/// <summary>
/// Go to previous row in the dataset
/// </summary>
/// <returns>False if current position doesn't change</returns>
public bool Prior()
{
if (queryID <= 0)
{
return(false);
}
//Call SQL API function to move to the previous position
// VistaDBAPI.ivsql_MoveBy(queryID, -1);
VistaDBAPI.ivsql_Prior(queryID);
return(false);
}