SharePoint Document Library C# - Delete all the document versions using OM

In this article, I am going show how to delete all the document versions details from SharePoint document library.

private void DeleteAllVersion()

        {

            try

            {

                    DialogResult dr = MessageBox.Show("Are you sure you want to send all provious versions associated with this file to the site Recycle Bin?", "Message", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

                    if (dr == DialogResult.Yes)

                    {

                        SPSite Site = new SPSite(requestUrl);

                        using (SPWeb web = Site.OpenWeb())

                        {

                            SPList list = web.Lists[DocLibrary];

                            SPListItem item = list.GetItemById(DocumentID);

                            SPListItemVersionCollection Fileversioncollection = item.Versions;

                            Fileversioncollection.RecycleAll();

                            MessageBox.Show("Document versions have been successfully deleted.", "Message");

                        }

                    }

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message, "Message");

                return;

            }

        }