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Image URL setting from config file

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Manoj
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Manoj asked on 28 Feb 2012, 09:23 PM
I am setting image URL as follows.
pictureBox1.Value = System.Configuration.ConfigurationSettings.AppSettings["ImageFolderURL"] + "apple_ex.png";
It is working fine when I am running application. I am able to see image in browser. If I am trying to preview report through designer Tab, It is saying "The given key was not present in the dictionary."
My Appsetting section:
<appSettings>
    <add key="ImageFolderURL" value="http://www.queness.com/resources/images/png/" />
  </appSettings>
Please suggest how I can make working in preview mode too.

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Squall
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answered on 05 Mar 2012, 10:04 AM
Hi,
When you are previewing report in report designer the used configuration file is the one in the class library where you keep the reports.
Try to add the app settings configuration in the class library app.config. 
SN
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Manoj
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answered on 06 Mar 2012, 10:32 PM
appSettings are also included in app.config.
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Steve
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answered on 07 Mar 2012, 10:47 AM
Hello Manoj,

Squall is right that when previewing the report, the configuration file used is not the one in your application, however it is not the app.config of the class library either. As described in MSDN, the ConfigurationManager.AppSettings Property gets the  AppSettingsSection data for the current application's default configuration.
In the case of report designer/preview the current application is devenv.exe so reading the  ConfigurationManager.AppSettings from the report that is previewed will get all app settings defined in the devenv.exe.config file.

Kind regards,
Steve
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NEW in Q1'12: Telerik Report Designer (Beta) for ad-hoc report creation. Download as part of Telerik Reporting Q1 2012. For questions and feedback, use the new Telerik Report Designer Forum.
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Manoj
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answered on 09 Mar 2012, 07:17 PM
Then, how is it reading connection string from appsettings without defining in devenv.exe.config .
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Steve
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answered on 12 Mar 2012, 10:04 AM
Hello Manoj,

We apply special logic to our data source components, so they read/write from the app.config of the class library in design time.

All the best,
Steve
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NEW in Q1'12: Telerik Report Designer (Beta) for ad-hoc report creation. Download as part of Telerik Reporting Q1 2012. For questions and feedback, use the new Telerik Report Designer Forum.
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Manoj
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answered on 12 Mar 2012, 06:20 PM
Oh, I got it. Thanks.
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Squall
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Manoj
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Steve
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