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PO'DataSource' property cannot be set declaratively
 

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    <p>I'm having a bit of difficulty trying to find a more clear solution than what Google has yielded for this problem. I have the following code that is throwing this error but the solutions I've found say, "Have you tried the DataSourceID instead of DataSource?" with no indication as to what should be used for the DataSourceID value.</p> <pre><code>...leading code left out for brevity's sake &lt;Columns&gt; &lt;asp:BoundColumn DataField="id" SortExpression="id" HeaderText="ID" ItemStyle-CssClass="dgCells"&gt;&lt;/asp:BoundColumn&gt; &lt;asp:BoundColumn DataField="first_name" SortExpression="first_name" HeaderText="First" ItemStyle-CssClass="dgCells"&gt;&lt;/asp:BoundColumn&gt; &lt;asp:BoundColumn DataField="last_name" SortExpression="last_name" HeaderText="Last" ItemStyle-CssClass="dgCells"&gt;&lt;/asp:BoundColumn&gt; &lt;asp:BoundColumn DataField="login_pw" HeaderText="Password" ItemStyle-CssClass="dgCells"&gt;&lt;/asp:BoundColumn&gt; &lt;asp:TemplateColumn HeaderText="Race"&gt; &lt;ItemTemplate&gt; &lt;%# DataBinder.Eval(Container.DataItem, "race_name") %&gt; &lt;/ItemTemplate&gt; &lt;EditItemTemplate&gt; &lt;asp:DropDownList runat="server" id="ddlRaces" DataValueField="race_id" DataTextField="race_name" &gt;&gt;&gt;DataSourceID=""&lt;&lt;&lt; /&gt; &lt;/EditItemTemplate&gt; &lt;/asp:TemplateColumn&gt; &lt;asp:EditCommandColumn EditText="Edit" CancelText="Cancel" UpdateText="Ok"&gt;&lt;/asp:EditCommandColumn&gt; &lt;/Columns&gt; ...trailing code left out for brevity's sake </code></pre> <p>So, I come to you all to ask what I should be inserting into the DataSourceID="" value. Please be verbose as I am still getting my feet wet with some of this stuff.</p> <p>Thanks. :)</p>
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    1. COYou should use the GridView instead of the DataGrid if possible
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    2. COIs the GridView that much different or easier to use? This is .NET 4.0 that I am trying to use in WDE2010 if that matters at all.
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    3. COThe GridView was introduces in .NET 2.0, GridView vs Datagrid: http://msdn.microsoft.com/en-us/library/05yye6k9.aspx
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