public void LoadData() { dgvViewAll.DataSource = null; dgvViewAll.DataSource = nvc.GetDataTable(); dgvViewAll.ReadOnly = true; dgvViewAll.AutoResizeColumns(); dgvViewAll.Columns["MaNV"].HeaderText = "Mã NV"; dgvViewAll.Columns["Ten"].HeaderText = "Tên NV"; dgvViewAll.Columns["TenPB"].HeaderText = "Phòng ban"; dgvViewAll.Columns["TenCV"].HeaderText = "Chức vụ"; }