Delete confirmtion getting error

Question

The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System.Decimal' for method 'System.Web.Mvc.ActionResult Delete(System.Decimal)' in 'HasBroRMSApplication.Controllers.CommentTemplateController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter.
Parameter name: parameters

mycode

 

@Html.ActionLink("Delete", "Delete", "CommentTemplate", new { id = @item.CommentTemplateID, onclick = "submitTest()" }) 

 

<div id="mdlAlertmsg" class="modal fade" style="padding-top:6em;">

<div class="modal-dialog" style="width:50%">

<div class="modal-content">

<div class="modal-header">

<h4 class="modal-title " style="padding-left:6em;">

Updating Data

Are you sure to delete?

</h4>

</div>

</div>

</div>

 

js

 

function submitTest() {

$("#mdlAlertmsg").modal('show');

alert('test');

}