<add verb="POST,GET,HEAD" path="elmah.axd" type="Elmah.ErrorLogPageFactory, Elmah" />
public class ElmahRequestValidationErrorFilter : IExceptionFilter
{
public void OnException(ExceptionContext context)
{
if (context.Exception is HttpRequestValidationException)
ErrorLog.GetDefault(HttpContext.Current).Log(new Error(context.Exception));
}
}public static void RegisterGlobalFilters (GlobalFilterCollection filters)
{
filters.Add(new ElmahRequestValidationErrorFilter());
filters.Add(new HandleErrorAttribute());
}A file activation error occurred. The physical file name 'tax.mdf' may be incorrect. Diagnose and correct additional errors, and retry the operation. CREATE DATABASE failed. Some file names listed could not be created. Check related errors.
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
<!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 --></configSections>
<connectionStrings>
<clear/>
<add name="Context"
connectionString="Data Source=(localdb)\v11.0; Integrated Security=True; MultipleActiveResultSets=True; AttachDBFilename=tax.mdf"
providerName="System.Data.SqlClient"
/>
</connectionStrings>
<entityFramework>
<defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
<parameters >
<parameter value="v11.0"/>
</parameters>
</defaultConnectionFactory>
</entityFramework>
<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration> 
<configuration>
<configSections>
<section name="rewriter" requirePermission="false" type="Intelligencia.UrlRewriter.Configuration.RewriterConfigurationSectionHandler, Intelligencia.UrlRewriter" />
</configSections>
<system.webServer>
<modules>
<add type="Intelligencia.UrlRewriter.RewriterHttpModule,Intelligencia.UrlRewriter" name="UrlRewriter" />
</modules>
</system.webServer>
<rewriter>
<rewrite url="^.*-T([0-9]+)/?$*" to="~/ShowTerol.aspx?ID=$1" processing="stop" />
</rewriter>
</configuration> 
@using Microsoft.Extensions.Logging
@inject ILogger<Error> Logger
@inject IJSRuntime jsRuntime
<CascadingValue Value="this">
@ChildContent
</CascadingValue>
@code {
[Parameter]
public RenderFragment? ChildContent { get; set; }
public void ProcessError(Exception ex)
{
Logger.LogError("Error:ProcessError - Type: {Type} Message: {Message}",
ex.GetType(), ex.Message);
jsRuntime.ToastrError("متاسفانه خطایی رخ داد");
//StateHasChanged();
}
} <Error>
<Router ...>
...
</Router>
</Error> @code {
[CascadingParameter]
public Error? Error { get; set; }
private void CreatePost()
{
try
{
throw new InvalidOperationException("پست ساخته نشد!");
}
catch (Exception ex)
{
Error?.ProcessError(ex);
}
}
} 
public interface IEfExceptionsLogger
{
void LogException<TResult>(DbCommand command,
DbCommandInterceptionContext<TResult> interceptionContext);
}
using System.Data.Common;
using System.Data.Entity.Infrastructure.Interception;
namespace ElmahEFLogger
{
public class EfExceptionsInterceptor : IDbCommandInterceptor
{
private readonly IEfExceptionsLogger _efExceptionsLogger;
public EfExceptionsInterceptor(IEfExceptionsLogger efExceptionsLogger)
{
_efExceptionsLogger = efExceptionsLogger;
}
public void NonQueryExecuted(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
{
_efExceptionsLogger.LogException(command, interceptionContext);
}
public void NonQueryExecuting(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
{
_efExceptionsLogger.LogException(command, interceptionContext);
}
public void ReaderExecuted(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
{
_efExceptionsLogger.LogException(command, interceptionContext);
}
public void ReaderExecuting(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
{
_efExceptionsLogger.LogException(command, interceptionContext);
}
public void ScalarExecuted(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
{
_efExceptionsLogger.LogException(command, interceptionContext);
}
public void ScalarExecuting(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
{
_efExceptionsLogger.LogException(command, interceptionContext);
}
}
} using System;
using System.Data.Common;
using System.Data.Entity.Infrastructure.Interception;
using Elmah;
namespace ElmahEFLogger.CustomElmahLogger
{
public class ElmahEfExceptionsLogger : IEfExceptionsLogger
{
/// <summary>
/// Manually log errors using ELMAH
/// </summary>
public void LogException<TResult>(DbCommand command,
DbCommandInterceptionContext<TResult> interceptionContext)
{
var ex = interceptionContext.OriginalException;
if (ex == null)
return;
var sqlData = CommandDumper.LogSqlAndParameters(command, interceptionContext);
var contextualMessage = string.Format("{0}{1}OriginalException:{1}{2} {1}", sqlData, Environment.NewLine, ex);
if (!string.IsNullOrWhiteSpace(contextualMessage))
{
ex = new Exception(contextualMessage, new ElmahEfInterceptorException(ex.Message));
}
try
{
ErrorSignal.FromCurrentContext().Raise(ex);
}
catch
{
ErrorLog.GetDefault(null).Log(new Error(ex));
}
}
}
} public class ElmahEfInterceptor : EfExceptionsInterceptor
{
public ElmahEfInterceptor()
: base(new ElmahEfExceptionsLogger())
{ }
} DbInterception.Add(new ElmahEfInterceptor());
