Fix for LOG4NET-28. AdoNetAppender does not support inserting NULL into columns
Fix for LOG4NET-28. AdoNetAppender does not support inserting NULL into columns


git-svn-id: 7230453ef4d2e9c957b80d4737114f575fc9f7f8@312281 13f79535-47bb-0310-9956-ffa450edef68

freedomvoice/log4net,twcclegg/log4net,twcclegg/log4net,freedomvoice/log4net,twcclegg/log4net,twcclegg/log4net,freedomvoice/log4net,freedomvoice/log4net