Example #1
0
 private string GetChildStr(int parent_id)
 {
     string reVal = string.Empty;
     if (parent_id > 0)
     {
         IList<MENU> list;
         using (etMgr = new MYCRMEntities())
         {
             var lst = from m in etMgr.MENU.OfType<MENU>()
                    where m.PARENT_ID == parent_id && m.STATUS==1
                    select m;
             list = lst.ToList<MENU>();
         }
         StringBuilder sb = new StringBuilder();
         StringWriter sw = new StringWriter(sb);
         using (JsonWriter jsonWriter = new JsonTextWriter(sw))
         {
             jsonWriter.Formatting = Formatting.Indented;
             jsonWriter.WriteStartArray();
             foreach (MENU m in list)
             {
                 jsonWriter.WriteStartObject();
                 jsonWriter.WritePropertyName("name");
                 jsonWriter.WriteValue(m.NAME);
                 jsonWriter.WritePropertyName("id");
                 jsonWriter.WriteValue(m.MENU_ID);
                 jsonWriter.WritePropertyName("url");
                 jsonWriter.WriteValue(m.URL);
                 jsonWriter.WritePropertyName("target");
                 jsonWriter.WriteValue(string.IsNullOrEmpty(m.TARGET.Trim()) ? "_parent" : m.TARGET);
                 int count = 0;
                 using (etMgr = new MYCRMEntities())
                 {
                     count = etMgr.MENU.Count(me => me.PARENT_ID == m.MENU_ID && me.STATUS==1);
                 }
                 if (count > 0)
                 {
                     jsonWriter.WritePropertyName("nodes");
                     sb.Append(GetChildStr(m.MENU_ID));
                 }
                 jsonWriter.WriteEndObject();
             }
             jsonWriter.WriteEnd();
         }
         reVal = sb.ToString();
     }
     return reVal;
 }