public Form1()
{
InitializeComponent();
//CitiBankEntities1 data = new CitiBankEntities1();
//var query = data.Student.ToList();
//IList<Student> list = query;
//DataTable dt = new DataTable();
List <SK> s2 = new List <SK>();
SK l = new SK();
l.ID = 3;
l.Name = "dsdf";
s2.Add(l);
SK k = new SK();
k.ID = 4;
k.Name = "dsf";
s2.Add(k);
IList <SK> list = s2;
FilteredBindingList <SK> sm = new FilteredBindingList <SK>(list);
//BindingCollection<Student> s = new BindingCollection<Student>(list);
BindingSource dataSource = new BindingSource();
dataSource.DataSource = sm;
dataGridView1.DataSource = dataSource;
this.dataGridView1.SummaryColumns = new string[] { "ID" };
//Show the SummaryBox
this.dataGridView1.SummaryRowVisible = true;
}
protected override void ApplySortCore(PropertyDescriptor prop,
ListSortDirection direction)
{
sortedList = new ArrayList();
// Check to see if the property type we are sorting by implements
// the IComparable interface.
Type interfaceType = prop.PropertyType.GetInterface("IComparable");
if (interfaceType != null)
{
// If so, set the SortPropertyValue and SortDirectionValue.
sortPropertyValue = prop;
sortDirectionValue = direction;
unsortedItems = new FilteredBindingList <T>();
if (sortPropertyValue != null)
{
// Loop through each item, adding it the the sortedItems ArrayList.
foreach (Object item in this.Items)
{
unsortedItems.Add((T)item);
sortedList.Add(prop.GetValue(item));
}
}
// Call Sort on the ArrayList.
sortedList.Sort();
T temp;
// Check the sort direction and then copy the sorted items
// back into the list.
if (direction == ListSortDirection.Descending)
{
sortedList.Reverse();
}
for (int i = 0; i < this.Count; i++)
{
int position = Find(prop.Name, sortedList[i]);
if (position != i && position > 0)
{
temp = this[i];
this[i] = this[position];
this[position] = temp;
}
}
isSortedValue = true;
// If the list does not have a filter applied,
// raise the ListChanged event so bound controls refresh their
// values. Pass -1 for the index since this is a Reset.
if (String.IsNullOrEmpty(Filter))
{
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
}
}
else
{
// If the property type does not implement IComparable, let the user
// know.
throw new InvalidOperationException("Cannot sort by "
+ prop.Name + ". This" + prop.PropertyType.ToString() +
" does not implement IComparable");
}
}
