private void loginbutton_Click(object sender, EventArgs e)
{
UserLoginManager userLoginManager = new UserLoginManager();
string result = userLoginManager.CheckLogin(useIDtextBox.Text, passwordtextBox.Text);
MessageBox.Show(result);
if (result == "Login Successful")
{
StockManagementUI stockManagementUi = new StockManagementUI();
stockManagementUi.Show();
}
}