how to show the result in label RSS

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  patron

  Member

  200 Points

  143 Posts

  how to show the result in label

  Apr 30, 2012 08:56 PM|LINK

  Hello guys and gals.

  This is the code I am using;

  Dim db As New DataClassesDataContext
          Dim kategoryid = From p In db.Categories Where p.CategoryName = "cables" _
                           Select New With {p.CategoryID}

  
  I only want to show the category id in label. How do I do that?

  thanks?

   

  update-------------

  After trying firstordefault command for the query result, I was able to get this result

  {Categoryid=1}. Can you tell me why the output looks like this? how can I get the number 1 only?

  • Edited by patron on Apr 30, 2012 09:12 PM
  • Edited by patron on Apr 30, 2012 09:12 PM
  • Edited by patron on Apr 30, 2012 09:12 PM
  • Edited by patron on Apr 30, 2012 09:13 PM
  • Edited by patron on Apr 30, 2012 09:14 PM
  • Edited by patron on Apr 30, 2012 09:14 PM
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  AidyF

  Star

  9250 Points

  1578 Posts

  Re: how to show the result in label

  Apr 30, 2012 09:48 PM|LINK

  I'm not VB.net expert, but your "select new with {p.CategoryID} is returning an anonymous object with a property called CategoryID.  So you would do;

  Label1.Text = kategoryid.First().CategoryID.ToString()

  However the actual solution is to not do the "new", just do "Select p.CategoryID".  You will probably then need to use kategoryid.First() to get the number, as your query will return a collection of numbers as it doesn't know there is only one.  There will be some way of making sure the query only returns the first item if that is what you want, but as I said I'm no vb.net expert.

  • Edited by AidyF on Apr 30, 2012 09:49 PM
  • Marked as answer by patron on May 01, 2012 02:18 PM