You gotta love Generics in .Net 2.0. I had to do some Object-sorting in memory with some List<T> stuff.
/// <summary>
/// Compare objects of type T using a certain property
/// </summary>
/// <typeparam name="T"></typeparam>
public class PropertyComparison<T> : System.Collections.Generic.IComparer<T>
{
/// <summary>
/// What property of the objects to use to compare one to another
/// </summary>
/// <param name="property"></param>
public PropertyComparison(string property)
{
_propName = property;
}
private string _propName;
private PropertyInfo _prop;
public int Compare(T x, T y)
{
if (null == _prop)
{
_prop = x.GetType().GetProperty(_propName);
}
try
{
IComparable xVal = _prop.GetValue(x, null) as IComparable;
IComparable yVal = _prop.GetValue(y, null) as IComparable;
return xVal.CompareTo(yVal);
}
catch (System.NullReferenceException)
{
throw new ApplicationException("Type " + _prop.PropertyType.ToString() + " is not IComparable");
}
}
}
So then I would use it:
if (!string.IsNullOrEmpty(prop))
{
CarSpot.Mobile.Types.PropertyComparison<Vehicle> c = new CarSpot.Mobile.Types.PropertyComparison<Vehicle>(prop);
try
{
_dataSource.Sort(c);