https://www.justincarmony.com/tags/linq/ Recent content in LINQ on Justin Carmony Hugo en-us Mon, 25 Feb 2008 20:17:22 +0000 https://www.justincarmony.com/2008/02/25/asp-net-linq-gridviews-and-guid-errors/ Mon, 25 Feb 2008 20:17:22 +0000 https://www.justincarmony.com/2008/02/25/asp-net-linq-gridviews-and-guid-errors/ <p>I found a simple problem today. Here is the deal, there were several times where I had to base a LinqDataSource off a Guid that I would set in the Page_Load(). I created an&lt;asp:HiddenField /&gt; to hold the value so all my DataSources could pull it from the control. The HiddenField control&rsquo;s value is stored as a string, so I would have to convert the guid to a string. After doing this, I was getting the following error:</p>