dynamic dropdown bind and dropdown on change

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C#

MVC

Knockout.js

Hi,

i need dynamic dropdown bind and dropdown on change sample code or web link in knockout with MVC C#.


here sample code:

function funcqty(vArry) {
    debugger;
    var self = this;
    self.Qty = ko.observableArray(vArry);
    self.selectedProject = ko.observable();

    self.selectionChanged = function () {
        debugger;
        alert('change');

        var qty = self.selectedProject().Text;
        var dcode = self.selectedProject().Value;
  
    };
};

the above code not working.pls help asap.