private void GetConversationList()
        {
            if (UserList.SelectedIndex != -1)
            {
                divConversation.Visible = true;
            }
            else
            {
                divConversation.Visible = false;
            }

            long currentUserId  = UserHelper.CurrentUser.UserId;
            long selectedUserId = Convert.ToInt64(UserList.SelectedValue);

            try
            {
                ServiceResult <List <ConversationDTO> > serviceResult = new ServiceResult <List <ConversationDTO> >();
                var queryString = new Dictionary <string, string>();
                queryString.Add("currentUserId", currentUserId.ToString());
                queryString.Add("userId", selectedUserId.ToString());
                var response = ApiHelper.CallGetApiMethod(ApiKeys.MessageApiUrl, "GetConversationList", queryString);
                if (!response.IsSuccessStatusCode)
                {
                    throw new Exception("Hata oluştu!");
                }
                var data = response.Content.ReadAsStringAsync().Result;
                serviceResult = JsonConvert.DeserializeObject <ServiceResult <List <ConversationDTO> > >(data);

                if (serviceResult.ServiceResultType != EnumServiceResultType.Success)
                {
                    throw new Exception(serviceResult.ErrorMessage);
                }

                if (serviceResult.Result == null)
                {
                    throw new Exception(serviceResult.ErrorMessage);
                }

                ConversationList.DataSource = serviceResult.Result;
                ConversationList.DataBind();
            }
            catch (Exception ex)
            {
            }
        }