private void dgvEmployess_CellClick(object sender, DataGridViewCellEventArgs e)
 {
     try
     {
         int customerID = (int)dgvCustomers.SelectedRows[0].Cells["CustomerID"].Value;
         dgvProjects.DataSource = _projectBLL.CustomerList(customerID);
     }
     catch (Exception)
     {
     }
 }