protected void btn_savenewcourse_Click(object sender, EventArgs e)
{
var course = new EntityFrameworkProject.Courses();
if (ddl_teachers.SelectedValue != "-1" && ddl_education.SelectedValue != "-1")
{
course.CourseName = txtbox_newcourse.Text;
course.Education_Id = int.Parse(ddl_education.SelectedValue);
course.Grade = "IG - MVG";
course.Staff_Id = int.Parse(ddl_teachers.SelectedValue);
cc.InsertorUpdateCourse(course);
Response.Redirect($"Course");
}
}
public Courses CourseByID(int id)
{
Courses course = ctx.Courses.Where(x => x.Id == id).FirstOrDefault();
return(course);
}
public void RemoveCourse(Courses course)
{
ctx.Courses.Attach(course);
ctx.Courses.Remove(course);
ctx.SaveChanges();
}
public void UpdateCourse(Courses course)
{
ctx.Entry(course).State = EntityState.Modified;
ctx.SaveChanges();
}
public void InsertorUpdateCourse(Courses course)
{
ctx.Courses.Add(course);
ctx.SaveChanges();
}