Check if web.config file encrypted or not.

This is an example of how to check if the web.config file is encrypted or not. Refer to this article to encrypt and decrypt the web.config file.

The example will check the web.config file for 3 section which is ConnectionString, AppSetting, and system.web/authentication.

Code Behind

  private static string[] sectionName = { "connectionStrings", "appSettings", "system.web/authentication" };  
public static string[] SectionName
return sectionName;
sectionName = value;
/// <summary>
/// method to check if web config file is encrypted or not
/// </summary>
/// <returns></returns>
private bool CheckWebConfigIfEncrypt()
bool isEncrypt = false;
foreach (string a in SectionName)
Configuration config =
OpenWebConfiguration("~" + HttpContext.Current.Request.ApplicationPath);
ConfigurationSection section =
if (section != null &&
isEncrypt = true;
return false;
return isEncrypt;

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