private void addButton_Click(object sender, EventArgs e)
{
if (_itemManager.isNameExist(itemNameTextBox.Text))
{
MessageBox.Show(itemNameTextBox.Text + " Already exist!!!");
return;
}
if (String.IsNullOrEmpty(itemPriceTextBox.Text))
{
MessageBox.Show(" Price must be Added !!!");
return;
}
bool isAdded = _itemManager.AddData(itemNameTextBox.Text, Convert.ToDouble(itemPriceTextBox.Text));
if (isAdded)
{
MessageBox.Show(" Saved.");
}
else
{
MessageBox.Show(" Not Saved !!!.");
}
showDataGridView.DataSource = _itemManager.ShowData();
}