Convert DataTable to LINQ: Unable to query multiple fields?

It sounds like you're writing a bad select statement. Try the following: public void Something(DataTable dt) { var data = from row in dt.AsEnumerable() select new { Order = row"Order".ToString(), Something = row"Something".ToString(), Customer = row"Customer".ToString(), Address = row"Address".ToString() }; } That will create a new collection of Anonymously Typed objects that you can iterate over and use as needed. Keep in mind, though, that you want be able to return data from the function.

If you need that functionality, you need to create a concrete type to use (in place of anonymous types).

Yeah I was forgetting the new keywords. Still not used to these anonymous delegates and all that, I forgot. Thanks!

– Mohgeroth Jul 27 '10 at 13:21.

I think you should use select new like this query for example: var q = from o in db. Orders where o.Products.ProductName. StartsWith("Asset") && o.

PaymentApproved == true select new { name = o.Contacts. FirstName + " " + o.Contacts. LastName, product = o.Products.

ProductName, version = o.Products. Version + (o.Products. SubVersion * 0.1) }.

You probably want the following. Var data = from row in dt.AsEnumerable() select new { Order = row"Order".ToString(), Version = row"Version".ToString() }.

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