ASP.NET 找不到服务报错

Failed to load resource: the server responded with a status of 404 (Not Found)
ScriptResource.axd:868 Uncaught Error: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 404
at Function.Error$create as create
at Sys$WebForms$PageRequestManager$_createPageRequestManagerServerError as _createPageRequestManagerServerError
at Sys$WebForms$PageRequestManager$_onFormSubmitCompleted as _onFormSubmitCompleted
at Array. (ScriptResource.axd:47)
at ScriptResource.axd:3484
at Sys$Net$WebRequest$completed as completed
at XMLHttpRequest.Sys$Net$XMLHttpExecutor._onReadyStateChange (ScriptResource.axd:5984)

404说明你没有这个页面或者你的链接的地址写错了。