Unsolved setting MessageDialog text property using sprintf or something similar

[Prasad_Socionext]

MessageDialog {
id: messageDialog
title: "Tcp Server Connection Status"
text: "Connection to" server_name_id.text "Failed"
icon: "Critical"
onAccepted: {
console.log("What is the issue. Please check")
//server_name_id.enabled = true;
//server_port_id.enabled = true;
tcpip_connect_id.checked = false
}
visible :false
}

how did i set the text property using concatenation of " " and some other UI property text sprintf does not work

[jsulm]

@Prasad_Socionext http://doc.qt.io/qt-5/qml-qtqml-string.html