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Jan 2nd, 2009
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Simple <Form> data error

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Hello all,
I am trying to pass data between two files using POST method.
I am using Visual Studio 2008 and working in C# Environment to run this in ASP.net.

The code i am using is:
sareeweb.aspx

c# Syntax (Toggle Plain Text)
  1. <%@ Page Language="C#" AutoEventWireup="true"  CodeFile="sareeweb.aspx.cs" Inherits="_Default" %>
  2.  
  3. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  4.  
  5. <html xmlns="http://www.w3.org/1999/xhtml">
  6. <head runat="server">
  7.     <title>Untitled Page</title>
  8. </head>
  9. <body>
  10.     <form id="form1" action="logink.aspx" method="post" runat="server">
  11.     <div>
  12.  
  13. Name <input type="text" name="Name"/>
  14. Age <input type="text" name="Age"/>
  15. <input type="submit" />
  16.  
  17.     </div>
  18.     </form>
  19. </body>
  20. </html>

logink.aspx

C# Syntax (Toggle Plain Text)
  1. <%@ Page Language="C#" AutoEventWireup="true" CodeFile="logink.aspx.cs" Inherits="logink" debug="true"%>
  2.  
  3. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  4.  
  5. <html xmlns="http://www.w3.org/1999/xhtml">
  6. <head runat="server">
  7.     <title>Untitled Page</title>
  8. </head>
  9. <body>
  10.     <form id="form1" runat="server">
  11.     <div>
  12.     <%
  13.         string name, age;
  14.  
  15. name = Request.Form["Name"];
  16. age = Request.Form["Age"];
  17. Response.Write(name);
  18. Response.Write(age);
  19. %>
  20.  
  21.  
  22.     </div>
  23.     </form>
  24. </body>
  25. </html>

This is all what i am using and i keep getting errors on logink.aspx

Errors:
Server Error in '/sareeweb' Application.
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
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: Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

Source Error:

[No relevant source lines]


Can some one please shed some light on this please

Thank you.
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csharplearner is offline Offline
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Jan 2nd, 2009
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Re: Simple <Form> data error

Sounds like a config error. Whats in your config file?
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Re: Simple <Form> data error

Click to Expand / Collapse  Quote originally posted by LizR ...
Sounds like a config error. Whats in your config file?
There is soo much stuff in the config file..

