private void GetScopes(string name) { DataTable dt = new DataTable(); dt.Columns.Add("Name"); var scopeNames = _variableService.GetScopes(name); DataRow firstRow = dt.Rows.Add(); firstRow[0] = "All"; foreach (var scopeName in scopeNames) { DataRow row = dt.Rows.Add(); row[0] = scopeName; } comboBox2.ValueMember = "Name"; comboBox2.DisplayMember = "Name"; comboBox2.DataSource = dt; }