disable asp.net mvc dropdown using jquery

Question

Below is my jquery code and my ASP>NET mvc razor code. Razor code is for dropdown list. I want to disable the dropdown when the labelCount variables value is 0. The values comes to 0 but the dropdown is not getting disabled.

if (labelCount == 0) {
    $("#AndOrSelection").attr("disabled", "disabled");
}

@Html.DropDownList("AndOrSelection", new List<SelectListItem>()
{ 
    new SelectListItem { Text = "And", Value = "And" },
    new SelectListItem { Text = "Or", Value = "Or" }
}, "Select criteria")

Your code works fine. Is the script in a document.ready() block? Are you getting any errors in the browser console? — user3559349
– user3559349, Commented Mar 13, 2015 at 11:32
@StephenMuecke : thanks.. the code wasn't inside document.ready(). Thanks .. — user2998990
– user2998990, Commented Mar 13, 2015 at 11:34
You can also simplify you code a bit - @Html.DropDownList("AndOrSelection", new SelectList(new List<string>() { "And", "Or" }), "Select criteria") — user3559349
– user3559349, Commented Mar 13, 2015 at 11:36

Bellash · Accepted Answer · 2015-03-13 13:50:59Z

1

The best place to put your jQuery code is near the closing body tag (as best practices recommend)

Following will work

 @Html.DropDownList("AndOrSelection", new List<SelectListItem>()
 { 
   new SelectListItem { Text = "And", Value = "And" },
   new SelectListItem { Text = "Or", Value = "Or" }
 }, "Select criteria")

<script>
if (labelCount == 0) {
$("#AndOrSelection").attr("disabled", "disabled");
}
</script>
</body>

answered Mar 13, 2015 at 13:50

Bellash

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