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:
Line 14: url=Request["url"].ToString();
Line 15: url = url.Replace("view","preview");
Line 16: issuedate=Request["issuedate"].ToString();
Line 17: title= Request["title"].ToString() + ",إصدارات يومية ,إسبوعية تصدر عن مؤسسة أخبار اليوم ";
Line 18: }
[NullReferenceException: Object reference not set to an instance of an object.]
quetion.Page_Load(Object sender, EventArgs e) in d:\akhbarelyom.com\wwwroot\Landing\pdf.aspx.cs:16
System.Web.UI.Control.OnLoad(EventArgs e) +102
System.Web.UI.Control.LoadRecursive() +67
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1384
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2623.0