//Refresh function we can call to reset everything back to its default state, and to refresh the listview when needed.
private void refresh()
{
lblSelectedItem.Text = "";
btnConfirmAdd.Enabled = false;
btnConfirmAdd.BackColor = Color.Gray;
btnEdit.Visible = false;
btnDelete.Visible = false;
pnlAdd.Visible = false;
pnlEdit.Visible = false;
pnlMain.Visible = true;
lvItems.Items.Clear();
DataSet dataset = DrewsGoodsBLL.getItems();
//Add a new row to the listview for every row in our local dataset
foreach (DataRow row in dataset.Tables["items"].Rows)
{
ListViewItem item = new ListViewItem();
item.Text = row.ItemArray[0].ToString();
//Add items to row as long as possible
for (int a = 1; a < row.ItemArray.Length; a++)
{
item.SubItems.Add(row.ItemArray[a].ToString());
}
lvItems.Items.Add(item);
}
}
private void btnDelete_Click(object sender, EventArgs e)
{
DialogResult dialogResult = MessageBox.Show("Delete item", "Are you sure you want to delete this item?", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
try
{
string item = lvItems.SelectedItems[0].Text;
DrewsGoodsBO BO = new DrewsGoodsBO(item, null, 0);
if (DrewsGoodsBLL.deleteItem(BO) == true)
{
refresh();
}
else
{
MessageBox.Show("Something went wrong. \n\nPlease try again.");
}
}
catch
{
MessageBox.Show("No item selected. \n \n Select an item in the list!");
return;
}
btnEdit.Enabled = false;
btnEdit.Visible = false;
btnDelete.Enabled = false;
btnDelete.Visible = false;
}
else
{
return;
}
}
private void changeItem(string name, string price, int stock, string type)
{
if (!new Regex(@"^[A-Za-z0-9\s.,()]*$").IsMatch(name))
{
MessageBox.Show("Invalid characters used in name field. \n\n Only letters, numbers and the characters . , [ ] ( ) are allowed.");
return;
}
else if (!new Regex(@"^([0-9]{1,5}).([0-9]{2})$").IsMatch(price))
{
MessageBox.Show("Invalid price syntax.\n\nUse the format '50.00' (2 decimals, minimum '0.00' maximum '99999.99'");
return;
}
if (name == "" || price == "")
{
MessageBox.Show("Not all fields have been filled in.");
return;
}
else
{
DrewsGoodsBO BO = new DrewsGoodsBO(name, price, stock, type);
if (DrewsGoodsBLL.addItem(BO) == true)
{
MessageBox.Show("Item " + type + "ed succesfully!");
refresh();
}
}
}
