public frmUsuarios() { InitializeComponent(); _dataTable = new DataTable(); foreach (string s in AD.ADScopes()) { cmbADScope.Items.Add(s); chkList.Items.Add(s); } foreach (string s in AD.domainControllers()) { cmbDomainController.Items.Add(s); } cmbDomainController.SelectedIndex = cmbDomainController.Items.Count - 1; cmbADScope.SelectedIndex = cmbADScope.Items.Count - 1; foreach (string col in _columnas) { /* var columna = new DataGridViewColumn(); * columna.Name = col; * dgvUsuarios.Columns.Add(columna);*/ _dataTable.Columns.Add(col); } dgvUsuarios.DataSource = _dataTable; }