ToString());
instructor NewInstructorWasAdded = new instructor();
user NewUserWasAdded = new user();
NewUserWasAdded.Password = newinst.FirstName;
NewUserWasAdded.Type = "instructor";
NewUserWasAdded.Email = newinst.FirstName + "@gmail.com";
context3.users.Add(NewUserWasAdded);
context3.SaveChanges();
int query =
(from c in context3.branches
where c.Name == newinst.Branchname
select c.BranchId).FirstOrDefault();
instructor newInstructorIsAdded = new instructor();
newInstructorIsAdded.InsEmail = NewUserWasAdded.Email;
newInstructorIsAdded.ManagerId = 1;
newInstructorIsAdded.FirstName = newinst.FirstName;
newInstructorIsAdded.LastName = newinst.FirstName;
newInstructorIsAdded.MaritalStatus = "married";
newInstructorIsAdded.BirthDate = DateTime.Now;
newInstructorIsAdded.HireDate = DateTime.Now;
newInstructorIsAdded.Job = "instructor";
newInstructorIsAdded.Salary = newinst.Salary;
newInstructorIsAdded.Branchid = query;
context3.instructors.Add(newInstructorIsAdded);
context3.SaveChanges();
instructorss.Items.Add(newinst);
}
catch (Exception u)
{
MessageBox.Show("inavlid inputs");
}
}
