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Lists.DeleteAttachment Method

Windows SharePoint Services 3
Removes the attachment from the specified list item.

Web Service: ListsWeb Reference: http://<Site>/_vti_bin/Lists.asmx

[SoapDocumentMethodAttribute("http://schemas.microsoft.com/sharepoint/soap/DeleteAttachment", RequestNamespace="http://schemas.microsoft.com/sharepoint/soap/", ResponseNamespace="http://schemas.microsoft.com/sharepoint/soap/", Use=SoapBindingUse.Literal, ParameterStyle=SoapParameterStyle.Wrapped)] 
public void DeleteAttachment (
	string listName,
	string listItemID,
	string url
)

Parameters

listName

A string that contains either the title or GUID for the list.

listItemID

A string that contains the ID of the item to delete. This value does not correspond to the index of the item within the collection of list items.

url

A string that contains the absolute URL for the attachment, as follows: http://Server_Name/Site_Name/Lists/List_Name/Attachments/Item_ID/FileName.

The URL to the attachment can be returned by using the GetAttachmentCollection method.

To access the Lists service and its methods, set a Web reference to http://Server_Name/[sites/][Site_Name/]_vti_bin/Lists.asmx.

The following code example deletes all the attachments for a specified item in a list on the current site.

This example requires that a using (Visual C#) or Imports (Visual Basic) directive be included for the System.Xml namespace.

Web_Reference_Folder.Lists listService = new Web_Reference_Folder.Lists();
listService.Credentials= System.Net.CredentialCache.DefaultCredentials;

XmlNode ndAttach = 
    listService.GetAttachmentCollection("List_Name", "1");
XmlNodeList ndsAttach = ndAttach.ChildNodes;

for (int i=0; i<ndsAttach.Count; i++)
{
    string delUrl = ndsAttach[i].InnerText;
    listService.DeleteAttachment("List_Name", "1", delUrl);
}

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