Deleting sharepoint list content type Fields

Question

Hi
Please tell me the code for deleting all the fields inside content type fields..This is my code i used,but its not deleting the fields.
 SPSite spsite = new SPSite("http://ghfjhhk18:8001");
            SPWeb web = spsite.OpenWeb();
            web.AllowUnsafeUpdates = true;
            SPList list = web.Lists["Test"];
            SPContentTypeCollection cts = list.ContentTypes;
            SPContentType ct = cts["Item"];
           // ct.FieldLinks.Delete("Expires");
            //ct.Update();
            SPFieldCollection contentTypeFieldCollection = ct.Fields;
            foreach (SPField spField in contentTypeFieldCollection)
                if (ct.Fields.ContainsField(spField.Title))
                    //SPFieldLink fieldLink = new SPFieldLink(spField);
                    ct.FieldLinks.Delete(spField.Title);
                //myContentType = null;
            ct.Update();
            web.AllowUnsafeUpdates = false;
        }but this code is not deleting the fields..
pls help me as soon as possible.
One friend told me to do for loop in reverse..but how can i accomplish that

Answer 1

Hi,
Please refer the below code snippet which may help you to fix your issue. If not please refer the below links also
http://ptsharepoint2010.blogspot.in/2011/12/programmatically-remove-fields-from.html
http://www.c-sharpcorner.com/uploadfile/54db21/delete-field-content-type-in-sharepoint-2010-programmaticall/
using (SPWeb web = site.OpenWeb())
SPList spList = web.Lists["<ListName>"];
SPContentTypeCollection spCTS = spList.ContentTypes;
SPContentType spCT = spCTS["YourContentType"];
spCT.FieldLinks.Delete("YourField");
spCT.Update();
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