在Sharepoint中隐藏标题字段不起作用

Question

I am trying to do the following to hide the title field from the new and edit form but its still visible.

pls help

 /// <summary>
        /// Adds source list and content type.
        /// </summary>
        /// <param name="currentWeb"></param>
        private void AddSourcesList(SPWeb currentWeb)
        {
            currentWeb.AllowUnsafeUpdates = true;

            #region Add Source content type.
            if(currentWeb.ContentTypes[SponsoringCommon.Constants.CONTENTTYPES_SOURCES_NAME] == null)
            {
                #region Hides title column
                    currentWeb.Lists.Add(SponsoringCommon.Constants.LISTNAMES_SOURCES_NAME, string.Empty, SPListTemplateType.GenericList);
                    SPList sourceList = currentWeb.Lists.TryGetList(SponsoringCommon.Constants.LISTNAMES_SOURCES_NAME);
                    SPField titleField = sourceList.Fields.GetField("Title");
                    titleField.Required = false;                    
                    titleField.ShowInEditForm = false;
                    titleField.ShowInDisplayForm = false;
                    titleField.ShowInNewForm = false;
                    titleField.Hidden = true;
                    titleField.Update(); 
                #endregion 

Answer 1

I cannot see the rest of the code, but I had similar problem, and the thing I was missing is to .Update() the List and the Web. So in your case try to update sourceList and at the end currentWeb .

Hopefully, it will help solve your problem.