CS0103: The name 'url' does not exist in the current contex

iam beginner to mvc and iam using mvc4.0

 

Iam getting this error  CS0103: The name 'url' does not exist in the current context

 

Layout.cshtml

 




@url.Content("~/Content/Site.css")rel ="stylesheet" type ="text/css"/>--error on this line







rel="stylesheet" type="text/css" />


@Styles.Render("~/Content/css")
@Scripts.Render("~/bundles/modernizr")

@Html.ActionLink("your logo here", "Index", "Home")

@Html.Partial("_LoginPartial")

@Scripts.Render("~/bundles/jquery")
@RenderSection("scripts", required: false)



-------------------------

Index.cshtml

 @model insertupdatedelete.Models.mobileda

@{
ViewBag.Title = "Index";
Layout ="~/Views/Shared/_Layout.cshtml";
}

Index

@using (Html.BeginForm()) {
@Html.ValidationSummary(true)

mobileda

@Html.LabelFor(model => model.MobileID)

@Html.EditorFor(model => model.MobileID)
@Html.ValidationMessageFor(model => model.MobileID)

@Html.LabelFor(model => model.MobileIDd)

@Html.EditorFor(model => model.MobileIDd)
@Html.ValidationMessageFor(model => model.MobileIDd)

@Html.LabelFor(model => model.MobileName)

@Html.EditorFor(model => model.MobileName)
@Html.ValidationMessageFor(model => model.MobileName)

@Html.LabelFor(model => model.MobileIMEno)

@Html.EditorFor(model => model.MobileIMEno)
@Html.ValidationMessageFor(model => model.MobileIMEno)

@Html.LabelFor(model => model.mobileprice)

@Html.EditorFor(model => model.mobileprice)
@Html.ValidationMessageFor(model => model.mobileprice)

@Html.LabelFor(model => model.mobileManufacured)

@Html.EditorFor(model => model.mobileManufacured)
@Html.ValidationMessageFor(model => model.mobileManufacured)

@Html.LabelFor(model => model.Datetime)

@Html.EditorFor(model => model.Datetime)
@Html.ValidationMessageFor(model => model.Datetime)

}





@section Scripts {
@Scripts.Render("~/bundles/jqueryval")
}

 --------------------

View webconfig

 

 

main webconfig