[InvalidOperationException: Sequence contains no matching element]
System.Linq.Enumerable.First(IEnumerable`1 source, Func`2 predicate) +281
EticaretNova.Sepet1.UrunArtir() in C:\2008\avrupasemsiye.com.tr\ETS202\EticaretNova\Sepet.aspx.cs:509
EticaretNova.Sepet1.Page_Load(Object sender, EventArgs e) in C:\2008\avrupasemsiye.com.tr\ETS202\EticaretNova\Sepet.aspx.cs:94
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693
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