ProductDetails page not working

Jul 11, 2015 at 4:14 PM
ProductDetails page fails with below error:

\Error.aspx.cs:line 15
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Actual Error:
Params = {Err=c%3a%5cUsers%5cKruti%5cDownloads%5cTailspinspyworks-v0.9%5cTailspinspyworks%5cProductDetails.aspx(6)%3a+error+CS1061%3a+%27ASP.productdetails_aspx%27+does+not+contain+a+definition+for+%27FormView_Product_PageIndexChanging%27+and+no+extension+method+%27Fo...