private void textBox_itemName_TextChanged(object sender, TextChangedEventArgs e)
{
try {
if (textBox_itemName.IsNull())
{
UIListBox.recentItems(listBox, 100);
}
else
{
UIListBox.loadItemsByCategoryAndCompanyAndName(listBox, textBox_itemName.Text);
}
} catch (Exception) {
}
}