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Editorial Team
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Asked: 2026-06-02T11:20:36+00:00

I need to call a jquery function through the onchange event of this DropDownList.

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I need to call a jquery function through the onchange event of this DropDownList. I’ve googled and googled and can’t find out why my razor syntax is wrong. Help please?

@Html.DropDownListFor(model => model.Type, (List<SelectListItem>)Type, new { @onchange = "reloadDial(" + @Model.AppID, @Model.LoginID, @Model, @ViewBag.Edit + ")"})

The error is in the last part. @ViewBag.Edit + “)”}) Error is “Invalid anonymous type declarator. Anonymous type members must be declared with a member assignment, simple name or member access.”

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1 Answer

  1. Editorial Team

    Looks like the problem is you’re trying to concatenate some arguments for the javascript function. Your arguments are not in a string, so the compiler thinks you’re trying to add more properties to the anonymous object.

    So…

    "reloadDial(" + @Model.AppID, @Model.LoginID, @Model, @ViewBag.Edit + ")"

    should be:

    "reloadDial('" + @Model.AppID + "','" + @Model.LoginID + "','" +  @Model + '",'" + @ViewBag.Edit + ")"
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