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Reordering of List Items Inside a List Send comments on this topic.
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Developing with Sitefinity > Modules > Modules API > Lists > List Items > Reordering of List Items Inside a List

Glossary Item Box

One of the important aspects of NamedLists is that the order of ListsItems can be explicitly set. Lists module API offers two methods for reodering list items inside of a NamedList:

  • MoveItemUp(Guid id) - Item can be moved up in the NamedList by passing the ID of the list item to be moved to the MoveItemUp method
  • MoveItemDown(Guid id) - Alternatively, items can be moved down in the NamedList by passing the ID of the list item to be moved to the MoveItemDown method

 

Moving items up in the order of list items inside of a NamedList:

MoveItemUp(Guid id) Copy Code
// create a new instance of ListManager
Telerik.Lists.ListManager listManager = new Telerik.Lists.ListManager();
// we are going to move the second item from the first list to the first place in the list
IList allLists = listManager.GetLists();
if (allLists.Count > 0)
{
   // get reference to the first list
   Telerik.Lists.INamedList firstList = (Telerik.Lists.INamedList)allLists[0];
   if (firstList.Items.Count > 2)
   {
       // get reference to the second list item of the first list
       Telerik.Lists.IListItem secondItem = (Telerik.Lists.IListItem)firstList.Items[1];
       // move the second item one place up and effectively make it first item in the list
       listManager.MoveItemUp(secondItem.ID);
   }
}

 

Moving items down in the order of list items inside of a NamedList:

MoveItemDown(Guid id) Copy Code
// create a new instance of ListManager
Telerik.Lists.ListManager listManager = new Telerik.Lists.ListManager();
// we are going to move the second item from the first list to the first place in the list
IList allLists = listManager.GetLists();
if (allLists.Count > 0)
{
   // get reference to the first list
   Telerik.Lists.INamedList firstList = (Telerik.Lists.INamedList)allLists[0];
   if (firstList.Items.Count > 2)
   {
       // get reference to the second list item of the first list
       Telerik.Lists.IListItem secondItem = (Telerik.Lists.IListItem)firstList.Items[1];
       // move the second item one place down and effectively make it third item in the list
       listManager.MoveItemDown(secondItem.ID);
   }
}

 

 

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