How to apply selection based validation on a selected row in WinForms DataGrid (SfDataGrid)?

sfDataGrid.SelectionChanged += SfDataGrid_SelectionChanged;
private void SfDataGrid_SelectionChanged(object sender, Syncfusion.WinForms.DataGrid.Events.SelectionChangedEventArgs e)
{
            var rowGenerator = (RowGenerator)this.sfDataGrid.TableControl.GetType().GetProperty("RowGenerator", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic).GetValue(this.sfDataGrid.TableControl);
 
            //get the selectedItem record
            var dataRow = rowGenerator.Items.FirstOrDefault(row => row.RowData==this.sfDataGrid.SelectedItem);           
          
            foreach (var column in dataRow.VisibleColumns)
            {
                //check the column is Valid or Invalid
                if (!column.IsValid)
                {
                    MessageBox.Show("Selected Row is Invalid");
                    break;
                }
            }
}