E lấy code nó ra thế này là sao a luân
Server Error in '/webevent2/V2/S4LGetItem' Application.

Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

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: Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

Source Error:


[No relevant source lines]

Source File: c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\webevent2_v2_s4lgetitem\bcc22800\55b97b63\App_Web_szixhvvo.0.cs Line: 0

Stack Trace:


[ViewStateException: Invalid viewstate.
Client IP: 117.3.65.18
Port: 4432
User-Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1
ViewState: /wEPDwULLTIxMTM2NjAzNjkPZBYCAgMPZBYCAgEPZBYEAgEPZBYCZg9kFgJmD2QWAgIHDw9kFgIeCm9uS2V5UHJlc3MFHnJldHVybiBrZXlBbGxvdygnMTIzNDU2Nzg5MCcpO2QCAw8PZBYCHgdvbmNsaWNrBRJyZXR1cm4gQ2hlY2t0eHQoKTtkGAEFHl9fQ29udHJvbHNSZXF1aXJlUG9zdEJhY2tLZXlfXxYBBQ9JbWFnZV9idG5TdWJtaXQBtEGcgo80R2U7720koqL0MxZ4zg==
Referer: [You must be registered and logged in to see this link.]
Path: /webevent2/v2/S4LGetItem/Default.aspx]

[HttpException (0x80004005): Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.]
System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +106
System.Web.UI.ViewStateException.ThrowMacValidationError(Exception inner, String persistedState) +14
System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +237
System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4
System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37
System.Web.UI.HiddenFieldPageStatePersister.Load() +207
System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +105
System.Web.UI.Page.LoadAllState() +43
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6785
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242
System.Web.UI.Page.ProcessRequest() +80
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
System.Web.UI.Page.ProcessRequest(HttpContext context) +49
ASP.default_aspx.ProcessRequest(HttpContext context) in c:\windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\webevent2_v2_s4lgetitem\bcc22800\55b97b63\App_Web_szixhvvo.0.cs:0
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75

Version Information: Microsoft .NET Framework Version:2.0.50727.3625; ASP.NET Version:2.0.50727.3634[b][/b][b][/b]

hiện giờ ko có code để lấy nhé ! bạn hãy theo dõi trên forum này thường xuyên để nắm thông tin !

em nhan nó cung báo thế anh bik bi sao ko vay chi? giúp em vs anh Khoa ơi

KhoaXu đã viết:hiện giờ ko có code để lấy nhé ! bạn hãy theo dõi trên forum này thường xuyên để nắm thông tin !