Oct 7, 2021 · There are a couple of possible reasons for this. One is that the provider is not registered/installed on the machine, and the other is that the wrong bitness is being used. See …

May 14, 2019 · Set-ADSyncScheduler : System.InvalidOperationException: Scheduler::RequestCurrentRunToStop : Current run of scheduler has already being cancelled. …

May 29, 2011 · System.InvalidOperationException: at System.Data.SqlClient.SqlCommand.ValidateCommand (String method, Boolean async) at …

Jun 17, 2010 · System.InvalidOperationException: Could not find endpoint element with name '***' and contract '****'in the ServiceModel <br/> client configuration section. This might be because …

Mar 28, 2017 · at System.Collections.Hashtable.HashtableEnumerator.MoveNext () Dim enumerator As IDictionaryEnumerator = Me.clients.GetEnumerator () Dim dictionaryEntry As …

Apr 9, 2018 · As for the hang up it sounds like an issue with the control itself. For all this to work your main entry point needs to be annotated that it is an STA. Then when you create the chart …

Apr 9, 2007 · at System.WeakReference.get_Target () at System.Windows.Forms.HashKey.Equals (Object target) at …

Oct 7, 2021 · i am getting error: ob button click. System.InvalidOperationException: ExecuteNonQuery: Connection property has not been initialized. here is whole code

Dec 19, 2011 · Here is the trace, I hope it helps. [12/5/2011 8:40:05 PM] TfsMigrationShell.exe Information: 0 : : System.Data.EntityException: The underlying provider failed on Open. ---> …

Te faltó asignar a la propiedad Connection del objeto SqlCommand un objeto SqlConnection. Podes hacerlo así: cmd.Connection = conexionALaBD; o pasárselo en el constructor: cmd = …