How to determine the number of messages in an Azure Services Bus Queue

Question

Can anyone let me know if there is a way to determine the number of messages (or approximate number) in the Azure Queue (Store Account); however is there a way to query for the number of pending messages on an Azure Service Bus queue?

Answer 1

You will get error when you try to get the count from the dead letter queue. It looks like the deadletterqueue doesn't allow you to get a count directly, you get it from the MessageCountDetails of the normal Queue:

string connectionString = ConfigurationManager.AppSettings["Microsoft.ServiceBus.Connstr"].ToString();
NamespaceManager nsmgr = Microsoft.ServiceBus.NamespaceManager.CreateFromConnectionString(connectionString);
return nsmgr.GetQueue(QueueName).MessageCountDetails.DeadLetterMessageCount;

And for your second question, the required function is called MessagesCountDetails.ActiveMessageCount. It returns the number of the Active Messages in the Queue. You probably have some Dead letter messages:

var msg = Microsoft.ServiceBus.NamespaceManager.CreateFromConnectionString(Settings.Default.ConnectionString);
numofmessages.Text = msg.GetQueue(QueueName).MessageCountDetails.ActiveMessageCount.ToString();

Hope it helps!

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