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POcomplex query using LINQ and C#
 

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    <p>I have a very big problem solving this issue I have 2 tables </p> <p>first table is : <a href="http://picasaweb.google.com/lh/photo/iDp4kgFFjk5d2h5dUZtbvg?feat=embedwebsite" rel="nofollow noreferrer">http://lh3.ggpht.com/_uMvfbnPHuko/SYPJQ1ZsBDI/AAAAAAAAAKs/eq49xquy3jM/s800/Untitled-2.jpg</a></p> <p>which contains a modules (id and name)</p> <p>second table is <a href="http://picasaweb.google.com/lh/photo/PsT4H6bZ0lH8rN7ZPRMbjQ?feat=embedwebsite" rel="nofollow noreferrer">http://lh6.ggpht.com/_uMvfbnPHuko/SYPJQ4IXGwI/AAAAAAAAAK0/zmTIO6V-UEQ/s800/Untitled-3.jpg</a></p> <p>which contains users ids and their preferred modules' numbers</p> <p>now lets move to the problem I want to generate a list of checkboxes</p> <p>for example for the userid 1 which has the following modules "3,2 and 4" the result will be</p> <p><a href="http://picasaweb.google.com/lh/photo/KSQIDk_jeuIfyFabCsgXow?feat=embedwebsite" rel="nofollow noreferrer">http://lh4.ggpht.com/_uMvfbnPHuko/SYPJQ_LJeVI/AAAAAAAAAK8/6RV8a1S8eCY/s800/Untitled-4.jpg</a></p> <p>notice that "recommended for you" checkbox is not checked because the user 1 does not have module id "1"</p> <p>I spent a long time trying to solve this problem using c# and LINQ</p> <p>see the result of my effort :) (the following code does not work)</p> <pre><code> var q = from m in db.modules from um in db.usersModules.Where(um2 =&gt; um2.userId == myUserId).Single().modules.Trim().Split(',') where um.Contains(m.moduleId.ToString()) select new { moduleid = here i want the module id from modules table modulename = here i want the modulename from modules table ischecked = here i want "true" or "false" depending on if the user has this module or not }; </code></pre> <p>If LINQ is easy for you please try to solve this one? any questions?</p>
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