Use NVP/SOAP Api from PayPal

Yavsc/wwwroot/js/paypalbutton.js

@@ -0,0 +1,33 @@
++(function($, paypal, PAYPAL_ENV, CREATE_PAYMENT_URL, EXECUTE_PAYMENT_URL) {
+    $(document).ready(function() {
+
+        paypal.Button.render({
+
+            env: PAYPAL_ENV, // 'production', Optional: specify 'sandbox' environment
+            commit: true,
+            payment: function(resolve, reject) {
+
+                return paypal.request.post(CREATE_PAYMENT_URL)
+                    .then(function(data) { resolve(data.id); })
+                    .catch(function(err) { reject(err); });
+            },
+
+            onAuthorize: function(data) {
+
+                // Note: you can display a confirmation page before executing
+
+                return paypal.request.post(EXECUTE_PAYMENT_URL, { paymentID: data.paymentID, payerID: data.payerID })
+
+                .then(function(data) {
+                        document.location = '@ViewBag.Urls.Details';
+                        /* Go to a success page */
+                    })
+                    .catch(function(err) {
+                        document.location = '/Manage/PaymentInfo/' + data.paymentID + '/?error=' + err;
+                        /* Go to an error page  */
+                    });
+            }
+
+        }, '#paypal-button');
+    })
+})(jQuery);

Yavsc/wwwroot/js/paypalbutton.min.js

@@ -0,0 +1 @@
++function(n,t,e,o,u){n(document).ready(function(){t.Button.render({env:e,commit:!0,payment:function(n,e){return t.request.post(o).then(function(t){n(t.id)})["catch"](function(n){e(n)})},onAuthorize:function(n){return t.request.post(u,{paymentID:n.paymentID,payerID:n.payerID}).then(function(n){document.location="@ViewBag.Urls.Details"})["catch"](function(t){document.location="/Manage/PaymentInfo/"+n.paymentID+"/?error="+t})}},"#paypal-button")})}(jQuery);