public void RemoveSheet_LinkRow(Sheet_LinkRow row)
 {
     Rows.Remove(row);
 }
 public Sheet_LinkRowChangeEvent(Sheet_LinkRow row, DataRowAction action)
 {
     eventRow = row;
     eventAction = action;
 }
 public void AddSheet_LinkRow(Sheet_LinkRow row)
 {
     Rows.Add(row);
 }