title: How can i stop a dropdownlist from value change on selection in kendo/angular
body: <p>I want the control of dropdown list value selection change. I want to stop the selected value change in the dropdownlist.</p>
  
  <p>I have kendo dropdown list, on its triggering valueChange event.</p>
  
  <pre><code>&lt;kendo-dropdownlist #dropdownlist required [data]="responseTypes" 
                                  [defaultItem]="{responseTypeID: null, responseTypeName: 'Select Response Type'}"
                                  [textField]="'responseTypeName'"
                                  [valueField]="'responseTypeID'"
                                  name="responseTypeId"
                                  [(ngModel)]="selectedResponseType"
                                  (valueChange)="responseTypeChange($event)"
                                  #responseTypeIdVar="ngModel" class="form-control" style="width:180px;"&gt;
  
  &lt;/kendo-dropdownlist&gt;
  </code></pre>