Hi Dave,

This most likely has to do with the primary key. Make sure that the primary
key is included in the DataKeyNames property for the GridView.

HTH

Thank you,
Ryan Olshan
Website - http://www.StrongTypes.com <http://www.strongtypes.com/>
Group - http://groups.yahoo.com/group/StrongTypes
Blog - http://blogs.dirteam.com/blogs/ryan/


_____

From: StrongTypes@yahoogroups.com [mailto:StrongTypes@yahoogroups.com] On
Behalf Of preludeandave
Sent: Wednesday, February 15, 2006 10:18 PM
To: StrongTypes@yahoogroups.com
Subject: [StrongTypes] Generics: ObjectDataSource, GridView, and BLL


Hi everyone,

I love the idea of generics and am trying to put it to use,
following the samples given on www.asp.net tutorials, specifically:
http://www.asp.net/QuickStart/util/srcview.aspx?
path=~/aspnet/samples/data/GridViewObject.src&file=GridViewObject_vb\
GridViewObject_vb.aspx&lang=VB+Source

I've set up my GridView to access the ObjectDataSource, and my ODS
is set up as:
<asp:ObjectDataSource ID="AllergyODS" Runat="server"
TypeName="AllergiesComponent"

SelectMethod="GetAllergies" UpdateMethod="UpdateAllergy"
DataObjectTypeName="Allergy" SortParameterName="SortExpression">

</asp:ObjectDataSource>

However, whenever I hit Update, I get the dreaded:
ObjectDataSource 'AllergyODS' could not find a non-generic
method 'UpdateAllergy' that takes parameters of type 'Allergy'.

Does anybody have a clue:
a) why this doesn't work as per the examples supplied on asp.net?
b) how I can find the signature of the function that it is trying to
call?

Thanks,
Dave








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