private void ManageCLO_Load(object sender, EventArgs e)
        {
            CLO clo = new CLO();

            dgvCLO.DataSource = clo.Showdata();
            dgvCLO.Columns.Add(clo.Editbtn());
            dgvCLO.Columns.Add(clo.Deletebtn());
            dgvCLO.Columns.Add(clo.AddRubricbtn());
        }
        /// <summary>
        /// Fetch Data from Database at Form Loading
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnUpdate_Click(object sender, EventArgs e)
        {
            CLO clo = new CLO();

            dgvCLO.DataSource = clo.Showdata();
        }