How to execute second method after finishing first websql callback function

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ASP.NET

HTML5

Knockout.js

Hi ,

Below is my code

I want to execute second method only after first method finshes ,

but here .. seond method gets called in between and then executing first and then second .happening something strange

viewModelDocCall.ReportCall = function () {
        if (isConnectionAvailable()) {
            callData.GetAvailableCoOrdinates(true, viewModelDocCall.customerLocationID(), function (tx, coOrdinates) {
                if (null != coOrdinates && coOrdinates.rows.length > 0) {
                    if (!(validator.IsNullOrWhiteSpace(coOrdinates.rows.item(0).Latitude)) ||
                        !(validator.IsNullOrWhiteSpace(coOrdinates.rows.item(0).Longitude))) {
                        var result = DevExpress.ui.dialog.confirm(Messagehandling.getMessage('AP067', 'Are you currently at the meeting location?'), Common.Localize("Delete"));
                        result.done(function (dialogResult) {
                            if (dialogResult) {
                                dCall_GetCoOrdinatesClicked();
                            }
                        });
                    }
                }

            }, function (tx, coOrdinatesError) {

            });
        }
       //Call second method here
    }

What I have tried:

viewModelDocCall.ReportCall = function () {
if (isConnectionAvailable()) {
callData.GetAvailableCoOrdinates(true, viewModelDocCall.customerLocationID(), function (tx, coOrdinates) {
if (null != coOrdinates && coOrdinates.rows.length > 0) {
if (!(validator.IsNullOrWhiteSpace(coOrdinates.rows.item(0).Latitude)) ||
!(validator.IsNullOrWhiteSpace(coOrdinates.rows.item(0).Longitude))) {
var result = DevExpress.ui.dialog.confirm(Messagehandling.getMessage('AP067', 'Are you currently at the meeting location?'), Common.Localize("Delete"));
result.done(function (dialogResult) {
if (dialogResult) {
dCall_GetCoOrdinatesClicked();
}
});
}
}

}, function (tx, coOrdinatesError) {

});
}

alert("Called second method")

}