FIX: Error message when you try to run a UNION ALL query or to call the DeriveParameters method: "Internal connection fatal error" (913764)

SYMPTOMS

• The UNION ALL query does not run successfully.
• The DeriveParameters method cannot retrieve the parameters from the server.
• You receive the following error message:
  [ArgumentException: Processing of results from SQL Server failed because of an invalid multipart name "".]
  System.Data.Common.MultipartIdentifier.ParseMultipartIdentifier(String name, String leftQuote, String rightQuote, Char separator, Int32 limit, Boolean removequotes, String property) +1706
  System.Data.SqlClient.TdsParser.CommonProcessMetaData(TdsParserStateObject stateObj, _SqlMetaData col) +781
  System.Data.SqlClient.TdsParser.ProcessMetaData(Int32 cColumns, TdsParserStateObject stateObj) +59
  System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +1696
  System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +147
  System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +996
  System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +314
  System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +414
  System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +117
  Default3.Page_Load(Object sender, EventArgs e) +168
  System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +13
  System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +45
  System.Web.UI.Control.OnLoad(EventArgs e) +80
  System.Web.UI.Control.LoadRecursive() +49
  System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3740