private void Acceptchangebtn_Click(object sender, RoutedEventArgs e) { //sends data in textboxes to SQL database choice.setCourseId(courseidtxtbox.Text); choice.setName(coursenametxtbox.Text); choice.setCourseDesc(descriptiontxtbox.Text); choice.setCreditHours(Convert.ToInt32(credithourstxtbox.Text)); choice.setClassSize(Convert.ToInt32(classsizetxtbox.Text)); choice.setStudentsRegistered(Convert.ToInt32(registeredtxtbox.Text)); SqlCommand courseUpdateQuery = new SqlCommand("UPDATE classes SET courseId = '" + choice.getCourseId() + "', name = '" + choice.getName() + "', credithours = " + choice.getCreditHours() + ", classSize = " + choice.getClassSize() + ", studentsRegistered = " + choice.getStudentsRegistered() + ", courseDescription = '" + choice.getCourseDesc() + "' WHERE courseId = '" + choice.getCourseId() + "'", clsDB.Get_DB_Connection()); courseUpdateQuery.ExecuteNonQuery(); clsDB.Close_DB_Connection(); MessageBox.Show(choice.getCourseId() + " was successfully updated."); }
private void ComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { for (int i = 0; i < comboBox.Items.Count; i++) { if (courses[i].getCourseId() == (string)comboBox.Items.CurrentItem) { course = courses[i]; string courseIdSelected = courses[i].getCourseId(); Course currentSelection = courses[i]; string courseDesc = currentSelection.getCourseDesc(); this.courseIdtxtblk.Text = currentSelection.getCourseId(); this.coursedesctxtblk.Text = courseDesc; this.seatsremainingtxtblk.Text = (currentSelection.getClassSize() - currentSelection.getStudentsRegistered()).ToString(); this.credithourstxtblk.Text = currentSelection.getCreditHours().ToString(); } } }