How to get selected text to the controller in kendo autocomplete

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ASP.NET

MVC

Kendo

Hello,

I am new to mvc kendo ui i used kendoautocomplete and able to get the list when i typed in the textbox. here is my razor code

<div>
   @(Html.Kendo().AutoComplete()
              .Name("CPT")
              .DataTextField("cptcode")
              .Filter(FilterType.StartsWith)
              .DataSource(source =>
              {
                  source.Read(read =>
                  {
                      read.Action("GetCpt", "TransactionDetail").Data("onAdditionalData");
                  })
                  .ServerFiltering(true);
              })
      )
</div>

and in controller the method is

public JsonResult GetCpt(string text)
{
    List<cptmaster> cptlist = new List<cptmaster>();
    var cptcodelist = db.cptmasters.Select(a => new cptmaster { cptcode= a.cptcode, mod1= a.mod1  }).ToList();
    if (!string.IsNullOrEmpty(text))
    {
        cptcodelist = cptcodelist.Where(a => a.cptcode.StartsWith(text)).ToList();
    }

    return Json(cptcodelist, JsonRequestBehavior.AllowGet);
}

I want to save data to the database and how to get the selected text from the autocomplete textbox i tried select event but couldnt get the value. Thanks in advance for help.