angularjs - Angular: How to perform search on button click -

this sample code user write data in textbox , result filter accordingly how can filter data clicking button?

<div ng-app="myapp" ng-controller="mycontroller">  <label>field:     <select ng-model="selectedfieldname">       <option value="">--select account--</option>           <option ng-repeat="(fieldname,fieldvalue) in customer[0]" ng-value="fieldname | uppercase">{{fieldname | uppercase}}</option>    </select>   </label>  <label>data: <input ng-model="searchtext"></label>     <table class="table table-striped table-bordered">         <tr>           <td>id</td>           <td>first name</td>           <td>last name</td>           <td>salary</td>           <td>date of birth</td>           <td>city</td>           <td>phone</td>         </tr>         <tr ng-repeat="item in customer | filter:searchlist ">         <!-- orderby:'$index':false -->             <td>{{ item.id }}</td>             <td>{{ item.firstname }}</td>             <td>{{ item.lastname }}</td>             <td>{{ item.salary }}</td>             <td>{{ item.dob }}</td>             <td>{{ item.city }}</td>             <td>{{ item.phone }}</td>         </tr>     </table> </div>  ;var myapp = angular.module('myapp', []);  myapp.controller('mycontroller', function mycontroller($scope) {      $scope.selectedfieldname='';     $scope.searchtext='';          $scope.searchlist = function(row) {      if ($scope.selectedfieldname && $scope.searchtext) {       var propval = row[$scope.selectedfieldname.tolowercase()]+ '';       if (propval) {         return propval.touppercase().indexof($scope.searchtext.touppercase()) > -1;       } else {         return false;       }     }     return true;       };      $scope.customer = [       {           'id': 1,           'firstname': 'tridip',           'lastname': 'bhattacharjee',           'salary' : 15000,           'dob': '05/09/2013',           'city': 'kolkata',           'phone': '033 2589 7415'       },       {           'id': 2,           'firstname': 'arijit',           'lastname': 'banerjee',           'salary' : 25000,           'dob': '01/09/2010',           'city': 'bihar',           'phone': '033 2589 9999'       },       {           'id': 3,           'firstname': 'dibyendu',           'lastname': 'saha',           'salary' : 20000,           'dob': '06/09/2011',           'city': 'rachi',           'phone': '033 2589 3333'       },       {           'id': 4,           'firstname': 'bisu',           'lastname': 'das',           'salary' : 5000,           'dob': '05/01/2009',           'city': 'silchar',           'phone': '033 2589 2222'       },       {           'id': 5,           'firstname': 'soumyajit',           'lastname': 'kar',           'salary' : 12000,           'dob': '09/08/2011',           'city': 'kanpur',           'phone': '033 3333 1894'       }     ]; }) 

please see code , tell if add 1 button how trigger custom filter when user click on button after write data in textbox search. looking guide line. thanks

you create filter object upon click.

<input ng-model="searchtext"></label> <button ng-click="submitfilter()" class="search-button">submit</button> 

and in controller:

$scope.submitfilter(){     $scope.searchlist = $scope.searchtext; }