title: how to get the set id value in list<string> in c#
body: <p>Attach Code: </p>
  
  <pre><code>var frameid = $('iframe').attr('id');
  
  var aData = $($($('#' + frameid).contents()).find('#form1')[0]).find("input, select, textarea").not("#__VIEWSTATEGENERATOR").serialize();
  $.ajax({
      type: "POST",
      dataType: "json",
      contentType: "application/json; charset=utf-8",
      url: "cms001Detail.aspx/saveRecord",
      data: JSON.stringify(aData),
      success: function (Record) {
          alert('success');
      },
      error: function (xhr, ajaxOptions, thrownError) {
          console.log(JSON.stringify(aData));
          alert(xhr.responseText);
          //Ext.Msg.alert(xhr.responseText, thrownError);
      }
  });
  </code></pre>
  
  <p>Inside code behind:</p>
  
  <pre><code>public static void saveRecord(List&lt;string&gt; aData)
      {
          try
          {
              Dictionary&lt;String, EntityObject&gt; param = new Dictionary&lt;string, EntityObject&gt;();
              users users = new users();
              users.id = "save3";
              foreach (object items in aData)
              {
                  Console.WriteLine(items);
  
              }
              //users.user_login = aData[0].ToString();
              ////users.password = password;
              //DateTime passExpDate;
              //if (DateTime.TryParse(passwordExpiryDate, out passExpDate))
              //{
              //    users.pwd_exp_date = DateTime.Parse(passwordExpiryDate);
              //};
              //users.name = fullName;
              //users.user_type = "";
              //users.email = email;
              //users.acc_status = "A";
              //users.role = "";
              users.last_logon_dt_tm = null;
              users.failed_count = null;
              users.created_by = "ME1";
              users.created_on = DateTime.Now;
              param.Add(users.GetType().Name, users);
  
              LazyDB ldb = new LazyDB();
              ldb.Save(param);
  
              TipBoxHelper.ShowNotify("Record Inserted");
          }
          catch (SqlException ex)
          {
              TipBoxHelper.ShowErroNotify("SQL Exception");
          }
          catch (Exception ex)
          {
              TipBoxHelper.ShowErroNotify(ex.ToString());
          }
      }
  </code></pre>
  
  <p>in foreach loop, i need to set the id value like this:</p>
  
  <p>var id = aData.id??</p>