title: How to upload image to jqgrid column
body: <p>jqGrid shows images in column using colmodel below. Images are stored in database in binary column.
  How to allow users to upload image to existing and new row ?</p>
  
  <pre><code>colModel: [{"name":"ProductId","edittype":"custom","editoptions":{"custom_element":function(value, options) { return   combobox_element(value, options)}
  ,"custom_value":combobox_value
  },"editable":true,"width":112,"fixed":true,"hidden":false},
  
  {"name":"Image","formatter":function( cell, options,row) {
                               return "&lt;img src='Grid/GetImage?image=" +  row[0] + "'/&gt;"
  }
  }]
  
  public FileContentResult GetImage(string image) {
      byte[] image = ....
      return File(image, "image/jpg");
  }
  </code></pre>