Adding a onclick dynamically using an Html Helper in MVC

Question

I need the ability to dynamically set an onclick using an HTML Helper. the below is what I'm trying to do, but i'm getting an obvious syntax error

<%=Html.CheckBox("checkboxname", item.Id = 3, New With {.onclick = "ajaxThis(this, <%= Html.Encode(item.ID) %>, '<%= Html.Encode(item.NUMBER) %>');"})%>

Kevin Pullin · Accepted Answer · 2009-05-22 19:55:24Z

1

The first step would be to remove the <%= %> from <%= Html.Encode(item.ID) %> and just call Html.Encode(item.ID) directly. Do the same with the item.NUMBER encoding.

Something like:

"ajaxThis(this, " + Html.Encode(item.ID) + ", '" + Html.Encode(item.NUMBER) + "');"

answered May 22, 2009 at 19:55

Kevin Pullin

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Tomas Aschan · Accepted Answer · 2009-05-22 19:55:53Z

1

You're entering a string, so just concat the string instead:

<%= Html.CheckBox("checkboxname", item.Id = 3, New With {.onclick = String.Concat("ajaxThis(this, ", Html.Encode(item.ID), ", '", Html.Encode(item.NUMBER), "');")})%>

However, it would probably be easier to just add a css class and hook up an event handler using jQuery.

answered May 22, 2009 at 19:55

Tomas Aschan

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