private void Button3_Click(object sender, EventArgs e)
{
using (DBEntities2 db = new DBEntities2())
{
karlitos_products edit = new karlitos_products();
int id;
if (int.TryParse(textBox1.Text, out int x))
{
id = int.Parse(textBox1.Text);
if (db.karlitos_products.Where(a => a.ProductId == id).Count() == 1)
{
//Console.WriteLine(db.karlitos_products.Where(a => a.ProductId == id).Count());
edit = db.karlitos_products.Where(a => a.ProductId == id).First();
textBox5.Text = edit.ProductName;
textBox2.Text = edit.SerialNumber;
textBox3.Text = edit.Color;
textBox4.Text = edit.Price.ToString();
comboBox1.Text = "";
comboBox1.SelectedText = edit.Type;
numericUpDown1.Value = decimal.Parse(edit.QTY.ToString());
}
else
{
id = int.Parse(textBox1.Text);
MessageBox.Show("Product with id = " + id + " was not found");
}
}
else
{
MessageBox.Show("Id must be a number");
}
}
}
public void SearchByType(string abc)
{
using (DBEntities2 db = new DBEntities2())
{
dataGridView1.DataSource = db.karlitos_products.Where(a => a.Type.Contains(abc)).ToList();
}
}
private void Button1_Click(object sender, EventArgs e)
{
using (DBEntities2 db = new DBEntities2())
{
if (textBox1.Text != "")
{
karlitos_products edit = new karlitos_products();
int id = int.Parse(textBox1.Text);
edit = db.karlitos_products.Where(a => a.ProductId == id).First();
if (double.TryParse(textBox4.Text, out double x) == false)
{
MessageBox.Show("Invalid price format");
}
else
{
edit.ProductName = textBox5.Text;
edit.SerialNumber = textBox2.Text;
edit.Color = textBox3.Text;
edit.Price = double.Parse(textBox4.Text);
edit.Type = comboBox1.Text;
edit.QTY = long.Parse(numericUpDown1.Value.ToString());
db.SaveChanges();
this.Close();
}
}
else
{
MessageBox.Show("First select id to edit");
}
}
}
private void Button4_Click(object sender, EventArgs e)
{
using (DBEntities2 db = new DBEntities2())
{
karlitos_users add = new karlitos_users();
int user = db.karlitos_users.Where(a => a.Username == textBox5.Text).Count();
if (textBox3.Text == textBox4.Text)
{
if (user != 0)
{
MessageBox.Show("Username is already in use");
textBox5.Clear();
textBox3.Clear();
textBox4.Clear();
}
else
{
add.Username = textBox5.Text;
add.Password = textBox3.Text;
db.karlitos_users.Add(add);
db.SaveChanges();
panel1.Hide();
}
}
else
{
textBox3.Clear();
textBox4.Clear();
MessageBox.Show("Passwords must match");
}
}
}
public bool login()
{
using (DBEntities2 db = new DBEntities2())
{
var user = db.karlitos_users.FirstOrDefault(u => u.Username == textBox1.Text);
if (user != null)
{
if (user.Password == textBox2.Text)
{
MessageBox.Show("Login succesfull");
return(true);
}
else
{
MessageBox.Show("Wrong password");
return(false);
}
}
else
{
MessageBox.Show("No user found");
return(false);
}
}
}
public void odswiezgrida()
{
dataGridView1.AutoGenerateColumns = false;
using (DBEntities2 db = new DBEntities2())
{
dataGridView1.DataSource = db.karlitos_products.ToList();
dataGridView2.DataSource = db.karlitos_products.Where(a => a.Type == "Smartphone").ToList();
dataGridView3.DataSource = db.karlitos_products.Where(a => a.Type == "Tv").ToList();
dataGridView4.DataSource = db.karlitos_products.Where(a => a.Type == "Laptop").ToList();
}
}
private void Button4_Click(object sender, EventArgs e)
{
using (DBEntities2 db = new DBEntities2())
{
if (textBox1.Text != "")
{
karlitos_products del = new karlitos_products();
int id = int.Parse(textBox1.Text);
del = db.karlitos_products.Where(a => a.ProductId == id).First();
db.karlitos_products.Remove(del);
db.SaveChanges();
MessageBox.Show("Product deleted");
this.Close();
}
else
{
MessageBox.Show("First select id to delete");
}
}
}
private void Button1_Click(object sender, EventArgs e)
{
using (DBEntities2 db = new DBEntities2())
{
karlitos_products addnew = new karlitos_products();
if (textBox1.Text != "" || textBox2.Text != "" || comboBox1.Text != "")
{
addnew.ProductName = textBox1.Text;
addnew.SerialNumber = textBox2.Text;
addnew.Color = textBox3.Text;
if (float.TryParse(textBox4.Text, out float n))
{
addnew.Price = float.Parse(textBox4.Text);
}
else
{
MessageBox.Show("Invalid price format." + "\nPrice was set to 0.");
addnew.Price = 0;
}
addnew.Type = comboBox1.Text;
addnew.QTY = long.Parse(numericUpDown1.Value.ToString());
db.karlitos_products.Add(addnew);
db.SaveChanges();
MessageBox.Show("Product added successfully");
textBox1.Clear();
textBox2.Clear();
textBox3.Clear();
textBox4.Clear();
comboBox1.Text = "";
numericUpDown1.Value = 0;
}
else
{
MessageBox.Show("Product was not added please fix any errors and try again");
}
}
}
