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Exception: Exception has been thrown by the target of an invocation.
InnerException: System.Data.SqlClient.SqlException (0x80131904): De subquery heeft meerdere waarden geretourneerd. Dit is niet toegestaan als de subquery op =, !=, <, <=, >, >= volgt of als de subquery als een expressie is gebruikt. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlDataReader.TryHasMoreRows(Boolean& moreRows) at System.Data.SqlClient.SqlDataReader.TryReadInternal(Boolean setTimeout, Boolean& more) at System.Data.SqlClient.SqlDataReader.Read() at System.Data.SqlClient.SqlStream.ReadBytes(Byte[] buffer, Int32 offset, Int32 count) at System.Data.SqlClient.SqlStream.Read(Byte[] buffer, Int32 offset, Int32 count) at System.Xml.XmlReader.CreateSqlReader(Stream input, XmlReaderSettings settings, XmlParserContext inputContext) at System.Data.SqlTypes.SqlXml.CreateSqlXmlReader(Stream stream, Boolean closeInput, Boolean throwTargetInvocationExceptions) ClientConnectionId:cdd24ecf-8519-49da-b8b7-b6fa709aa4c0 Error Number:512,State:1,Class:16
StackTrace: at System.Data.SqlTypes.SqlXml.CreateSqlXmlReader(Stream stream, Boolean closeInput, Boolean throwTargetInvocationExceptions) at System.Data.SqlClient.SqlCommand.CompleteXmlReader(SqlDataReader ds) at System.Data.SqlClient.SqlCommand.ExecuteXmlReader() at Windex.SharePoint.CommonWebParts.XmlWebPart.ExecuteSqlCommand(String globalUserId, Boolean& wrongResult, String& inputXml, String sql, SqlParameter[] parameterArray) at Windex.SharePoint.CommonWebParts.XmlWebPart.CreateChildControls()