Can not make ajax call in knockout

[ousa]

I want help for making ajax request in knockout. Here is my js code where i make call to a webmethod.\[code\] // Client-side routes Sammy(function () { this.get('#:day', function() { self.choosenDateId(this.params.day); $.get("SinglePageApp.aspx/GetData", { day: this.params.day }, self.choosenDateGoal); });}).run();\[/code\]And my html for binding data \[code\] <tbody data-bind="foreach: GetData"> <tr data-bind="click: $root.goToGoal"> <td data-bind="text: status"></td> <td data-bind="text: data"></td> <td data-bind="text: notes"></td> </tr> </tbody>\[/code\]And in my webemthod i have passed day as parameter.But can not call to webmethod.Please help.