private void LoginButton_Click(object sender, EventArgs e) { bool chkvip = XmlLoader.CheckIfVipCustomerExist(UserNameTextBox.Text, PassWordTextBox.Text); bool chkmng = (UserNameTextBox.Text.ToString() == "admin") && (PassWordTextBox.Text == "admin")? true : false; bool chktypemng = XmlLoader.CheckIfManagerType(UserNameTextBox.Text); if (UserNameTextBox.Text != "" && PassWordTextBox.Text != "" && chkvip == true && chktypemng == false) { if (UserNameTextBox.Text != "Enter User Name Here" && PassWordTextBox.Text != "Enter Pass Word Here") { VipLoginPanel.Visible = true; UserNameTextBox.ForeColor = Color.Gray; UserNameTextBox.Text = "Enter User Name Here"; PassWordTextBox.UseSystemPasswordChar = false; PassWordTextBox.ForeColor = Color.Gray; PassWordTextBox.Text = "Enter Pass Word Here"; } else { InvalidTextPanel.Visible = true; } } else if (UserNameTextBox.Text != "" && PassWordTextBox.Text != "" && chkmng == true && chktypemng == true) { MangerLoginPanel.Visible = true; UserNameTextBox.ForeColor = Color.Gray; UserNameTextBox.Text = "Enter User Name Here"; PassWordTextBox.UseSystemPasswordChar = false; PassWordTextBox.ForeColor = Color.Gray; PassWordTextBox.Text = "Enter Pass Word Here"; } else { InvalidTextPanel.Visible = true; } }