public void EditCourse(COURSE course, onQueryComplete onComplete)
{
ctx.UpdateObject(course);
this.onUQC = onComplete;
ctx.BeginSaveChanges(onQueryComplete2, null);
}
/// <summary>
/// Handles the 1 event of the beginButton_Click control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="RoutedEventArgs"/> instance containing the event data.</param>
private async void beginButton_Click_1(object sender, RoutedEventArgs e)
{
Button bt = sender as Button;
if (bt.Content.ToString() == "Start Learning!")
{
Constants.coursing.NavigateToLecture();
}
else if (bt.Content.ToString() == "Edit Course")
{
try
{
DataServiceQuery<COURSE> dsq = (DataServiceQuery<COURSE>)(from c in ctx.COURSE
where c.ID == course.ID
select c);
TaskFactory<IEnumerable<COURSE>> tf = new TaskFactory<IEnumerable<COURSE>>();
editCourse = (await tf.FromAsync(dsq.BeginExecute(null, null), iar => dsq.EndExecute(iar))).FirstOrDefault();
}
catch
{
ShowMessageDialog("Network connection error.31");
return;
}
courseTitle.Text = editCourse.TITLE;
price.Text = editCourse.PRICE.ToString();
courseContent.Text = editCourse.INTRO;
EditCoursePopup.IsOpen = true;
}
}