C# - To Check If Session Is Available Or Not

Sep 22, 2010

I tried some code in Application_Error like this Session["mysession"] = "Some message"; but the problem is sometimes session is not available in Application_Error. So I want to check whether session is available or not.

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Sep 8, 2010

I have a function inside a utility class which returns the current session User ID.
It throws object reference not set to instance of object ? How do I check it for null & remove this error ?

public static string GetSessionUserID
{
get
{
string userID = "";
if (System.Web.HttpContext.Current.Session["userID"].ToString() != null)
{
userID = System.Web.HttpContext.Current.Session["userID"].ToString();
}
if (userID == null)
{
throw new ApplicationException("UserID is null");
}
else
return userID;
}
}

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What is the function used to check a session exists or not?

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I am trying to write a code that I can attach to a .aspx page using <!--#include file="newcode.aspx"-->. What I am trying to do is check to see if they have an current or active session and redirect them if they don't. It seems like this should be pretty
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[code]...

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[Code]....

Please note that my Login.aspx page is also base on the same MasterPage. On the Login.aspx.vb, if the user credential are correct, I did this:

[Code]....

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i am new in asp.net form authentication and sessions

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code in my masterpage

[code].....

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Jun 14, 2012

How to correct my code... because if condition is going to false condition every time when i check the session value with admin user and agent user..

Code:
<td bgcolor="#808000" style="height: 22px">
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[Code] ....

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Dim i As Integer
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[Code]....

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