public AddEmployeeScreen(Screen backScreen) : base("Add Employee", backScreen, 1)
        {
            this.Dock        = DockStyle.Fill;
            this.BackColor   = Color.White;
            this.ColumnCount = 2;
            this.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 45F));
            this.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 55F));
            this.RowCount = 7;
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
            this.ParentChanged += AddEmployeeScreen_ParentChanged;

            Label lblFirstNamePrompt = new Label();

            lblFirstNamePrompt.Text      = "First Name:";
            lblFirstNamePrompt.Dock      = DockStyle.None;
            lblFirstNamePrompt.Anchor    = AnchorStyles.Right;
            lblFirstNamePrompt.TextAlign = ContentAlignment.MiddleRight;
            lblFirstNamePrompt.AutoSize  = true;
            this.Controls.Add(lblFirstNamePrompt, 0, 1);

            txtFirstNameInput           = new TextBox();
            txtFirstNameInput.Anchor    = AnchorStyles.Left;
            txtFirstNameInput.Width     = 150;
            txtFirstNameInput.MaxLength = DBControlHelper.MaximumFirstNameLength;
            this.Controls.Add(txtFirstNameInput, 1, 1);

            Label lblLastNamePrompt = new Label();

            lblLastNamePrompt.Text      = "Last Name:";
            lblLastNamePrompt.Dock      = DockStyle.None;
            lblLastNamePrompt.Anchor    = AnchorStyles.Right;
            lblLastNamePrompt.TextAlign = ContentAlignment.MiddleRight;
            lblLastNamePrompt.AutoSize  = true;
            this.Controls.Add(lblLastNamePrompt, 0, 2);

            txtLastNameInput           = new TextBox();
            txtLastNameInput.Anchor    = AnchorStyles.Left;
            txtLastNameInput.Width     = 150;
            txtLastNameInput.MaxLength = DBControlHelper.MaximumLastNameLength;
            this.Controls.Add(txtLastNameInput, 1, 2);

            Label lblPhoneNumberPrompt = new Label();

            lblPhoneNumberPrompt.Text      = "Phone Number:";
            lblPhoneNumberPrompt.Dock      = DockStyle.None;
            lblPhoneNumberPrompt.Anchor    = AnchorStyles.Right;
            lblPhoneNumberPrompt.TextAlign = ContentAlignment.MiddleRight;
            lblPhoneNumberPrompt.AutoSize  = true;
            this.Controls.Add(lblPhoneNumberPrompt, 0, 3);

            mtxtPhoneNumberInput                = new MaskedTextBox();
            mtxtPhoneNumberInput.Anchor         = AnchorStyles.Left;
            mtxtPhoneNumberInput.Width          = 150;
            mtxtPhoneNumberInput.Mask           = "(000) 000-0000";
            mtxtPhoneNumberInput.TabIndex       = 5;
            mtxtPhoneNumberInput.TextMaskFormat = MaskFormat.ExcludePromptAndLiterals;
            this.Controls.Add(mtxtPhoneNumberInput, 1, 3);

            Label lblRolePrompt = new Label();

            lblRolePrompt.Text      = "Role:";
            lblRolePrompt.Dock      = DockStyle.None;
            lblRolePrompt.Anchor    = AnchorStyles.Right;
            lblRolePrompt.TextAlign = ContentAlignment.MiddleRight;
            lblRolePrompt.AutoSize  = true;
            this.Controls.Add(lblRolePrompt, 0, 4);

            cbxRoleInput               = new ComboBox();
            cbxRoleInput.Anchor        = AnchorStyles.Left;
            cbxRoleInput.Width         = 150;
            cbxRoleInput.DataSource    = DBEmployeePosition.GetEmployeePositions();
            cbxRoleInput.DisplayMember = "Name";
            cbxRoleInput.ValueMember   = "ID";
            cbxRoleInput.DropDownStyle = ComboBoxStyle.DropDownList;
            this.Controls.Add(cbxRoleInput, 1, 4);

            btnAdd           = new Button();
            btnAdd.Text      = "Add";
            btnAdd.Dock      = DockStyle.None;
            btnAdd.AutoSize  = true;
            btnAdd.Anchor    = AnchorStyles.Left;
            btnAdd.BackColor = DefaultBackColor;
            btnAdd.Click    += BtnAdd_Click;
            this.Controls.Add(btnAdd, 1, 5);

            this.SetFontSizes(this.Controls);
        }
        public UpdateEmployeeScreen(Screen backScreen) : base("Update Employee", backScreen, 1)
        {
            //TODO: Consider whether this needs exception handling
            employeePositions = DBEmployeePosition.GetEmployeePositions();

            #region Init Screen
            this.Dock        = DockStyle.Fill;
            this.BackColor   = Color.White;
            this.ColumnCount = 2;
            this.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 45F));
            this.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 55F));
            this.RowCount = 8;
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 50F));
            this.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 20F));
            this.ParentChanged += UpdateEmployeeScreen_ParentChanged;
            #endregion

