手机访问Form认证报错 error CS1540

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原文链接：http://www.cnblogs.com/sxp227/archive/2012/09/14/2684933.html

文章标签：

#runtime #ui

解决Office 2010更新后，手机Form认证访问出现编译错误的问题，通过修改mbllogin.aspx页面代码中的SPMobilePage.strReturnUrl为this.strReturnUrl。

启用Form认证后，通过手机以Form认证方式访问，报错。

默认安装的SP1是没问题的，装了一个补丁【office2010-kb2598151-fullfile-x64-glb，这补丁还真必须装，否则问题更多，比如我照死打不开那个UserProfileManage】以后就挂了。

错误如下（说实话，看到这个错误，我心都凉了，又不是哥写的代码，怎么会有Compile错误！）：

Runtime tkau Unexpected System.Web.HttpCompileException: c:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\LAYOUTS\MOBILE\mbllogin.aspx(21): error CS1540: Cannot access protected member 'Microsoft.SharePoint.MobileControls.SPMobilePage.strReturnUrl' via a qualifier of type 'Microsoft.SharePoint.MobileControls.SPMobilePage'; the qualifier must be of type 'ASP._layouts_mobile_mbllogin_aspx' (or derived from it) at System.Web.Compilation.AssemblyBuilder.Compile() at System.Web.Compilation.BuildProvidersCompiler.PerformBuild() at System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at... bbeec570-16cd-43d5-9e09-da6e233d6c9b
Runtime tkau Unexpected ... System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert) at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) at System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) at System.Web.HttpApplication.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at Sys... bbeec570-16cd-43d5-9e09-da6e233d6c9b
Runtime tkau Unexpected ...tem.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) bbeec570-16cd-43d5-9e09-da6e233d6c9b

很无语，最后发现是因为微软自己提供的mbllogin.aspx这个页面的代码有bug

将此页面代码中所有的SPMobilePage.strReturnUrl，改为this.strReturnUrl就可以了。因为SPMobilePage类型不能访问被保护的strReturnUrl属性，只能通过ASP.template_layouts_mobile_mbllogin_asp类型去访问，而这个类型就是当前这个页面所属的对象类型，所以将SPMobilePage换成this就OK了。

protected override void OnInit(EventArgs e)
{
    base.OnInit(e);
    //SPMobilePage.strReturnUrl
    if (null == Request.QueryString[this.strReturnUrl])
    {
        string filePath  = this.Request.FilePath;
        string fileName  = System.IO.Path.GetFileName(filePath);
        string returnUrl = filePath.Replace(fileName, SPMobileUtility.DefaultFileName);
        string redirectUrl =
            filePath + '?' + this.strReturnUrl + '=' + SPHttpUtility.UrlKeyValueEncode(returnUrl);
        this.Response.Redirect(redirectUrl, true);
    }
}

protected void Login_Click(Object sender, EventArgs e)
{
    SPIisSettings iisSettings = SPMobileUtility.GetIisSettings(this.Context);
    if (iisSettings.UseClaimsAuthentication)
    {
        if (SPClaimsUtility.AuthenticateFormsUser(this.Request.Url, mobileLoginTextBox.Text, mobilePwdTextBox.Text))
        {
            string redirectUrl = this.Request.QueryString[this.strReturnUrl];
            redirectUrl = SPHttpUtility.UrlPathEncode(redirectUrl, true, true);
            SPMobileUtility.Redirect(redirectUrl, SPRedirectFlags.DoNotEncodeUrl, this.Context);
        }
    }
    else
    {
        if (IsAuthenticated(mobileLoginTextBox.Text, mobilePwdTextBox.Text))
        {
            FormsAuthentication.SetAuthCookie(mobileLoginTextBox.Text, false);
            MobileFormsAuthentication.RedirectFromLoginPage(mobileLoginTextBox.Text, false);
        }
    }
    lblError.Visible = true;
}