private void AddItemButton_Click(object sender, EventArgs e)
{
try
{
itemPrice = Convert.ToDouble(itemPrice_Str); // try convert to double
ListViewItem searchItem = null;
int index = 0;
bool itemExist = false;
do
{
if (index < ItemLV.Items.Count)
{
searchItem = ItemLV.FindItemWithText(itemName, false, index, false);
if (searchItem != null)
{
itemExist = true;
index = searchItem.Index + 1;
break;
}
}
else
{
searchItem = null;
}
} while (searchItem != null);
if (itemName != "" && itemName != null && itemPrice >= 0 && itemPrice_Str != null && !itemExist && (itemType != "Food" || itemType != "Beverage"))
{
itemList.Add(new Item()
{
item_Name = itemName, item_Type = itemType, item_Price = itemPrice
}); // add to list
itemTableAdapter.InsertItem(System.Convert.ToInt32(itemTableAdapter.GetCount()) + 1, itemName, System.Convert.ToDecimal(itemPrice), itemType);
itemNameDelete.Items.Add(new { Text = itemName }); // add to delete box
ListViewItem listViewItem = new ListViewItem(new string[] { itemName, itemType, itemPrice.ToString("F") });
ItemLV.Items.AddRange(new ListViewItem[] { listViewItem }); // add to list view
}
else if (itemExist)
{
MessageBox.Show("Item Name already exists", "Warning");
}
else
{
MessageBox.Show("A fill area is missing or incorrect", "Warning");
}
}
catch (FormatException) // popup error, havent implement yet
{
MessageBox.Show("Item Price is not a decimal", "Warning");
}
}
private void DeleteItemButton_Click(object sender, EventArgs e)
{
string itemName = itemNameDelete.Text;
if (itemName != null) // error proof
{
var itemToRemove = itemList.FirstOrDefault(r => r.item_Name == itemName);
if (itemToRemove != null)
{
itemList.Remove(itemToRemove); // remove from list
itemTableAdapter.DeleteItem(System.Convert.ToString(itemName));
itemNameDelete.Items.Remove(itemNameDelete.SelectedItem); // remove from delete box
// search view list box and delete
ListViewItem searchItem = null;
int index = 0;
do
{
if (index < ItemLV.Items.Count)
{
searchItem = ItemLV.FindItemWithText(itemName, false, index, false);
if (searchItem != null)
{
ItemLV.Items.Remove(searchItem);
index = searchItem.Index + 1;
}
}
else
{
searchItem = null;
}
} while (searchItem != null);
}
else
{
MessageBox.Show("Item name is not in the list", "Warning");
}
}
else
{
MessageBox.Show("A fill is missing or incorrect", "Warning");
}
itemNameDelete.Text = "";
}