i included the one in line 31 under system.web
C# Syntax (Toggle Plain Text)
  1. <?xml version="1.0"?>
  2. <!-- 
  3.     Note: As an alternative to hand editing this file you can use the 
  4.     web admin tool to configure settings for your application. Use
  5.     the Website->Asp.Net Configuration option in Visual Studio.
  6.     A full list of settings and comments can be found in 
  7.     machine.config.comments usually located in 
  8.     \Windows\Microsoft.Net\Framework\v2.x\Config 
  9. -->
  10. <configuration>
  11.  
  12.  
  13.     <configSections>
  14.       <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
  15.         <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
  16.           <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication"/>
  17.           <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
  18.             <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere" />
  19.             <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" />
  20.             <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" />
  21.             <section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" />
  22.           </sectionGroup>
  23.         </sectionGroup>
  24.       </sectionGroup>
  25.     </configSections>  
  26.  
  27.  
  28.     <appSettings/>
  29.     <connectionStrings/>
  30.     <system.web>
  31.       [U][I]<trace enabled="true" pageOutput="false" requestLimit="9" traceMode="SortByCategory"/>[/I][/U]
  32.  
  33.  
  34.  
  35.  
  36.       <!-- 
  37.             Set compilation debug="true" to insert debugging 
  38.             symbols into the compiled page. Because this 
  39.             affects performance, set this value to true only 
  40.             during development.
  41.         -->
  42.         <compilation debug="true">
  43.  
  44.           <assemblies>
  45.             <add assembly="System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
  46.             <add assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  47.             <add assembly="System.Data.DataSetExtensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
  48.             <add assembly="System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/>
  49.           </assemblies>
  50.  
  51.         </compilation>
  52.         <!--
  53.             The <authentication> section enables configuration 
  54.             of the security authentication mode used by 
  55.             ASP.NET to identify an incoming user. 
  56.         -->
  57.         <authentication mode="Windows" />
  58.         <!--
  59.             The <customErrors> section enables configuration 
  60.             of what to do if/when an unhandled error occurs 
  61.             during the execution of a request. Specifically, 
  62.             it enables developers to configure html error pages 
  63.             to be displayed in place of a error stack trace.
  64.  
  65.         <customErrors mode="RemoteOnly" defaultRedirect="GenericErrorPage.htm">
  66.             <error statusCode="403" redirect="NoAccess.htm" />
  67.             <error statusCode="404" redirect="FileNotFound.htm" />
  68.         </customErrors>
  69.         -->
  70.  
  71.  
  72.       <pages>
  73.         <controls>
  74.           <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  75.           <add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  76.         </controls>
  77.       </pages>
  78.  
  79.       <httpHandlers>
  80.         <remove verb="*" path="*.asmx"/>
  81.         <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  82.         <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  83.         <add verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" validate="false"/>
  84.       </httpHandlers>
  85.       <httpModules>
  86.         <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  87.       </httpModules>
  88.  
  89.  
  90.     </system.web>
  91.  
  92.     <system.codedom>
  93.       <compilers>
  94.         <compiler language="c#;cs;csharp" extension=".cs" warningLevel="4"
  95.                   type="Microsoft.CSharp.CSharpCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
  96.           <providerOption name="CompilerVersion" value="v3.5"/>
  97.           <providerOption name="WarnAsError" value="false"/>
  98.         </compiler>
  99.         <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" warningLevel="4"
  100.                   type="Microsoft.VisualBasic.VBCodeProvider, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
  101.           <providerOption name="CompilerVersion" value="v3.5"/>
  102.           <providerOption name="OptionInfer" value="true"/>
  103.           <providerOption name="WarnAsError" value="false"/>
  104.         </compiler>
  105.       </compilers>
  106.     </system.codedom>
  107.  
  108.     <!-- 
  109.         The system.webServer section is required for running ASP.NET AJAX under Internet
  110.         Information Services 7.0.  It is not necessary for previous version of IIS.
  111.     -->
  112.     <system.webServer>
  113.       <validation validateIntegratedModeConfiguration="false"/>
  114.       <modules>
  115.         <remove name="ScriptModule" />
  116.         <add name="ScriptModule" preCondition="managedHandler" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  117.       </modules>
  118.       <handlers>
  119.         <remove name="WebServiceHandlerFactory-Integrated"/>
  120.         <remove name="ScriptHandlerFactory" />
  121.         <remove name="ScriptHandlerFactoryAppServices" />
  122.         <remove name="ScriptResource" />
  123.         <add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode"
  124.              type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  125.         <add name="ScriptHandlerFactoryAppServices" verb="*" path="*_AppService.axd" preCondition="integratedMode"
  126.              type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
  127.         <add name="ScriptResource" preCondition="integratedMode" verb="GET,HEAD" path="ScriptResource.axd" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
  128.       </handlers>
  129.     </system.webServer>
  130.  
  131.     <runtime>
  132.       <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
  133.         <dependentAssembly>
  134.           <assemblyIdentity name="System.Web.Extensions" publicKeyToken="31bf3856ad364e35"/>
  135.           <bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
  136.         </dependentAssembly>
  137.         <dependentAssembly>
  138.           <assemblyIdentity name="System.Web.Extensions.Design" publicKeyToken="31bf3856ad364e35"/>
  139.           <bindingRedirect oldVersion="1.0.0.0-1.1.0.0" newVersion="3.5.0.0"/>
  140.         </dependentAssembly>
  141.       </assemblyBinding>
  142.     </runtime>
  143.  
  144.  
  145. </configuration>
Last edited by csharplearner; Jan 2nd, 2009 at 9:41 pm.
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csharplearner is offline Offline
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Jan 2nd, 2009
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Re: Simple <Form> data error

It's a problem with the way ViewState is configured on the machine. Have a look at this: http://www.codinghorror.com/blog/archives/000132.html
Reputation Points: 31
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iDeveloper is offline Offline
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Jan 3rd, 2009
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Re: Simple <Form> data error

Click to Expand / Collapse  Quote originally posted by iDeveloper ...
It's a problem with the way ViewState is configured on the machine. Have a look at this: http://www.codinghorror.com/blog/archives/000132.html
Thanks a bunch iDeveloper..
Not only it solved my problem but also the website u referred seems to be very useful.
Reputation Points: 11
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Re: Simple <Form> data error

Codding Horror is by far the most interesting blog for software developers Full of good info indeed.
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