private void addButton_Click(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(itemNameTextBox.Text))
{
if (!string.IsNullOrEmpty(itemPriceTextBox.Text))
{
if (!_mangerItem.IsNameExist(itemNameTextBox.Text))
{
bool isAdded = _mangerItem.AddItem(itemNameTextBox.Text, Convert.ToDouble(itemPriceTextBox.Text));
if (isAdded)
{
MessageBox.Show("Saved");
displayDataGridView.DataSource = _mangerItem.ShowAllInformation();
}
else
{
MessageBox.Show("Not Saved");
}
}
else
{
MessageBox.Show(itemNameTextBox + "Name Alraedy Exist");
return;
}
}
else
{
MessageBox.Show("Price is Empty");
}
}
else
{
MessageBox.Show("name is empty");
}
}
