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[Solved] Cannot write to a closed textwriter

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Kevin asked on 31 Oct 2012, 10:56 PM

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Hi,

I have a an _Layout.cshtml with the following two registrar calls in it ....

<html>

<head runat="server">

<title>@ViewBag.Title</title>

@Html.Telerik().StyleSheetRegistrar().DefaultGroup(group => group.Add("telerik.common.min.css")

.Add("telerik.telerik.min.css")

.Add("validationEngine.jquery.css")

.Add("Scheduler.css")

.Add("Site.css")

.Add("Reports.css")

.Add("print.css")

.Combined(true)

.Compress(true))

</head>

<body>

<div>

@RenderBody()

</div>

@{ Html.Telerik().ScriptRegistrar().Scripts(scripts =>

scripts.AddGroup("everything", group => group.Add("telerik.common.js")

.Add("jquery-1.7.1.js")

.Add("jquery.validate.js")

.Add("~/Scripts/jquery.validate.unobtrusive.min.js")

)).Render();

}

@RenderSection("postJavascript", false)

</body>

</html>

I have a page that uses a bunch of telerik controls and when this page runs it loads fine. But when I try to run another page ... as follows

@model ViewModels.CreateScheduleViewModel

@{

ViewBag.Title = "CreateSchedule2";

Layout = "~/Views/Shared/_Layout.cshtml";

}

@section postJavascript{

<script src="@Url.Content("~/Scripts/2012.2.607/jquery-1.7.1.min.js")" type="text/javascript"></script>

<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>

<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>

@Html.ValidationSummary(true)

}

<h2>CreateSchedule2</h2>

@using (Html.BeginForm()) {

<fieldset>

<legend>CreateScheduleViewModel</legend>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.DefaultClub)

@Html.ValidationMessageFor(model => model.DefaultClub)

</div>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.TimePickerInterval)

@Html.ValidationMessageFor(model => model.TimePickerInterval)

</div>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.MinStartDate)

@Html.ValidationMessageFor(model => model.MinStartDate)

</div>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.MaxStartDate)

@Html.ValidationMessageFor(model => model.MaxStartDate)

</div>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.DefaultStartDate)

@Html.ValidationMessageFor(model => model.DefaultStartDate)

</div>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.MinAvailableDate)

@Html.ValidationMessageFor(model => model.MinAvailableDate)

</div>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.MaxAvailableDate)

@Html.ValidationMessageFor(model => model.MaxAvailableDate)

</div>

<div class="editor-label">

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

</div>

<div class="editor-field">

@Html.EditorFor(model => model.DefaultAvailableDate)

@Html.ValidationMessageFor(model => model.DefaultAvailableDate)

</div>

<p>

<input type="submit" value="Save" />

</p>

</fieldset>

@(Html.Telerik().DropDownList()

.Name("ClubDropDown")

.BindTo(new SelectList(Model.Clubs, "ClubNo", "ClubNameFormatted"))

.HtmlAttributes(new { style = "width:300px" })

.SelectedIndex(Model.DefaultClub)

.Placeholder("Select which Club")

.ClientEvents(events => events

.OnChange("clubDropDownChange")

)

}

<div>

@Html.ActionLink("Back to List", "Index")

</div>

I get the following error ...

[ObjectDisposedException: Cannot write to a closed TextWriter.]

System.IO.StringWriter.Write(Char[] buffer, Int32 index, Int32 count) +12505613

System.IO.TextWriter.WriteLine(String value) +204

Telerik.Web.Mvc.UI.ScriptRegistrar.WriteScriptSources(TextWriter writer) in f:\109\Griffin\Trunk Full\Sources\Source\Telerik.Web.Mvc\UI\ScriptRegistrar\ScriptRegistrar.cs:332

Telerik.Web.Mvc.UI.ScriptRegistrar.Write(TextWriter writer) in f:\109\Griffin\Trunk Full\Sources\Source\Telerik.Web.Mvc\UI\ScriptRegistrar\ScriptRegistrar.cs:314

Telerik.Web.Mvc.UI.ScriptRegistrar.Render() in f:\109\Griffin\Trunk Full\Sources\Source\Telerik.Web.Mvc\UI\ScriptRegistrar\ScriptRegistrar.cs:300

ASP._Page_Views_Shared__Layout_cshtml.Execute() in c:\SVN\code\branches\development\systems\CARE\apps\CAREweb.NET\Views\Shared\_Layout.cshtml:31

System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +280

System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +104

System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +173

System.Web.WebPages.WebPageBase.Write(HelperResult result) +89

System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action`1 body) +234

System.Web.WebPages.WebPageBase.PopContext() +222

System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +384

System.Web.Mvc.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19() +33

System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +825572

System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +265

System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +825600

System.Web.Mvc.Controller.ExecuteCore() +159

System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +335

System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +62

System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +20

System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +54

System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +469

System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +375

All I did was was create the page and strongly type my model (scaffolded - create). And for this specific page the scriptRegistrar doesn't work ...

I found this link ... http://www.telerik.com/community/forums/aspnet-mvc/general/style-sheet-registrar-giving-cannot-write-to-a-closed-textwriter-when-it-is-inside-of-a-partial-view-or-template.aspx but it seems if I take off the Render() call then I don't get the error but then no javascript files are included at all on all my pages using this layout - so none of the controls work.If I have the Render() call then my other pages work but I get that exception on this page ... What's happening here and why?

I also haven't really been able to find any complete documentation on the ScriptRegistrar ... I have found where it looks and I have found out about the debug/ min extensions but nowhere have I actually found any documentation about how it does what it does. Without that I don't know if I'm doing the right thing or not. Also does the telerik.all.js or the telerik.common.js file include the jquery files? What about jquery validate? It's pretty difficult to figure stuff out from the minified versions of these files ... are there unminified versions of these files somewhere?

I've attached a screenshot as well ...