private void btnLogin_Click(object sender, RoutedEventArgs e)
{
Boolean success = client.addStockAsync(txtCompanyName.Text.ToString(), txtSymbol.Text.ToString(), Int32.Parse(txtVolume.Text), Double.Parse(txtValue.Text)).Result.@return;
if (success == true)
{
displayMessageBox("Stock successfully created");
}
else
{
displayMessageBox("Stock already exists");
}
}
