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POSession State variables aren't working
 

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    <p>I'm writing an ASP.NET C# web site that needs to access data from a database and show it to the user for viewing and editing. The specific data it accesses is based on the user who logs in, and I need for multiple users to be able to use the site simultaneously, viewing and editing different data as they do so. I stumbled upon the concept of Session States, and after a lot of reading and not as much understanding. I've come across a problem.</p> <p>In my default page, I do this to create a Session variable:</p> <pre><code>Session.Add("UserData",userdata); </code></pre> <p>I have also tried this:</p> <pre><code>Session["UserData"] = userdata; </code></pre> <p>Then in a later page, I do this to try to call it:</p> <pre><code>object myobject = Session["UserData"]; </code></pre> <p>This gives me an error, saying that <code>Session["UserData"]</code> is not set to an instance of an object. This is the method everyone seems to be using, is there something I'm missing?</p> <p>My site is configured on IIS to have the Session State Mode set to "In Process", but most people seem to set this manually using their web.config file. However, when I try to do this in my web.config file I am always greeted with "unrecognized configuration section". My compiler doesn't know what this is:</p> <pre><code>&lt;sessionstate mode="inproc"/&gt; </code></pre> <p>EDIT, more detailed code:</p> <pre><code>MyClass userdata = new MyClass(); userdata.name = "myname"; userdata.number = 5; Session["UserData"] = userdata; </code></pre> <p>later...</p> <pre><code>MyClass mydata = (MyClass)(Session["UserData"]); </code></pre> <p>This returns the error that Session["UserData"] is null.</p>
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    1. USAndrew
    1. USAndrew
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    1. COWhere do you initialize userdata? Is it possible it is null when you call Add?
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      1. POSession State variables aren't working
      1. USJustin Niessner
    2. COwhere you have Session["UserData"] = userdata; , where are you assigning userdata and can you paste the code so that we can see. Session["UserData"] should work or should I say have a value if you assigned it properly..
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      1. POSession State variables aren't working
      1. USMethodMan
    3. CO"userdata" is psuedo-code here, I'm 100% sure that this variable contains data before I call any of this code.
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      1. USAndrew
 

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