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Home > Success Center > Archive > 2017December14 - Deletes > DBNull errors in EOC

DBNull errors in EOC

Created by Robert Stidman, last modified by Jessica Solis on Dec 14, 2017

Views: 42 Votes: 1 Revisions: 5


This article provides brief information and steps to resolve the following Enterprise Operations Console Web Console error:

Object cannot be cast from DBNull to other types.
at System.DBNull.System.IConvertible.ToInt32(IFormatProvider provider)
at System.Convert.ToInt32(Object value)
at SolarWinds.EOC.Web.Resources.GenericMapper.Map(Property property, Object value, String thresholdName, IEnumerable`1 _thresholdsList, DataRow row, IEnumerable`1 childValues)
at SolarWinds.EOC.Web.Resources.OrionTableControl.FillData()
at SolarWinds.EOC.Web.Resources.OrionTableControl.Initialize(Boolean renderPanelOnly)


EOC version 2.x and earlier


The error is caused when the web config file was configured incorrectly.


  1. Locate and go to the web.config file.  By default, this file is located in C:\Program Files (x86)\SolarWinds\EOC\Website\web.config
  2. Create a copy of the web.config file and save it to your desktop.   
  3. Open the file in a text editor. 
  4. Find the following key:
  5. Replace the value to net.tcp://{0}:17777/SolarWinds/InformationService/Orion/ssl.
  6. Refresh the page and add the server again.



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