Error executing child request for ChartImg.axd

Introduction                          

        Error executing child request for ChartImg.axd.

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: Error executing child request for ChartImg.axd.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[HttpException (0x80004005): Error executing child request for ChartImg.axd.]    System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride) +2998443    System.Web.HttpServerUtility.Execute(String path, TextWriter writer, Boolean preserveForm) +842    System.Web.UI.DataVisualization.Charting.ChartHttpHandler.EnsureInitialized(Boolean hardCheck) +250    System.Web.UI.DataVisualization.Charting.Chart.GetImageStorageMode() +24    System.Web.UI.DataVisualization.Charting.Chart.get_CurrentImageLocation() +40    System.Web.UI.DataVisualization.Charting.Chart.Render(HtmlTextWriter writer) +306    System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27    System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100    System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25    System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +208    System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +173    System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +31    System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output) +53    System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27    System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100    System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +40    System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +208    System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +8    System.Web.UI.Page.Render(HtmlTextWriter writer) +29    System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +27    System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100    System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25    System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3060

Solution

For .net framework 3.0 and 3.5

<httpHandlers>

      <add path="ChartImg.axd" verb="GET,HEAD,POST" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false" />

</httpHandlers>

For .net framework 4.0

<httpHandlers>

      <add path="ChartImg.axd" verb="GET,HEAD,POST" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false" />

    </httpHandlers>

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Excel Interop : System.Runtime.InteropServices.COMException (0x800A03EC): Microsoft Office Excel cannot access the file

Introduction

System.Runtime.InteropServices.COMException (0x800A03EC): Microsoft Office Excel cannot access the file 'D:\sunil\sunil.xls. There are several possible reasons: • the file name or path does not exist. •

This error occur on widows server 2008 r2 64 bit

 

Solution

Create folder Desktop.

Create directory "C:\Windows\SysWOW64\config\systemprofile\Desktop” (for 64 bit Windows) or "C:\Windows\System32\config\systemprofile\Desktop” (for 32 bit Windows)

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HTTP Error 404 - File or Directory not found with IIS 6.0

Introduction

"HTTP Error 404 - File or Directory not found" error message when you request dynamic content with IIS 6.0

Description

When you request dynamic content such as an Active Server Pages (ASP) page, an ASP.NET page, an Internet Services API (ISAPI) application, or a Common Gateway Interface (CGI) application on a Microsoft Windows Server 2003 server that is running Internet Information Services (IIS) 6.0, you may receive one of the following error messages:

Error message 1

HTTP Error 404 - File Not Found

Error message 2

HTTP Error 404- File or Directory not found

Solution

To permit IIS to serve content that requires a specific ISAPI or CGI extension that is already listed in the Web service extensions list, follow these steps:

1. Open IIS Manager, expand the master server node (that is, the Server name node), and then select the Web service extensions node.
2. In the right pane of IIS Manager, right-click the extension that you want to enable. In this example, this is Active Server Pages.
3. Click to select the Allow check box.

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How to Registrar IIS on Windows server or Windows 7 or Windows XP

Introduction

    How to Registrar IIS on Windows server or Windows 7 or Windows XP

Description

The ASP.NET ISAPI version mapped to an ASP.NET application determines which version of the common language runtime (CLR) is used for the application. The ASP.NET IIS Registration Tool (Aspnet_regiis.exe) allows an administrator or installation program to easily update the script maps for an ASP.NET application to point to the ASP.NET ISAPI version that is associated with the tool. The tool can also be used to display the status of all installed versions of ASP. NET, register the ASP.NET version that is coupled with the tool, create client-script directories, and perform other configuration operations.

You canRegistrar IIS using this command is below screen shot

aspnet_regiis -i

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Mysql error 1093 - Can't specify target table for update in FROM clause

UPDATE  table_name a,

  (SELECT

Clonum_name    s

   FROM table_name

   GROUP BY Clonum_name   

   HAVING COUNT(DISTINCT Cable_no) > 1) b

SET Clonum_name    = CONCAT(Clonum_name    ,'_',Cable_no)

WHERE a. Clonum_name    = b.s

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Validation of viewstate MAC failed.

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

Set EnableViewStateMac="false" for Specific page then set on page directory

<%@ PageLanguage="C#"AutoEventWireup="true"CodeFile="Dashboard.aspx.cs"Inherits="_Default"  EnableViewStateMac="false" %>

For all page then this will set on webconfig file

<page EnableViewStateMac="false">
page >

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