"Failed to map the path" - error on first visit

[Jonas Auken]

hi,

I have a repeater which dynamically loads another usercontrol throught
databinding:

OnClick: DataBind()

rptProduct_ItemDataBound: ViewSmall _viewSmall = (ViewSmall)
LoadControl("ViewSmall.ascx");

The two UserControls are in the same directory on the server.
The webroot for this application is c:\inetpub\wwwroot\joa\InfoCenter\Test
and the usercontrols are placed in
c:\inetpub\wwwroot\joa\InfoCenter\Test\DesktopModu les\Csite.Product\ViewSmal
l.ascx

I get this error the first time I click this button after recompiling my
project - but only the first; all subsequent clicks, reload or whatever,
finds the UserControl and displays everything correctly:
Failed to map the path
'/InfoCenter/Test/DesktopModules/Csite.Product/ViewSmall.ascx'.
Description: An unhandled exception occurred during the execution of the
current web request. Please review the stack trace for more information
about the error and where it originated in the code.

Exception Details: System.Web.HttpException: Failed to map the path
'/InfoCenter/Test/DesktopModules/Csite.Product/ViewSmall.ascx'.

Source Error:

Line 265: {
Line 266: PlaceHolder phProduct =
(PlaceHolder)e.Item.FindControl("phProduct");
Line 267: ViewSmall _viewSmall = (ViewSmall)
LoadControl("ViewSmall.ascx");
Line 268: InfoProductRow product = (InfoProductRow)e.Item.DataItem;
Line 269: _viewSmall.Product = product;

Source File:
c:\inetpub\wwwroot\joa\infocenter\test\desktopmodu les\csite.product\viewlist
..ascx.cs Line: 267

Stack Trace:

[HttpException (0x80004005): Failed to map the path
'/InfoCenter/Test/DesktopModules/Csite.Product/ViewSmall.ascx'.]

System.Web.Hosting.ISAPIWorkerRequestInProcForIIS6 .MapPathSlowUsingIISCore(S
tring path) +197
System.Web.Hosting.ISAPIWorkerRequest.MapPath(Stri ng path) +419
System.Web.HttpRequest.MapPath(String virtualPath, String baseVirtualDir,
Boolean allowCrossAppMapping) +254
System.Web.UI.TemplateControlParser.CompileAndGetP arserCacheItem(String
virtualPath, String inputFile, HttpContext context) +99
System.Web.UI.TemplateControlParser.GetCompiledTyp e(String virtualPath,
String inputFile, HttpContext context) +12
System.Web.UI.UserControlParser.GetCompiledUserCon trolType(String
virtualPath, String inputFile, HttpContext context) +176
System.Web.UI.TemplateControl.LoadControl(String virtualPath) +41
Csite.InfoCenter.Product.List.rptProduct_ItemDataB ound(Object sender,
RepeaterItemEventArgs e) in
c:\inetpub\wwwroot\joa\infocenter\test\desktopmodu les\csite.product\viewlist
..ascx.cs:267
System.Web.UI.WebControls.Repeater.OnItemDataBound (RepeaterItemEventArgs
e) +110
System.Web.UI.WebControls.Repeater.CreateItem(Int3 2 itemIndex,
ListItemType itemType, Boolean dataBind, Object dataItem) +139
System.Web.UI.WebControls.Repeater.CreateControlHi erarchy(Boolean
useDataSource) +475
System.Web.UI.WebControls.Repeater.OnDataBinding(E ventArgs e) +49
System.Web.UI.WebControls.Repeater.DataBind() +23
Csite.InfoCenter.Product.List.rptProducts_ItemData Bound(Object sender,
RepeaterItemEventArgs e) in
c:\inetpub\wwwroot\joa\infocenter\test\desktopmodu les\csite.product\viewlist
..ascx.cs:260
System.Web.UI.WebControls.Repeater.OnItemDataBound (RepeaterItemEventArgs
e) +110
System.Web.UI.WebControls.Repeater.CreateItem(Int3 2 itemIndex,
ListItemType itemType, Boolean dataBind, Object dataItem) +139
System.Web.UI.WebControls.Repeater.CreateControlHi erarchy(Boolean
useDataSource) +475
System.Web.UI.WebControls.Repeater.OnDataBinding(E ventArgs e) +49
System.Web.UI.WebControls.Repeater.DataBind() +23
Csite.InfoCenter.Product.List.DataBind(Object[] objectArray) in
c:\inetpub\wwwroot\joa\infocenter\test\desktopmodu les\csite.product\viewlist
..ascx.cs:190
Csite.InfoCenter.Product.List.GetSearchData(InfoCe nterDB db, Guid
guidSortiment, Guid guidManufacturer, SearchType searchType, String
searchData, Int32 pageIndex) in
c:\inetpub\wwwroot\joa\infocenter\test\desktopmodu les\csite.product\viewlist
..ascx.cs:135
Csite.InfoCenter.Product.List.InitProductList() in
c:\inetpub\wwwroot\joa\infocenter\test\desktopmodu les\csite.product\viewlist
..ascx.cs:47
Csite.InfoCenter.Product.List.OnProductSearch(Obje ct sender, Sortiment
sortiment, SearchType searchType, String searchData) in
c:\inetpub\wwwroot\joa\infocenter\test\desktopmodu les\csite.product\viewlist
..ascx.cs:277
Csite.InfoCenter.ProductHandler.OnSearchEventHandl er.Invoke(Object
sender, Sortiment sortiment, SearchType searchType, String searchData) +0
Csite.InfoCenter.ProductHandler.SearchEvents.OnSea rch(Object sender,
Sortiment sortiment, SearchType searchType, String searchData) in
C:\Inetpub\wwwroot\joa\InfoCenter\InfoCenter\Csite .EventHandler\Events.cs:12
8
Csite.InfoCenter.Product.Search_postback.Search(Ob ject sender,
CommandEventArgs e) in
c:\inetpub\wwwroot\joa\infocenter\Test\DesktopModu les\Csite.Product\Search_p
ostback.ascx.cs:71
System.Web.UI.WebControls.Button.OnCommand(Command EventArgs e) +110

System.Web.UI.WebControls.Button.System.Web.UI.IPo stBackEventHandler.RaisePo
stBackEvent(String eventArgument) +115
System.Web.UI.Page.RaisePostBackEvent(IPostBackEve ntHandler
sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCol lection postData) +33
System.Web.UI.Page.ProcessRequestMain() +1277

Can you help me?

regards,
Jonas

[Steven Cheng[MSFT]]

Hi Jonas,

From your description, you're dynamically load one Usercontrol in a
webpage's repeater control's databinding event , but you got "Failed to map
the path" error every the first time you fire the databinding, yes?

After viewing the error info and call stack you provided, I'm also feeling
very strange since the absolute path asp.net is locating the control is
correct according to your description. That's the
'/InfoCenter/Test/DesktopModules/Csite.Product/ViewSmall.ascx'
and /InfoCenter should be the site root ,yes?

And as to narrow down the problem, I think we can try performing the
following test:
1. Create a new simple page and load the Usercontrol dynamically to see
whether there has the same problem.

2. If #1 hasn't any problem, try adding a repeater or datalist and
dynamically load the control in the template databound control's
databinding event to see whether the problom will occur.

In addition, based on searching in the former issues , there is some issue
mentioned that sometimes when the usercontrol's ascx templatefile is
locked by something it will popup "failed to map the path" error. So we can
also have a check to see whether there're any other programs which may lock
the usercontorl file.

If you have any other findings, please also feel free to post here. Thanks.

Regards,

Steven Cheng
Microsoft Online Support

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