System.Configuration.ConfigurationErrorsException: An error occurred loading a configuration file: Exception of type 'System.OutOfMemoryException' was thrown. (C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config\web.config) ---> System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown. at System.String.CtorCharArrayStartLength(Char[] value, Int32 startIndex, Int32 length) at System.Xml.XmlTextReaderImpl.ReadAttributeValue() at System.Xml.XmlTextReader.ReadAttributeValue() at System.Configuration.XmlUtilWriter.AppendAttributeValue(XmlTextReader reader) at System.Configuration.XmlUtil.CopyXmlNode(XmlUtilWriter utilWriter) at System.Configuration.XmlUtil.CopyElement(XmlUtilWriter utilWriter) at System.Configuration.XmlUtil.CopySection() at System.Configuration.BaseConfigurationRecord.ScanSectionsRecursive(XmlUtil xmlUtil, String parentConfigKey, Boolean inLocation, String locationSubPath, OverrideModeSetting overrideMode, Boolean skipInChildApps) at System.Configuration.BaseConfigurationRecord.ScanSectionsRecursive(XmlUtil xmlUtil, String parentConfigKey, Boolean inLocation, String locationSubPath, OverrideModeSetting overrideMode, Boolean skipInChildApps) at System.Configuration.BaseConfigurationRecord.ScanSections(XmlUtil xmlUtil) at System.Configuration.BaseConfigurationRecord.InitConfigFromFile() --- End of inner exception stack trace --- at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal) at System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors) at System.Configuration.Configuration..ctor(String locationSubPath, Type typeConfigHost, Object[] hostInitConfigurationParams) at System.Configuration.Internal.InternalConfigConfigurationFactory.System.Configuration.Internal.IInternalConfigConfigurationFactory.Create(Type typeConfigHost, Object[] hostInitConfigurationParams) at System.Web.Configuration.WebConfigurationHost.OpenConfiguration(WebLevel webLevel, ConfigurationFileMap fileMap, VirtualPath path, String site, String locationSubPath, String server, String userName, String password, IntPtr tokenHandle) at System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration(String path) at Connessionedb..ctor() at DatiArticolo.getPrezzoVisibile() at pagina.Page_Load(Object sender, EventArgs e)