DateTime.Now Help Please

try
            {
                using (SPSite site = new SPSite("http://wingtip:49074"))
                {
 
                    LabelShowTitle.Text = string.Empty;
                    LabelShowContents.Text = string.Empty;
                    LabelShowDatum.Text = string.Empty;
                    LabelAuthor.Text = string.Empty;
                    LabelLink.Text = string.Empty;
 
                    SPWeb web = SPContext.Current.Web;
                    SPList list = web.Lists.TryGetList(DropDownListSelectCategory.SelectedItem.Value);
 
                     
                    SPListItemCollection items = list.GetItems();
                    items= items.OrderByDescending(e=>e.Date).ToList();
 
                    foreach (SPListItem news in items)
                        
                    {
                            TextBoxContents.Text = news["Contents"].ToString();
                           
                            LabelShowTitle.Text = news["Title"].ToString();
                            //LabelShowContents.Text = news["Contents"].ToString();
                            LabelShowDatum.Text = news["Date"].ToString();
                            LabelAuthor.Text = news["Authors"].ToString();
                                LabelLink.Text = new SPFieldUrlValue(news["Links"].ToString()).Url;
                        }
                    site.Dispose();
                    }                  
                
            }
            catch(Exception x)
            {
 
                LabelError.Text = x.Message;
            }
 
            }