Question

asp.net中C# "不支持给定路径的格式"高手指导

System.NotSupportedException: 不支持给定路径的格式。

源错误:

行 19: return;
行 20: }
行 21: string s = Server.MapPath("../Document/" + addFile.PostedFile.FileName);
行 22: addFile.SaveAs(s);
行 23:

堆栈跟踪:

[NotSupportedException: 不支持给定路径的格式。]
System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath) +9368832
System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath) +254
System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList) +85
System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, String path) +63
System.Web.InternalSecurityPermissions.PathDiscovery(String path) +29
System.Web.HttpRequest.MapPath(VirtualPath virtualPath, VirtualPath baseVirtualDir, Boolean allowCrossAppMapping) +146
System.Web.HttpRequest.MapPath(VirtualPath virtualPath) +37
System.Web.HttpServerUtility.MapPath(String path) +99
Manage_AddDocument.btnAdd_Click(Object sender, EventArgs e) in e:\Course_study\Manage\AddDocument.aspx.cs:21
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563

Answer 1

string s = Server.MapPath("~/Document/" + addFile.PostedFile.FileName);
试试

Answer 2

string s = Server.MapPath("..\\Document\\" + addFile.PostedFile.FileName);

Answer 3

请用管理员身分打开vs，你要操作的文件位置在系统盘，应该是访问权限的问题，具体还得查。