主题XXX不能在应用程序或全局主题目录中找到

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问 题

My asp.net site allows users to pick the theme they want from a list generated from the app_themes folder. From time to time, themes are renamed or removed. Any user who has selected a deleted theme name (it is stored in a cookie) will get the exception:

Theme 'XXX' cannot be found in the application or global theme directories
Stack Trace: 
[HttpException (0x80004005): Theme 'test' cannot be found in the application or global theme directories.]
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType(String themeName) +920
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType(HttpContext context, String themeName) +73
   System.Web.UI.Page.InitializeThemes() +8699455
   System.Web.UI.Page.PerformPreInit() +38
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +282

Where is the best place to trap and handle this exception?

解决方案

In the Page_PreInit method where you assign themes, there's a couple of ways to deal with it. What I do is check to make sure that the directory exists. If it does, then that's the theme I want. If it doesn't, then use a default theme where I know the directory exists.

void Page_PreInit(object sender, EventArgs e)
{
    if (ViewState["PageTheme"] == null)
    {
        if (!Directory.Exists("~/App_Themes/THEMENAME_TO_LOOK_FOR"))
        {
            Theme = "DEFAULT_THEME"
        } 
        else 
        {
            Theme = "THEMENAME_TO_LOOK_FOR";
        }
        ViewState["PageTheme"] = Theme;
    } 
    else 
    {
        Theme = ViewState["PageTheme"].ToString();
    }
}

I usually store in the viewstate so I don't have to recheck every time but if you're changing themes on-the-fly, then you'll probably need to not do that.

本文地址：IT屋 Theme 'XXX' cannot be found in the application or global theme directories

问 题

我的asp.net网站允许用户挑选她们想要的主题，从App_Themes文件文件夹中生成一个列表。不时，主题被重命名或删除。谁将要选择了一个已删除的主题名称（它是存储在cookie中）的任何用户会受到一个异常：

 主题'XXX'不能在应用程序或全局主题目录中找到
堆栈跟踪：
[HttpException（0x80004005的）：主题测试”无法在应用程序或全局主题目录中找到]
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType（字符串THEMENAME）920
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType（HttpContext的背景下，字符串THEMENAME）+73
   System.Web.UI.Page.InitializeThemes（）8699455
   System.Web.UI.Page.Perform preINIT（）+38
   System.Web.UI.Page.ProcessRequestMain（布尔includeStagesBeforeAsyncPoint，布尔includeStagesAfterAsyncPoint）+282

哪里是陷阱里最好的地方，处理这个异常？

解决方案

在哪里分配主题Page_ preINIT方法wince主题软件，有几种方法来对抗它。我应做的就是检查，以保证该目录存在。如果确实这么，那么这就是我想要的主题。如果没有，则使用一个默认的主题，我知道该目录存在。

 无效Page_ preINIT（对象发件人，EventArgs的发送）
{
    如果（的ViewState [PageTheme”] == NULL）
    {
        如果（！Directory.Exists（〜/ App_Themes文件/ THEMENAME_TO_LOOK_FOR”））
        {
            主题=DEFAULT_THEME”
        }
        其他
        {
            主题=THEMENAME_TO_LOOK_FOR”;
        }
        的ViewState [PageTheme”] =主题;
    }
    其他
    {
        。主题=的ViewState [PageTheme”]的ToString（）;
    }
}

我常常在ViewState中存储，所以我不必再检查每一次，但即使你改变对即时主题，那么你或许应该这样做。

本文地址：IT屋 主题'XXX'不能在应用程序或全局主题目录中找到

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百度翻译此文有道翻译此文

问 题

我的asp.net网站允许用户挑选她们想要的主题，从App_Themes文件文件夹中生成一个列表。不时，主题被重命名或删除。谁将要选择了一个已删除的主题名称（它是存储在cookie中）的任何用户会受到一个异常：

 主题'XXX'不能在应用程序或全局主题目录中找到
堆栈跟踪：
[HttpException（0x80004005的）：主题“测试”无法在应用程序或全局主题目录中找到]
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType（字符串THEMENAME）920
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType（HttpContext的背景下，字符串THEMENAME）+73
   System.Web.UI.Page.InitializeThemes（）8699455
   System.Web.UI.Page.Perform preINIT（）+38
   System.Web.UI.Page.ProcessRequestMain（布尔includeStagesBeforeAsyncPoint，布尔includeStagesAfterAsyncPoint）+282

哪里是陷阱里最好的地方，处理这个异常？

解决方案

在哪里分配主题Page_ preINIT方法，有几种方法来对抗它。我应做的就是检查，以保证该目录存在。如果确实这么，那么这就是我想要的主题。如果没有，则使用一个默认的主题，我知道该目录存在。

 无效Page_ preINIT（对象发件人，EventArgs的发送）
{
    如果（的ViewState [“PageTheme”] == NULL）
    {
        如果（！Directory.Exists（“〜/ App_Themes文件/ THEMENAME_TO_LOOK_FOR”））
        {
            主题=“DEFAULT_THEME”
        }
        其他
        {
            主题=“THEMENAME_TO_LOOK_FOR”;
        }
        的ViewState [“PageTheme”] =主题;
    }
    其他
    {
        。主题=的ViewState [“PageTheme”]的ToString（）;
    }
}

我常常在ViewState中存储wince主题软件，所以我不必再检查每一次，但即使你改变对即时主题，那么你或许应该这样做。

本文地址：IT屋 主题'XXX'不能在应用程序或全局主题目录中找到

问 题

My asp.net site allows users to pick the theme they want from a list generated from the app_themes folder. From time to time, themes are renamed or removed. Any user who has selected a deleted theme name (it is stored in a cookie) will get the exception:

Theme 'XXX' cannot be found in the application or global theme directories
Stack Trace: 
[HttpException (0x80004005): Theme 'test' cannot be found in the application or global theme directories.]
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType(String themeName) +920
   System.Web.Compilation.ThemeDirectoryCompiler.GetThemeBuildResultType(HttpContext context, String themeName) +73
   System.Web.UI.Page.InitializeThemes() +8699455
   System.Web.UI.Page.PerformPreInit() +38
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +282

Where is the best place to trap and handle this exception?

解决方案

In the Page_PreInit method where you assign themes, there's a couple of ways to deal with it. What I do is check to make sure that the directory exists. If it does, then that's the theme I want. If it doesn't, then use a default theme where I know the directory exists.

void Page_PreInit(object sender, EventArgs e)
{
    if (ViewState["PageTheme"] == null)
    {
        if (!Directory.Exists("~/App_Themes/THEMENAME_TO_LOOK_FOR"))
        {
            Theme = "DEFAULT_THEME"
        } 
        else 
        {
            Theme = "THEMENAME_TO_LOOK_FOR";
        }
        ViewState["PageTheme"] = Theme;
    } 
    else 
    {
        Theme = ViewState["PageTheme"].ToString();
    }
}

I usually store in the viewstate so I don't have to recheck every time but if you're changing themes on-the-fly, then you'll probably need to not do that.

本文地址：IT屋 Theme 'XXX' cannot be found in the application or global theme directories

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