Multiple Controls using the same event *resolved*

[Colonel Klink]

i have this code, when i dynamically create a textbox....

txt.KeyUp += new System.Windows.Forms.KeyEventHandler(txt_KeyUp);

i have this for a generic event handler (ie multiple texboxes use this event)

private void txt_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
		{
                        TextBox txtbox = (TextBox)sender;
                        try
                        {
				if(e.KeyValue.ToString() == "13")
                        	{
                                        if (txtbox.Text != "")
                                        {
                        			connection.Sender.PublicMessage(txtbox.Tag.ToString(), txtbox.Text);
                                		txtbox.Text = "";
                			}
                                }
                        }
                        catch( Exception e1 )
                        {
                        	rtfStatusOut.Text = "\n" + e1;
                        }
		}

however, when i use it, it doesnt send and clear the textbox, nor does it raise an exception

any ideas on what it could be?