Struggling with LINQ to Dataset

Hi,

I'm just getting my feet wet with LINQ but am struggling to convert this SQL statement to LINQ.

Code:

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Dim SQLString As String = "SELECT MESSAGE_ID FROM " & Schema & _
                                      ".PPM_TRANSFER_EMAIL WHERE TO_CHAR(IMPORTED_DATE,'YYYY/MM/DD') <= '" & _
                                        DeletionDate.ToString("yyyy/MM/dd") & "' AND IMPORTED = 'Y' AND FILE_NAME LIKE '" & _
                                        mb & "%'"

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I have a Dataset that already contains all the data from the PPM_TRANSFER_EMAIL table so it seems silly to query the database again when I can use LINQ to query the dataset. I just can't figure out the syntax.

should look something like this:

Code:

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Dim MessageID_List  As List(Of String) = yourdataset.datatablename.WHERE(function (c) c.Imported_Date <= DeletionDate andalso c.Imported = "Y" AndAlso c.File_Name.StartsWith(mb)).Select(function (f) f.Message_ID).ToList()

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I think that will work....

-tg