public override void Delete()
{
try
{
var item = DataBase.ProductsList.SingleOrDefault(x => x.ID == int.Parse(TxtIdPro.Text));
if (item != null)
{
MessageBox.Show(TxtDesPro.Text + " Has been Successfully deleted");
DataBase.ProductsList.Remove(item);
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
}
else
{
MessageBox.Show(TxtDesPro.Text + " Is not in Our stock");
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
}
}catch (Exception error)
{
MessageBox.Show("Error" + error);
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
}
//DataBase.ProductsList.RemoveAll(x => x.ID == int.Parse(TxtIdPro.Text));
/*foreach (var c in DataBase.ProductsList)
* {
* if (c.ID == int.Parse(TxtIdPro.Text))
* {
* MessageBox.Show(TxtDesPro.Text + " Has been Successfully deleted");
* DataBase.ProductsList.Remove(c);
*
* }
* else
* {
* MessageBox.Show(TxtDesPro.Text + " Is not in Our stock");
* }
* }*/
}
public override Boolean Save()
{
if (string.IsNullOrWhiteSpace(TxtIdPro.Text) || string.IsNullOrWhiteSpace(TxtDesPro.Text) || string.IsNullOrWhiteSpace(TxtPricePro.Text))
{
MessageBox.Show("All fields are mandatory", "error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
else
{
var item = DataBase.ProductsList.SingleOrDefault(x => x.ID == int.Parse(TxtIdPro.Text));
if (item == null)
{
try
{
DataBase.ProductsList.Add(new Products(int.Parse(TxtIdPro.Text), TxtDesPro.Text, double.Parse(TxtPricePro.Text), int.Parse(TxtStock.Text)));
MessageBox.Show(TxtDesPro.Text + " has been successfully saved ");
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
return(true);
}
catch (Exception error)
{
MessageBox.Show("Error" + error);
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
return(false);
}
}
else
{
MessageBox.Show("A product with ID " + TxtIdPro.Text + " is already in Our Data Base");
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
return(false);
}
}
}
private void button4_Click(object sender, EventArgs e)
{
if (string.IsNullOrWhiteSpace(TxtIdPro.Text) || string.IsNullOrWhiteSpace(TxtDesPro.Text) || string.IsNullOrWhiteSpace(TxtPricePro.Text))
{
MessageBox.Show("All fields are mandatory", "error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
try
{
var item = DataBase.ProductsList.SingleOrDefault(x => x.ID == int.Parse(TxtIdPro.Text));
if (item != null)
{
MessageBox.Show(TxtDesPro.Text + " Has been Successfully Updated");
item.ID = int.Parse(TxtIdPro.Text);
item.Description = TxtDesPro.Text;
item.Price = double.Parse(TxtPricePro.Text);
item.Stock = int.Parse(TxtStock.Text);
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
}
else
{
MessageBox.Show(" You cannot Update or change the product ID");
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
}
}
catch (Exception error)
{
MessageBox.Show("Error" + error);
TxtIdPro.Text = "";
TxtDesPro.Text = "";
TxtPricePro.Text = "";
TxtIdPro.Focus();
}
}
}
