“/”应用程序中的服务器错误。

Parameter '@Id' must be defined.

说明: 执行当前 Web 请求期间，出现未经处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: MySql.Data.MySqlClient.MySqlException: Parameter '@Id' must be defined.

源错误:

执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。

堆栈跟踪: 


[MySqlException (0x80004005): Parameter '@Id' must be defined.]
   MySql.Data.MySqlClient.Statement.SerializeParameter(MySqlParameterCollection parameters, MySqlPacket packet, String parmName, Int32 parameterIndex) +280
   MySql.Data.MySqlClient.Statement.InternalBindParameters(String sql, MySqlParameterCollection parameters, MySqlPacket packet) +571
   MySql.Data.MySqlClient.Statement.BindParameters() +63
   MySql.Data.MySqlClient.Statement.Execute() +22
   MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior) +1670

[MySqlException (0x80004005): Fatal error encountered during command execution.]
   Mammothcode.Public.Data.DapperEx.Update(DbBase dbs, T t, IDbTransaction transaction, SqlQuery sql, Nullable`1 commandTimeout) in C:\Users\yc\Desktop\德玛代码最新\Mammothcode.Dema\Mammothcode.Dema\Mammothcode.Public.Data\DapperEx.cs:267
   Mammothcode.BLL.BLLBase`1.Update(T entity, IDbTransaction transaction) in C:\Users\yc\Desktop\德玛代码最新\Mammothcode.Dema\Mammothcode.Dema\Mammothcode.Bll\Bll_Auto\BLLBase.cs:65
   Mammothcode.DeMa.web.Controllers.CmsController.ApplianceExampleDetails(String id, String roleId, String pathId) in C:\Users\yc\Desktop\德玛代码最新\Mammothcode.Dema\Mammothcode.Dema\Mammothcode.DeMa.web\Controllers\CmsController.cs:354
   lambda_method(Closure , ControllerBase , Object[] ) +236
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +274
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +39
   System.Web.Mvc.Async.<>c__DisplayClass39.b__33() +120
   System.Web.Mvc.Async.<>c__DisplayClass4f.b__49() +452
   System.Web.Mvc.Async.<>c__DisplayClass37.b__36(IAsyncResult asyncResult) +15
   System.Web.Mvc.Async.<>c__DisplayClass2a.b__20() +33
   System.Web.Mvc.Async.<>c__DisplayClass25.b__22(IAsyncResult asyncResult) +240
   System.Web.Mvc.<>c__DisplayClass1d.b__18(IAsyncResult asyncResult) +28
   System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +15
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +53
   System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +15
   System.Web.Mvc.<>c__DisplayClass8.b__3(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.<>c__DisplayClass4.b__3(IAsyncResult ar) +15
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +606
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +288

版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.0.30319.34212
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