protected override void Seed(MyDbContext context)
{
Book b1 = new Book()
{
Title = "Titanik"
};
Book b2 = new Book()
{
Title = "Book"
};
Sage s1 = new Sage()
{
Name = "Bob", Age = new DateTime(2000, 1, 12)
};
Sage s2 = new Sage()
{
Name = "Jack", Age = new DateTime(1969, 4, 22)
};
s1.Books.Add(b1);
s2.Books.Add(b2);
context.Books.Add(b1);
context.Books.Add(b2);
context.Sages.Add(s1);
context.Sages.Add(s2);
context.SaveChanges();
}
private void DELETEtoolStripButton_Click(object sender, EventArgs e)
{
try
{
using (MyDbContext cnt = new MyDbContext())
{
if (toolStripComboBox1.Text == "Book")
{
if (dataGridView1.SelectedCells.Count > 0)
{
int findID = Convert.ToInt32(dataGridView1.SelectedCells[0].Value);
var res = cnt.Books.Where(x => x.Id == findID).FirstOrDefault();
cnt.Books.Remove(res);
cnt.SaveChanges();
myRefresh();
}
}
if (toolStripComboBox1.Text == "Sage")
{
int findID = Convert.ToInt32(dataGridView1.SelectedCells[0].Value);
var res = cnt.Sages.Where(x => x.Id == findID).FirstOrDefault();
cnt.Sages.Remove(res);
cnt.SaveChanges();
myRefresh();
}
if (toolStripComboBox1.Text == "SageBook")
{
int BookTitle = Convert.ToInt32(dataGridView1.SelectedCells[0].Value);
int SageName = Convert.ToInt32(dataGridView1.SelectedCells[1].Value);
Book bToDelete = cnt.Books.First(x => x.Id == BookTitle);
Sage sToDelete = cnt.Sages.First(x => x.Id == SageName);
sToDelete.Books.Remove(bToDelete);
cnt.SaveChanges();
myRefresh();
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void Form2_Load(object sender, EventArgs e)
{
try
{
if (toSearch == -1)
{
if (fromComboBox == "Sage")
{
label1.Text = "Name: ";
label2.Text = "Age: ";
comboBox1.Visible = false;
comboBox2.Visible = false;
}
if (fromComboBox == "Book")
{
label1.Visible = false;
textBox1.Visible = false;
label2.Text = "Title: ";
comboBox1.Visible = false;
comboBox2.Visible = false;
}
if (fromComboBox == "SageBook")
{
label1.Text = "Book: ";
label2.Text = "Sage: ";
textBox1.Visible = false;
textBox2.Visible = false;
using (MyDbContext cnt = new MyDbContext())
{
comboBox1.DataSource = cnt.Books.Select(x => x.Id).ToList();
comboBox2.DataSource = cnt.Sages.Select(x => x.Id).ToList();
}
}
}
else
{
using (MyDbContext cnt = new MyDbContext())
{
if (fromComboBox == "Sage")
{
label1.Text = "Name: ";
label2.Text = "Age: ";
s = cnt.Sages.First(x => x.Id == toSearch);
textBox1.Text = s.Name;
textBox2.Text = Convert.ToString(s.Age.ToShortDateString());
comboBox1.Visible = false;
comboBox2.Visible = false;
}
if (fromComboBox == "Book")
{
label1.Visible = false;
textBox1.Visible = false;
label2.Text = "Title: ";
b = cnt.Books.First(x => x.Id == toSearch);
textBox2.Text = b.Title;
comboBox1.Visible = false;
comboBox2.Visible = false;
}
if (fromComboBox == "SageBook")
{
label1.Text = "Book: ";
label2.Text = "Sage: ";
textBox1.Visible = false;
textBox2.Visible = false;
comboBox1.DataSource = cnt.Books.Select(x => x.Id).ToList();
comboBox2.DataSource = cnt.Sages.Select(x => x.Id).ToList();
comboBox1.Text = toSearch.ToString();
comboBox2.Text = toSearchSageBook.ToString();
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void buttonOkay_Click(object sender, EventArgs e)
{
try
{
using (MyDbContext cnt = new MyDbContext())
{
if (toSearch == -1)
{
if (fromComboBox == "Sage")
{
cnt.Sages.Add(new Sage()
{
Name = textBox1.Text, Age = DateTime.Parse(textBox2.Text)
});
cnt.SaveChanges();
this.Close();
}
if (fromComboBox == "Book")
{
cnt.Books.Add(new Book()
{
Title = textBox2.Text
});
cnt.SaveChanges();
this.Close();
}
if (fromComboBox == "SageBook")
{
int bID = Convert.ToInt32(comboBox1.Text);
int sID = Convert.ToInt32(comboBox2.Text);
Book b = cnt.Books.First(x => x.Id == bID);
Sage s = cnt.Sages.First(x => x.Id == sID);
s.Books.Add(b);
cnt.SaveChanges();
this.Close();
}
}
else
{
if (fromComboBox == "Sage")
{
s = cnt.Sages.First(x => x.Id == toSearch);
s.Name = textBox1.Text;
s.Age = DateTime.Parse(textBox2.Text);
cnt.SaveChanges();
this.Close();
}
if (fromComboBox == "Book")
{
b = cnt.Books.First(x => x.Id == toSearch);
b.Title = textBox2.Text;
cnt.SaveChanges();
this.Close();
}
if (fromComboBox == "SageBook")
{
int bID = Convert.ToInt32(comboBox1.Text);
int sID = Convert.ToInt32(comboBox2.Text);
cnt.Sages.Find(toSearchSageBook).Books.Remove(cnt.Books.Find(toSearch));
cnt.Sages.Find(sID).Books.Add(cnt.Books.Find(bID));
cnt.SaveChanges();
this.Close();
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
