private void btnDashboard_Click(object sender, EventArgs e)
        {
            if (formDashboard == null)
            {
                formDashboard = new frmDashboard();   //Create form if not created
                //formDashboard.FormClosed += formDashboard_FormClosed;  //Add eventhandler to cleanup after form closes
            }

            formDashboard.Show(this);  //Show Form assigning this form as the forms owner
            Hide();
        }
        private void MasterForm_Load(object sender, EventArgs e)
        {
            connectDB.ConnectDatabase();

            FormDashboard.MdiParent = this;
            FormDashboard.Dock      = DockStyle.Fill;

            //Panel Show

            formsPanel.Controls.Clear();
            FormDashboard.TopLevel = false;
            formsPanel.Controls.Add(FormDashboard);
            FormDashboard.Show();
        }