Server Error in '/' Application.

Value cannot be null.
Parameter name: url

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.ArgumentNullException: Value cannot be null.
Parameter name: url

Source Error:


Line 135:                    rs = SQLcmd.ExecuteReader
Line 136:
Line 137:                    Response.Redirect(Request.ServerVariables("HTTP_REFERER"))
Line 138:
Line 139:                End Using

Source File: D:\Inetpub\vhosts\yahfatmin.com\bz\shop_cart.aspx    Line: 137

Stack Trace:


[ArgumentNullException: Value cannot be null.
Parameter name: url]
   System.Web.HttpResponse.Redirect(String url, Boolean endResponse, Boolean permanent) +11740430
   ASP.shop_cart_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in D:\Inetpub\vhosts\yahfatmin.com\bz\shop_cart.aspx:137
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.Page.Render(HtmlTextWriter writer) +40
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4239


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0