Check out page error

Aspose.Request
1

When I want to check out my order

http://www.aspose.com/Purchase/Checkout.aspx

I get an exception saying

Server Error in '/Purchase' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 

[NullReferenceException: Object reference not set to an instance of an object.]
   Aspose.Purchase.Components.Carts.Checkout(Int32 userID, String sessionID, PaymentMethodType method, Int32 totalPriceUSD, Int32 totalPrice, Single rate, String unit, ArrayList productPrices) +99
   Aspose.Purchase.Checkout.ButtonSubmit_Click(Object sender, ImageClickEventArgs e) +110
   System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e) +109
   System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +69
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
   System.Web.UI.Page.ProcessRequestMain() +1262

Version Information: Microsoft .NET Framework Version:1.1.4322.2300; ASP.NET Version:1.1.4322.2300

2

hi ams456,

Tell me your operation steps, then I can help you.

Now, I have tested Aspose.Purchase system, it runs well.

Any problems, feel free to contact me.