Project throws error of mixed mode..

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Hi!

I am having a problem in my windows application when I run crystal report in my user control in asp.net.

I was getting mixed mode error I put this in both web and appcongif.

XML

<startup useLegacyV2RuntimeActivationPolicy="true">
  <supportedRuntime version="v4.0"/>
  <supportedRuntime version="v2.0.50727"></supportedRuntime>
</startup>

After adding this I got another error.

Configuration system failed to initialize

Posted 27-Aug-12 18:49pm

ravi sharma11

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Kuthuparakkal 28-Aug-12 0:56am

Why two supportedruntime? remove/comment one of them and try

Sandeep Mewara 28-Aug-12 1:09am

Problem in Windows app when CR run in ASP.NET? Not clear! How is winforms and web connected here at the same time?

2 solutions

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Ganesan Senthilvel · Answer 1 · 2012-08-27T19:10:00

You need to make sure that your config file (web.config if web, or app.config if windows) in your project starts as:

XML

<?xml version="1.0"?>
<configuration>
   <configSections>
      <sectionGroup name="applicationSettings" type="System.Configuration.ApplicationSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
      <section name="yourProjectName.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
</sectionGroup>

Please note that inside the "configuration" element, the first child must be the "configSections" element.

ravi sharma11 · Answer 2 · 2012-08-28T00:14:00

Solution 2

XML

<startup useLegacyV2RuntimeActivationPolicy="true">
  <supportedRuntime version="v4.0"/>
</startup>

Posted 28-Aug-12 0:14am