public override string ToString()
{
StringBuilder sb = new StringBuilder("getVer_args(");
sb.Append("TableName: ");
sb.Append(TableName);
sb.Append(",Row: ");
sb.Append(Row);
sb.Append(",Column: ");
sb.Append(Column);
sb.Append(",NumVersions: ");
sb.Append(NumVersions);
sb.Append(")");
return sb.ToString();
}