Post a reply on SharePoint Discussion Thread programmatically using C# code

01 using (SPSite objSite = new SPSite("<Site URL>"))

02

{

03	SPWeb objWeb = objSite.OpenWeb("<Web Name>");

04

05	objWeb.AllowUnsafeUpdates = true;

06

07	SPList objList = objWeb.Lists["<Discussion List Name>"];

08

09	//objList.Folders returns all the discussion threads in the list.

10	//Loop through all the discussions and check for discussion thread subject in which you have to post a reply.

11	//You can also use SPQuery to find the list item in which you have to post a reply.

12	foreach (SPListItem discussionSubject in objList.Folders )

13

{

14	strSubject = discussionSubject.Name;

15

16	if(strSubject.Contains(“<Test subject to reply>”))

17

{

18	//Get the SPListItem for that discussion subject thread.

19	SPListItem parentItem = objList.GetItemById(discussionSubject.ID);

20

21	//Create reply to that discussion thread subject.

22	SPListItem reply = SPUtility.CreateNewDiscussionReply(parentItem);

23	reply["Body"] = "Posting a reply programmatically";

24	reply.Update();

25

}

26

}

27	objWeb.AllowUnsafeUpdates = false;

28

}