/// <summary>
/// Process ListItem one by one
/// </summary>
/// <param name="listName">ListName</param>
/// <param name="camlQuery">CamlQuery</param>
/// <param name="itemProcessor">itemprocessor delegate</param>
/// <param name="errorCallout">error delegate</param>
public void ProcessListItem(string listName, CamlQuery camlQuery, ItemProcessor itemProcessor, ref List <PeoplePickerListOutput> lstPeoplepickeroutput, ItemProcessorErrorCallout errorCallout)
{
List list = _context.Web.Lists.GetByTitle(listName);
CamlQuery query = camlQuery;
//EventReceiverDefinitionCollection erCollection = list.EventReceivers;
//foreach(EventReceiverDefinition erDefinition in erCollection)
//{
// erDefinition.
//}
ListItemCollectionPosition position = null;
query.ListItemCollectionPosition = position;
while (true)
{
ListItemCollection listItems = list.GetItems(query);
_context.Load(listItems, items => items.ListItemCollectionPosition);
_context.ExecuteQuery();
for (int i = 0; i < listItems.Count; i++)
{
try
{
itemProcessor(listItems[i], _context, ref lstPeoplepickeroutput);
}
catch (System.Exception ex)
{
if (errorCallout == null || errorCallout(listItems[i], ex))
{
throw;
}
}
}
if (listItems.ListItemCollectionPosition == null)
{
return;
}
else
{
/*if query contains lookup column filter last batch returns null
* by removing the lookup column in paginginfo query will return next records
*/
string pagingInfo = listItems.ListItemCollectionPosition.PagingInfo;
string[] parameters = pagingInfo.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries);
List <string> requiredParameters = new List <string>();
foreach (string str in parameters)
{
if (str.Contains("Paged=") || str.Contains("p_ID="))
{
requiredParameters.Add(str);
}
}
pagingInfo = string.Join("&", requiredParameters.ToArray());
listItems.ListItemCollectionPosition.PagingInfo = pagingInfo;
query.ListItemCollectionPosition = listItems.ListItemCollectionPosition;
}
}
}
public void ProcessListItems(SPList list, bool fIterateInReverseOrder, ItemProcessor itemProcessor, ItemProcessorErrorCallout errorCallout)
{
if (list == null)
{
throw new ArgumentNullException("list");
}
if (itemProcessor == null)
{
throw new ArgumentNullException("itemProcessor");
}
string strQuery = !list.HasExternalDataSource ? ItemEnumerationOrderById : null;
ProcessListItems(list, strQuery, true,
items => ProcessItems(items, false, fIterateInReverseOrder, itemProcessor, errorCallout),
(items, e) => true);
}
/// <summary>
/// Process ListItem one by one
/// </summary>
/// <param name="listName">ListName</param>
/// <param name="camlQuery">CamlQuery</param>
/// <param name="itemProcessor">itemprocessor delegate</param>
/// <param name="errorCallout">error delegate</param>
public void ProcessListItem(string listName, CamlQuery camlQuery, ItemProcessor itemProcessor,ref List<PeoplePickerListOutput> lstPeoplepickeroutput, ItemProcessorErrorCallout errorCallout)
{
List list = _context.Web.Lists.GetByTitle(listName);
CamlQuery query = camlQuery;
//EventReceiverDefinitionCollection erCollection = list.EventReceivers;
//foreach(EventReceiverDefinition erDefinition in erCollection)
//{
// erDefinition.
//}
ListItemCollectionPosition position = null;
query.ListItemCollectionPosition = position;
while (true)
{
ListItemCollection listItems = list.GetItems(query);
_context.Load(listItems, items => items.ListItemCollectionPosition);
_context.ExecuteQuery();
for (int i = 0; i < listItems.Count; i++)
{
try
{
itemProcessor(listItems[i], _context, ref lstPeoplepickeroutput);
}
catch (System.Exception ex)
{
if (errorCallout == null || errorCallout(listItems[i], ex))
{
throw;
}
}
}
if (listItems.ListItemCollectionPosition == null)
{
return;
}
else
{
/*if query contains lookup column filter last batch returns null
by removing the lookup column in paginginfo query will return next records
*/
string pagingInfo = listItems.ListItemCollectionPosition.PagingInfo;
string[] parameters = pagingInfo.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries);
List<string> requiredParameters = new List<string>();
foreach (string str in parameters)
{
if (str.Contains("Paged=") || str.Contains("p_ID="))
requiredParameters.Add(str);
}
pagingInfo = string.Join("&", requiredParameters.ToArray());
listItems.ListItemCollectionPosition.PagingInfo = pagingInfo;
query.ListItemCollectionPosition = listItems.ListItemCollectionPosition;
}
}
}
public void ProcessListItems(SPList list, SPQuery query, ItemProcessor itemProcessor, ItemProcessorErrorCallout errorCallout)
{
ProcessListItems(list, query, false, itemProcessor, errorCallout);
}
private static void ProcessItem(SPListItem item, bool fIncludeFolderItems, ItemProcessor itemProcessor, ItemProcessorErrorCallout errorCallout)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (itemProcessor == null)
{
throw new ArgumentNullException("itemProcessor");
}
if (fIncludeFolderItems || (item.FileSystemObjectType != SPFileSystemObjectType.Folder))
{
try
{
itemProcessor(item);
}
catch (System.Exception exception)
{
if ((errorCallout == null) || errorCallout(item, exception))
{
throw;
}
}
}
}
public void ProcessItems(SPListItemCollection items, bool fIncludeFolderItems, bool fIterateInReverseOrder, ItemProcessor itemProcessor, ItemProcessorErrorCallout errorCallout)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
if (itemProcessor == null)
{
throw new ArgumentNullException("itemProcessor");
}
if (fIterateInReverseOrder)
{
for (int i = items.Count - 1; i >= 0; i--)
{
ProcessItem(items[i], fIncludeFolderItems, itemProcessor, errorCallout);
if (ShouldCancel(IterationGranularity.Item))
{
return;
}
}
}
else
{
for (int j = 0; j < items.Count; j++)
{
ProcessItem(items[j], fIncludeFolderItems, itemProcessor, errorCallout);
if (ShouldCancel(IterationGranularity.Item))
{
return;
}
}
}
}
public void ProcessItems(SPListItemCollection items, bool fIncludeFolderItems, ItemProcessor itemProcessor, ItemProcessorErrorCallout errorCallout)
{
ProcessItems(items, fIncludeFolderItems, false, itemProcessor, errorCallout);
}
public void ProcessListItems(SPList list, SPQuery query, bool fIterateInReverseOrder, ItemProcessor itemProcessor, ItemProcessorErrorCallout errorCallout)
{
if (list == null)
{
throw new ArgumentNullException("list");
}
if (query == null)
{
throw new ArgumentNullException("query");
}
if (itemProcessor == null)
{
throw new ArgumentNullException("itemProcessor");
}
ProcessListItems(list, query,
items => ProcessItems(items, false, fIterateInReverseOrder, itemProcessor, errorCallout), null);
}
