private void buttonAdd_Click(object sender, EventArgs e)
{
try
{
PointsSet pointset = new PointsSet();
if (comboBoxStudent.SelectedItem != null)
{
pointset.IdStudent = Convert.ToInt32(comboBoxStudent.SelectedItem.ToString().Split('.')[0]);
}
if (comboBoxLesson.SelectedItem != null)
{
pointset.IdLesson = Convert.ToInt32(comboBoxLesson.SelectedItem.ToString().Split('.')[0]);
}
if (textBoxPoint.Text != "")
{
pointset.Point = Convert.ToDouble(textBoxPoint.Text);
}
Program.EduDb.PointsSet.Add(pointset);
Program.EduDb.SaveChanges();
}
catch
{
{ MessageBox.Show("Данные не выбраны", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error); }
}
ShowPoints();
}
private void buttonEdit_Click(object sender, EventArgs e)
{
if ((comboBoxStudent.SelectedItem != null) && (comboBoxLesson.SelectedItem != null) &&
(textBoxPoint.Text != ""))
{
if (listViewPoint.SelectedItems.Count == 1)
{
PointsSet pointset = listViewPoint.SelectedItems[0].Tag as PointsSet;
if (comboBoxStudent.SelectedItem != null)
{
pointset.IdStudent = Convert.ToInt32(comboBoxStudent.SelectedItem.ToString().Split('.')[0]);
}
if (comboBoxLesson.SelectedItem != null)
{
pointset.IdLesson = Convert.ToInt32(comboBoxLesson.SelectedItem.ToString().Split('.')[0]);
}
if (textBoxPoint.Text != "")
{
pointset.Point = Convert.ToDouble(textBoxPoint.Text);
}
Program.EduDb.SaveChanges();
ShowPoints();
}
}
else
{
MessageBox.Show("Данные не выбраны", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void listViewPoint_SelectedIndexChanged(object sender, EventArgs e)
{
if (listViewPoint.SelectedItems.Count == 1)
{
PointsSet pointset = listViewPoint.SelectedItems[0].Tag as PointsSet;
comboBoxStudent.SelectedIndex = comboBoxStudent.FindString(pointset.IdStudent.ToString());
comboBoxLesson.SelectedIndex = comboBoxLesson.FindString(pointset.IdLesson.ToString());
textBoxPoint.Text = pointset.Point.ToString();
}
else
{
textBoxPoint.Text = "";
comboBoxStudent.SelectedItem = null;
comboBoxLesson.SelectedItem = null;
}
}
private void buttonDel_Click(object sender, EventArgs e)
{
try
{
if (listViewPoint.SelectedItems.Count == 1)
{
PointsSet pointset = listViewPoint.SelectedItems[0].Tag as PointsSet;
Program.EduDb.PointsSet.Remove(pointset);
Program.EduDb.SaveChanges();
ShowPoints();
}
textBoxPoint.Text = "";
comboBoxStudent.SelectedItem = null;
comboBoxLesson.SelectedItem = null;
}
catch
{
MessageBox.Show("Невозможно удалить, эта запись используется", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}