Question
Wed, 17 Sep 2008 10:23:01 -0700
When calling ObjectContext.GetObjectByKey(key) to load an object, the parent
object is not loaded automatically. Is there a way to force loading of the
parent object? ...
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Linq alias in for each loop
Wed, 17 Sep 2008 06:47:43 -0700 (PDT)
I have some linqtosql
Dim col = (From cd In ctx.TBLContactData _
Join cc In ctx.TBLCompanyContacts On cc.CompanyContactID Equals
cd.CompanyContactID _
Select test = cc.CompanyContactID).Skip(0).Take(10)
When I loop through the collection
For Each colobj In col
'I want be able to write col ...
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What are client views in the Entity Framework?
Tue, 16 Sep 2008 18:39:01 -0700
Hi,
In the article Working with Entity Data, the author mentions that the EF
compiles the conceptual and storage schemas and the mappings between them
into bidirectional pairs of Entity SQL statements called client views.
I ask:
what does bidirectional mean in this context? maybe that they define going ...
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Convert SQL to linq (automatically)
Tue, 16 Sep 2008 22:54:36 +0100
Is there any way to convert fairly basic queries (selects joining across
several tables) into linq? Here's the idea - I use views to act as the basis
for my data access layer (code generated). However I can't use views
directly because they don't use indexes properly (or so I'm told). I just
want to use the ...
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Identify a field with a null value in a Strongly Typed DataSet
Tue, 16 Sep 2008 11:01:01 -0700
I have a Strongly Typed DataSet. I need to know if the value of a field in a
row is DBNULL.value before I use it. I have been obtaining the StronglyTyped
DataRow of the table and testing to see if it's "is DBNULL.value". However,
I'm getting the following exception thrown when the value truly is null:
Catch ...
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Mon, 15 Sep 2008 19:55:44 -0700 (PDT)
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Gucci 1500 Series Ladies Bangle Watch 21527 Recommendation Discount
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Mon, 15 Sep 2008 19:46:55 -0700 (PDT)
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Bulova Bracelet Diamond Ladies Watch 96R39 Recommendation Discount
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Mon, 15 Sep 2008 19:46:43 -0700 (PDT)
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What is the equivalent to Recordset.Properties() collection in
ADO.NET
Mon, 15 Sep 2008 13:07:49 -0700 (PDT)
I am trying to convert some VB6 ADO code to ADO.NET and have a
problem. The existing code sets system properties on the OLE DB data
provider in the RecordSet.Properties() collection prior to opening the
RecordSet. Example:
rsDocs.Properties("SupportsObjSet") = True
However, I don't see any equival ...
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