public void GridViewLectures_DeleteItem(int id)
{
var context = new AcademyDbContext();
Forum.Models.Lecture item = context.Lectures.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
ErrorSuccessNotifier.AddErrorMessage("The lecture was not found.");
return;
}
try
{
context.Lectures.Remove(item);
context.SaveChanges();
this.GridViewLectures.SelectMethod = "GridViewLectures_GetData";
this.GridViewLectures.DataBind();
ErrorSuccessNotifier.AddInfoMessage("Lecture deleted successfully.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex.Message);
}
}
protected void LinkButtonEmptyLectureInsert_Click(object sender, EventArgs e)
{
int courseId = Convert.ToInt32(this.RouteData.Values["courseId"]);
var table = (sender as LinkButton).Parent;
string title = (table.FindControl("TextBoxEmptyLectureTitleInsert") as TextBox).Text;
string description = (table.FindControl("TextBoxEmptyLectureLocationInsert") as TextBox).Text;
string location = (table.FindControl("TextBoxEmptyLectureLocationInsert") as TextBox).Text;
DateTime homeworkDueDate = DateTime.Parse((table.FindControl("TextBoxEmptyHomeworkDue") as TextBox).Text);
var context = new AcademyDbContext();
var course = context.Courses.Find(courseId);
var lecture = new Forum.Models.Lecture()
{
Title = title,
Location = location,
HomeworkDueDate = homeworkDueDate
};
context.Lectures.Add(lecture);
try
{
context.SaveChanges();
lecture.Course = course;
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("Lecture created successfully.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex.Message);
}
this.GridViewLectures.SelectMethod = "GridViewLectures_GetData";
this.GridViewLectures.DataBind();
}
public void GridViewLectures_UpdateItem(int id)
{
var context = new AcademyDbContext();
Forum.Models.Lecture item = context.Lectures.Find(id);
if (item == null)
{
ModelState.AddModelError("", String.Format("Item with id {0} was not found", id));
return;
}
TryUpdateModel(item);
if (ModelState.IsValid)
{
context.SaveChanges();
ErrorSuccessNotifier.AddInfoMessage("Lecture updated successfully.");
}
else
{
ErrorSuccessNotifier.AddErrorMessage("There was an error updating the lecture. Please try again.");
}
}
protected void ButtonInsertLecture_Click(object sender, EventArgs e)
{
int courseId = Convert.ToInt32(this.RouteData.Values["courseId"]);
string title = (this.GridViewLectures.FooterRow.FindControl("TextBoxInsertTitle") as TextBox).Text;
string location = (this.GridViewLectures.FooterRow.FindControl("TextBoxInsertLocation") as TextBox).Text;
DateTime homeworkDueDate = DateTime.Parse((this.GridViewLectures.FooterRow.FindControl("TextBoxInsertHomeworkDue") as TextBox).Text);
var context = new AcademyDbContext();
var course = context.Courses.Find(courseId);
var lecture = new Forum.Models.Lecture()
{
Title = title,
Location = location,
HomeworkDueDate = homeworkDueDate
};
context.Lectures.Add(lecture);
try
{
context.SaveChanges();
lecture.Course = course;
context.SaveChanges();
ErrorSuccessNotifier.AddSuccessMessage("Lecture created successfully.");
}
catch (Exception ex)
{
ErrorSuccessNotifier.AddErrorMessage(ex.Message);
}
this.GridViewLectures.SelectMethod = "GridViewLectures_GetData";
this.GridViewLectures.DataBind();
}