title: how to select 0th index if value not found in kendoui combobox
body: <p>I have created kendoComboBox </p>
  
  <pre><code>jQuery("#" + id).kendoComboBox(
          {
              filter: "contains",
              change: changecallback
          }).trigger("change");
  
  var changecallback = function () {
          //var combobox = jQuery("#" + id).data("kendoComboBox");
          if (this.selectedIndex == -1) {
              this.selectedIndex = 0;
              this.trigger("change");    
              return;
          }
          this.select(this.selectedIndex);
      };
  </code></pre>
  
  <p>what i want to do is to select 0th index if the value entered is not found <code>(this.selectedIndex == -1</code>) in options. where am i going wrong?</p>