[rabbitmq-discuss] rabbitMQ with Asp.net
tamer hatoum
tamer_hat at hotmail.com
Sat Jun 28 08:03:22 BST 2014
I am using RabbitMQ to get real time data. I make the connection and am getting data successfully. I am able to print it in the Debug line, but its not updating my Label.here is my code:private void InitRabbit()
{
factory.UserName = this.user;
factory.Password = this.password;
factory.HostName = this.host;
factory.VirtualHost = "/";
try
{
using (IConnection connection = factory.CreateConnection())
{
using (IModel channel = connection.CreateModel())
{
channel.ExchangeDeclare(realTimeExchange, "topic");
string queueName = channel.QueueDeclare();
StringBuilder sb = new StringBuilder();
sb.Append("QEH").Append(".").Append("QEH").Append(".*");
channel.QueueBind(queueName, realTimeExchange, sb.ToString());
Console.WriteLine("Waiting for messages");
QueueingBasicConsumer consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(queueName, true, consumer);
while (true)
{
BasicDeliverEventArgs e = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
Console.WriteLine(Encoding.ASCII.GetString(e.Body));
string msg = Encoding.ASCII.GetString(e.Body);
JavaScriptSerializer ser = new JavaScriptSerializer();
Alerts alert = ser.Deserialize<Alerts>(msg);
updatealert(alert); //for getting the Alerts which is my internal class
}
}
rabbitrunning = true;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Rabbit not running : " + ex.Message);
}
}Here is my updatealert function:private void updatealert(Alerts alert)
{
alertext.Text = "Count " + alert.CarName;
System.Diagnostics.Debug.WriteLine("publish : " + alert.CarName);//its writting the message correctly but its not updating my Alertext label.
}Here is the update panel structure:<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always" ChildrenAsTriggers="true">
<ContentTemplate>
<legend>UpdatePanel</legend>
<asp:Label ID="alertext" runat="server" Text="change" ></asp:Label>
<asp:Label ID="Label1" runat="server" Text="change" ></asp:Label>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Get Real Data" />How do I change the label text while rabbitMQ is updating the content?UPDATES : After Long Trail and error I found that the rabbit is sending a lot of messages per second so the Update panel is not updating fast , so I tried to put the Update panel job in other thread but I have not succeeded , is there any advice how to update the panel with handling very fast process ?Regards.
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