首先需要下载 Elmah.dll 并引用到项目中.
然后在web.config中配置启用 Elmah
配置项如下.
web.config
<configuration> <configSections> <sectionGroup name="elmah"> <section name="security" requirePermission="false" type="Elmah.SecuritySectionHandler, Elmah" /> <section name="errorLog" requirePermission="false" type="Elmah.ErrorLogSectionHandler, Elmah" /> <section name="errorMail" requirePermission="false" type="Elmah.ErrorMailSectionHandler, Elmah" /> <section name="errorFilter" requirePermission="false" type="Elmah.ErrorFilterSectionHandler, Elmah" /> </sectionGroup> </configSections> <system.web> <httpModules> <add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" /> <add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" /> <add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" /> </httpModules> </system.web> <system.webServer> <handlers> <add name="elmah" verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" /> </handlers> <modules runAllManagedModulesForAllRequests="true"> <add name="ErrorLog" type="Elmah.ErrorLogModule, Elmah" preCondition="managedHandler" /> <add name="ErrorMail" type="Elmah.ErrorMailModule, Elmah" preCondition="managedHandler" /> <add name="ErrorFilter" type="Elmah.ErrorFilterModule, Elmah" preCondition="managedHandler" /> </modules> </system.webServer> <elmah> <security allowRemoteAccess="false" /> <!-- true 可以远程访问啦 --> <errorLog type="Elmah.XmlFileErrorLog, Elmah" logPath="~/App_Data/Elmah.Errors" /> </elmah> </configuration>
为了方便你使用,我已将与elmah无关的给删除掉了.
在代码中你就可以像下面这样用了.
try { string WeiXinDatabaseConnectionString = System.Web.Configuration.WebConfigurationManager.ConnectionStrings["WeiXinDatabaseConnectionString"].ToString(); DataClassesDataContext dbContext = new DataClassesDataContext(WeiXinDatabaseConnectionString); dbContext.WeiXiu.InsertOnSubmit(viewmodel); dbContext.SubmitChanges(); } catch (Exception ex) { Elmah.Error error = new Elmah.Error(ex, System.Web.HttpContext.Current); var errorid = Elmah.XmlFileErrorLog.GetDefault(System.Web.HttpContext.Current).Log(error); ViewBag.Message = "亲,对不起,系统崩溃啦.错误号:" + errorid; return View(viewmodel); }
当客户向你反馈了错误号以后,你可以这样看.
单个错误的地址: http://localhost/elmah.axd/detail?id=4170d014-ea2c-405d-947e-d32af2d13110
id=后面跟上错误号...就是哪个错误.
平常没事的时候可以自己上去看看所有的错误
地址: http://localhost/elmah.axd