title: Send Ajax request from JqGrid ShowLink click
body: <p>I need to load some dynamic html when a user click on a link in a jqGrid.</p>
  
  <p>here is my definition </p>
  
  <pre><code>function loadUserAdministrationList() {
      jQuery("#userlist").jqGrid({
          url: '/Administration/GetData/',
          datatype: 'json',
          mtype: 'GET',
          colNames: ['Username', 'Prénom', 'Nom', 'Courriel'],
          colModel: [{ name: 'Username', index: 'Username', width: 300, align: 'left',
                       edittype: 'select', formatter: 'showlink',
                       formatoptions: { baseLinkUrl: '/Administration/ModifyUser'} },
                { name: 'Prénom', index: 'Firstname', width: 300, align: 'left' },
                { name: 'Nom', index: 'Lastname', width: 300, align: 'left' },
                { name: 'Courriel', index: 'Email', width: 300, align: 'left'}],
          pager: jQuery('#userlistpager'),
          rowNum: 20,
          rowList: [5, 10, 20, 50],
          sortname: 'Firstname',
          sortorder: "asc",
          height:600,
          viewrecords: true,
          imgpath: '/Public/css/theme/custom/images',
          caption: '',
          loadtext: 'Chargement des utilisateurs...'
      }).navGrid('#userlistpager',
                  { search: true, edit: false, add: false, del: false },
                  {}, // default settings for edit
                  {}, // default settings for add
                  {}, // default settings for delete
                  { closeOnEscape: true, multipleSearch: true,
                    closeAfterSearch: true }, //search options
                  {}
      );
  };
  </code></pre>
  
  <p>as you can see i would like to load a modification form.
  How can i tell jqGrid to do an ajax call on the click of showLink ?
  Thanks</p>