public static void ClearControl(Control control)
{
 switch (control.GetType().Name)
 {
  case "TextBox":
   TextBox txtBox = (TextBox)control;
   txtBox.Text = "";
   break;
  case "DropDownList":
   DropDownList ddl = (DropDownList)control;
   ddl.SelectedIndex = 0;
   break;
  case "CheckBox":
   CheckBox chk = (CheckBox)control;
   chk.Checked = false;
   break;
  case "CheckBoxList":
   CheckBoxList chkList = (CheckBoxList)control;
   foreach (ListItem li in chkList.Items)
    li.Selected = false;
   break;
  case "Panel":
   ClearFields((Panel)control);
   break;
  case "RadioButtonList":
   RadioButtonList rbl = (RadioButtonList)control;
   rbl.SelectedIndex = -1;
   break;
 }
}

public static void ClearFields(Panel container)
{
 foreach (Control control in container.Controls)
 {
  ClearControl(control);
 }
}

public static void ClearFields(View container)
{
 foreach (Control control in container.Controls)
 {
  ClearControl(control);
 }
}

GenericList<ObjectItem> = new GenericList<ObjectItem>()

GenericList.Sort(delegate(ObjectItem i1, ObjectItem i2)
{
 return i1.SortProperty.CompareTo(i2.SortProperty);
});

<asp:ObjectDataSource ID="odsListing" runat="server" SelectMethod="getItems"
    TypeName="HUWeb.layouts.HU_GLOBAL.NodeListingSmall"
    DataObjectTypeName="Sitecore.Collections.ChildList"
    onselecting="odsListing_Selecting">
</asp:ObjectDataSource>

protected void odsListing_Selecting(object sender, ObjectDataSourceSelectingEventArgs e)
{
 e.InputParameters["ListingDataSourceId"] = YourUsercontrolProperty;
}

public Sitecore.Collections.ItemList getItems(string myProperty)
{
  // Your selection logica
  // You can use the string myProperty for filtering
}

<asp:ListView ID="lvListing" runat="server" DataSourceID="odsListing" onitemdatabound="lvListing_ItemDataBound">
    <ItemTemplate>
         <li class="clearfix">
            <a class="thumb" ID="thumnailLink" runat="server" > 
                <sc:Image Field="Thumbnail" ID="thumbnailImage" MaxWidth="120" runat="server" />
            </a>
            <h2><asp:HyperLink runat="server" ID="hlTitle" /></a></h2>
            <span class="date"> <sc:Date ID="listingDate" runat="server" Format="dd-MM-yyyy" /> <asp:Literal Visible="false" runat="server" ID="litDateField" /></span>
            <%# Eval("Fields[\"IntroText\"]") %>
            <asp:HyperLink runat="server" CssClass="url" ID="hlNavigationUrl" />
     </li>
    </ItemTemplate>
    <EmptyDataTemplate>
        Geen artikelen
    </EmptyDataTemplate>
    <LayoutTemplate>
        <ul ID="itemPlaceholderContainer" runat="server" style="">
            <li ID="itemPlaceholder" runat="server" />
        </ul>
    </LayoutTemplate>
    <ItemSeparatorTemplate>
        <br />
    </ItemSeparatorTemplate>
</asp:ListView>

<ul>
  <li class="paging">
        <asp:DataPager ID="DataPager1" PagedControlID="lvListing" runat="server" PageSize="10" >
         <Fields>
             <asp:nextpreviouspagerfield ButtonCssClass="paging-previous" PreviousPageText="Vorige" ButtonType="Link"  ShowPreviousPageButton="True" ShowNextPageButton="False"/>
                <asp:nextpreviouspagerfield ButtonCssClass="paging-next" NextPageText="Volgende" ButtonType="Link" ShowPreviousPageButton="False" ShowNextPageButton="True" />
             <asp:NumericPagerField ButtonType="Link" NextPageText="VOLGENDE" PreviousPageText="VORIGE" RenderNonBreakingSpacesBetweenControls="true" />
         </Fields>
        </asp:DataPager>
    </li>
</ul> 

<asp:ObjectDataSource ID="odsListing" runat="server" SelectMethod="GetItems"
        TypeName="MyNameSpace.MyUsercontrol"
        DataObjectTypeName="Sitecore.Collections.ChildList">
</asp:ObjectDataSource>

namespace MyNameSpace
{
    public partial class MyUsercontrol: System.Web.UI.UserControl
    {
     
       public Sitecore.Collections.ChildList GetItems()
       {
          return Sitecore.Context.Item.GetChildren();
        }
     }
}