Angular: How to perform search on button click
<p>this is a sample code where user write some data in textbox and result filter accordingly but how can i filter data by clicking button?</p>

<pre><code>&lt;div ng-app="myApp" ng-controller="MyController"&gt;
 &lt;label&gt;Field: 
   &lt;select ng-model="selectedFieldName"&gt;
      &lt;option value=""&gt;--Select Account--&lt;/option&gt;
          &lt;option ng-repeat="(fieldname,fieldvalue) in customer[0]" ng-value="fieldname | uppercase"&gt;{{fieldname | uppercase}}&lt;/option&gt;
   &lt;/select&gt;  
&lt;/label&gt;

&lt;label&gt;data: &lt;input ng-model="searchText"&gt;&lt;/label&gt;
    &lt;table class="table table-striped table-bordered"&gt;
        &lt;tr&gt;
          &lt;td&gt;ID&lt;/td&gt;
          &lt;td&gt;First Name&lt;/td&gt;
          &lt;td&gt;Last Name&lt;/td&gt;
          &lt;td&gt;Salary&lt;/td&gt;
          &lt;td&gt;Date of Birth&lt;/td&gt;
          &lt;td&gt;City&lt;/td&gt;
          &lt;td&gt;Phone&lt;/td&gt;
        &lt;/tr&gt;
        &lt;tr ng-repeat="item in customer | filter:SearchList "&gt;
        &lt;!-- orderBy:'$index':false --&gt;
            &lt;td&gt;{{ item.id }}&lt;/td&gt;
            &lt;td&gt;{{ item.firstname }}&lt;/td&gt;
            &lt;td&gt;{{ item.lastname }}&lt;/td&gt;
            &lt;td&gt;{{ item.salary }}&lt;/td&gt;
            &lt;td&gt;{{ item.dob }}&lt;/td&gt;
            &lt;td&gt;{{ item.city }}&lt;/td&gt;
            &lt;td&gt;{{ item.phone }}&lt;/td&gt;
        &lt;/tr&gt;
    &lt;/table&gt;
&lt;/div&gt;

;var myApp = angular.module('myApp', []);

myApp.controller('MyController', function MyController($scope) {

    $scope.selectedFieldName='';
    $scope.searchText='';

        $scope.SearchList = function(row) {

    if ($scope.selectedFieldName &amp;&amp; $scope.searchText) {
      var propVal = row[$scope.selectedFieldName.toLowerCase()]+ '';
      if (propVal) {
        return propVal.toUpperCase().indexOf($scope.searchText.toUpperCase()) &gt; -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'
      }
    ];
})
</code></pre>

<p>please see my code and tell if i add one button then how could i trigger custom filter when user click on button after write data in textbox for search. looking for guide line. thanks</p>