            #region Controls
            Label lblEmployeeIdPrompt = new Label();
            lblEmployeeIdPrompt.Text      = "Employee ID:";
            lblEmployeeIdPrompt.Dock      = DockStyle.None;
            lblEmployeeIdPrompt.Anchor    = AnchorStyles.Right;
            lblEmployeeIdPrompt.TextAlign = ContentAlignment.MiddleRight;
            lblEmployeeIdPrompt.AutoSize  = true;
            this.Controls.Add(lblEmployeeIdPrompt, 0, 1);

            nudEmployeeIdInput               = new NumericUpDown();
            nudEmployeeIdInput.Anchor        = AnchorStyles.Left;
            nudEmployeeIdInput.Width         = 150;
            nudEmployeeIdInput.ValueChanged += NudEmployeeIdInput_ValueChanged;
            this.Controls.Add(nudEmployeeIdInput, 1, 1);

            Label lblFirstNamePrompt = new Label();
            lblFirstNamePrompt.Text      = "First Name:";
            lblFirstNamePrompt.Dock      = DockStyle.None;
            lblFirstNamePrompt.Anchor    = AnchorStyles.Right;
            lblFirstNamePrompt.TextAlign = ContentAlignment.MiddleRight;
            lblFirstNamePrompt.AutoSize  = true;
            this.Controls.Add(lblFirstNamePrompt, 0, 2);

            txtFirstNameInput           = new TextBox();
            txtFirstNameInput.Anchor    = AnchorStyles.Left;
            txtFirstNameInput.Width     = 150;
            txtFirstNameInput.MaxLength = DBControlHelper.MaximumFirstNameLength;
            this.Controls.Add(txtFirstNameInput, 1, 2);

            Label lblLastNamePrompt = new Label();
            lblLastNamePrompt.Text      = "Last Name:";
            lblLastNamePrompt.Dock      = DockStyle.None;
            lblLastNamePrompt.Anchor    = AnchorStyles.Right;
            lblLastNamePrompt.TextAlign = ContentAlignment.MiddleRight;
            lblLastNamePrompt.AutoSize  = true;
            this.Controls.Add(lblLastNamePrompt, 0, 3);

            txtLastNameInput           = new TextBox();
            txtLastNameInput.Anchor    = AnchorStyles.Left;
            txtLastNameInput.Width     = 150;
            txtLastNameInput.MaxLength = DBControlHelper.MaximumLastNameLength;
            this.Controls.Add(txtLastNameInput, 1, 3);

            Label lblPhoneNumberPrompt = new Label();
            lblPhoneNumberPrompt.Text      = "Phone Number:";
            lblPhoneNumberPrompt.Dock      = DockStyle.None;
            lblPhoneNumberPrompt.Anchor    = AnchorStyles.Right;
            lblPhoneNumberPrompt.TextAlign = ContentAlignment.MiddleRight;
            lblPhoneNumberPrompt.AutoSize  = true;
            this.Controls.Add(lblPhoneNumberPrompt, 0, 4);

            mtxtPhoneNumberInput                = new MaskedTextBox();
            mtxtPhoneNumberInput.Anchor         = AnchorStyles.Left;
            mtxtPhoneNumberInput.Width          = 150;
            mtxtPhoneNumberInput.Mask           = "(000) 000-0000";
            mtxtPhoneNumberInput.TabIndex       = 5;
            mtxtPhoneNumberInput.TextMaskFormat = MaskFormat.ExcludePromptAndLiterals;
            this.Controls.Add(mtxtPhoneNumberInput, 1, 4);

            Label lblRolePrompt = new Label();
            lblRolePrompt.Text      = "Role:";
            lblRolePrompt.Dock      = DockStyle.None;
            lblRolePrompt.Anchor    = AnchorStyles.Right;
            lblRolePrompt.TextAlign = ContentAlignment.MiddleRight;
            lblRolePrompt.AutoSize  = true;
            this.Controls.Add(lblRolePrompt, 0, 5);

            cbxRoleInput               = new ComboBox();
            cbxRoleInput.Anchor        = AnchorStyles.Left;
            cbxRoleInput.Width         = 150;
            cbxRoleInput.DataSource    = employeePositions;
            cbxRoleInput.DisplayMember = "Name";
            cbxRoleInput.ValueMember   = "ID";
            cbxRoleInput.DropDownStyle = ComboBoxStyle.DropDownList;
            this.Controls.Add(cbxRoleInput, 1, 5);

            btnUpdate           = new Button();
            btnUpdate.Text      = "Update";
            btnUpdate.Dock      = DockStyle.None;
            btnUpdate.AutoSize  = true;
            btnUpdate.Anchor    = AnchorStyles.Right;
            btnUpdate.BackColor = DefaultBackColor;
            btnUpdate.Click    += BtnUpdate_Click;
            this.Controls.Add(btnUpdate, 0, 6);

            Button btnRemove = new Button();
            btnRemove.Text      = "Remove from Employee List";
            btnRemove.Dock      = DockStyle.None;
            btnRemove.AutoSize  = true;
            btnRemove.Anchor    = AnchorStyles.Left;
            btnRemove.BackColor = DefaultBackColor;
            btnRemove.Click    += BtnRemove_Click;
            this.Controls.Add(btnRemove, 1, 6);
            #endregion

            this.SetFontSizes(this.Controls);
        }