/// <summary>
/// Add between expression to detached criteria
/// </summary>
public static DetachedCriteria AddBetween(this DetachedCriteria dc, string propertyName, object lo, object hi)
{
// return dc.Add(IsBetweenCriterion(propertyName, lo, hi));
if (lo != null)
{
dc.AddGe(propertyName, lo);
}
if (hi != null)
{
dc.AddLe(propertyName, hi);
}
return(dc);
}