Posted By

blackf0rk on 12/16/09

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Last Edited at 12/16/09 06:03pm

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Delete all items in a SharePoint list

/ Published in: C#

This will delete all items in a SharePoint list. Better than looping through a SPListItemCollection and doing a .delete();

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SPList list = web.Lists[ListId];
SPListItemCollection splic = list.Items;
StringBuilder batchString = new StringBuilder();
batchString.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?><Batch>");
 
foreach (SPListItem item in splic)
{
        batchString.Append("<Method>");
        batchString.Append("<SetList Scope=\"Request\">" + Convert.ToString(item.ParentList.ID) + "</SetList>");
        batchString.Append("<SetVar Name=\"ID\">" + Convert.ToString(item.ID) + "</SetVar>");
        batchString.Append("<SetVar Name=\"Cmd\">Delete</SetVar>");
        batchString.Append("</Method>");
}
 
batchString.Append("</Batch>");
SPContext.Current.Web.ProcessBatchData(batchString.ToString());