private void button_RemovePressform_Click(object sender, EventArgs e)
{
if (comboBox_Pressform.SelectedValue == null)
{
return;
}
int id = (int)comboBox_Pressform.SelectedValue;
try
{
using (DBContext dbContext = new DBContext())
{
Pressform pressform = dbContext.Pressforms.Where(d => d.Id == id).Single();
int countPressforms = dbContext.Data.Where(d => d.Pressform.Id == id).Count();
if (countPressforms == 0)
{
dbContext.Pressforms.Remove(pressform);
dbContext.SaveChanges();
}
else
{
Common.ShowErrorMessage("Эта прессформа уже используется");
return;
}
}
}
catch (Exception ex)
{
Common.ShowErrorMessage(ex.ToString());
}
Common.ShowInfoMessage("Прессформа удалена");
}
private void button_AddPressform_Click(object sender, EventArgs e)
{
if (comboBox_Pressform.SelectedValue == null)
{
return;
}
Pressform pressForm = new Pressform();
pressForm.Name = comboBox_Pressform.Text;
using (DBContext dbContext = new DBContext())
{
dbContext.Pressforms.Add(pressForm);
try
{
dbContext.SaveChanges();
}
catch (Exception ex)
{
Common.ShowErrorMessage(ex.ToString());
return;
}
}
Common.ShowInfoMessage("Прессформа добавлена");
comboBox_Pressform.SelectedIndex = -1;
}