Java

var history = function(value, rowIndex) {
               var id = this.grid.getItem(rowIndex).ID;
                return "<img src=/img/showimg.jpg width=20 height=20 id=button1">";
           };

<script>
$(function() {
    $( "#dialog" ).dialog({
      autoOpen: false,
      show: {
        effect: "blind",
        duration: 1000
      },
      hide: {
        effect: "explode",
        duration: 1000
      }
    });
 
    $( "#button1" ).click(function() {
      $( "#dialog" ).dialog( "open" );
    });
  });