Tech Ed

I’m currently down in sunny Orlando, getting ready for Tech Ed (or is it TechEd? That dot between letters is a very odd thing). I’m going to be presenting on LINQ to DataSet, and Understanding the Entity Framework. As usual, I have far too much material for the time that I have. So I ask…


EnumerableRowCollection Type

If you’ve been playing with LINQ to DataSet, you may have noticed the EnumerableRowCollection type. For example, if you have a query like the following, the type of query is EnumerableRowCollection. var query = from row in ds.Tables[0].AsEnumerable()             where row.Field<string>(“name”) == “Bob”             select row; So what is this type and what is it…

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LINQ to DataSet Data Binding – LinqDataView Restriction Joins

LINQ To DataSet Data Binding – LinqDataView restriction joins In previous episodes In the last post I made on LINQ To DataSet Binding, I talked about how to create a LinqDataView. I’m going to spend some time today talking about some of the interesting applications that the LinqDataView allows. This is far from a comprehensive…

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LINQ to DataSet – Data Binding

With the introduction of LINQ to DataSet there finally exists a full featured query language for the DataSet. Now your ability to query your data is limited only by CLR, which is no small thing! For an introduction on LINQ to DataSet, please see this post. This is great new functionality, but for most applications,…

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Problems with the LINQ to Entities 101 samples in the March CTP

If you have downloaded the March CTP (and you have, haven’t you?) you might have noticed that the LINQ to Entities samples were not functioning correctly right out of the gate. Unfortunately in the fast moving world of CTP development, sometimes the samples and the code get out of sync, and this was one of…

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