public override string ToString()
{
StringBuilder sb = new StringBuilder("TDelete(");
sb.Append("Row: ");
sb.Append(Row);
sb.Append(",Columns: ");
sb.Append(Columns);
sb.Append(",Timestamp: ");
sb.Append(Timestamp);
sb.Append(",DeleteType: ");
sb.Append(DeleteType);
sb.Append(")");
return sb.ToString();
}