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6.8

Linq anonymous type to datatable

Asked by cpx_Support in Language Integrated Query - LINQ, Microsoft Visual Basic.Net

VB 2008

I want to convert a LINQ query to datatable.
I'm using this code:

            Dim Var051a As IEnumerable
            Dim tableVar051 as DataTable

            Var051a = From ...

            tableVar051 = ToDataTable(Var051a)

but it can't compile because says that can't determine the Var051a Type 
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Function ToDataTable(Of T)(ByVal collection As IEnumerable(Of T)) As DataTable
        
 
        Dim dt As DataTable = New DataTable
 
        ' Could add a check to verify that there is an element 0
        Dim TopRec As T = collection.ElementAt(0)
 
        Dim pia() As System.Reflection.PropertyInfo
        pia = (CType(TopRec.GetType(), Type)).GetProperties()
 
 
        ''Create the columns in the DataTable
        For Each pi As System.Reflection.PropertyInfo In pia
            dt.Columns.Add(pi.Name, pi.PropertyType)
        Next
 
        ''Populate the table
        For Each item In collection
            Dim dr As DataRow = dt.NewRow()
            dr.BeginEdit()
            For Each pi As System.Reflection.PropertyInfo In pia
                dr(pi.Name) = pi.GetValue(item, Nothing)
            Next
            dr.EndEdit()
            dt.Rows.Add(dr)
        Next
        Return dt
    End Function
[+][-]09/21/09 11:59 AM, ID: 25386271Accepted Solution

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Zones: Language Integrated Query - LINQ, Microsoft Visual Basic.Net
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Solution Provided By: Chaosian
Participating Experts: 3
Solution Grade: A
 
[+][-]09/21/09 11:36 PM, ID: 25390066Author Comment

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[+][-]09/22/09 02:44 AM, ID: 25390950Expert Comment

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[+][-]09/22/09 02:46 AM, ID: 25390963Author Comment

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[+][-]09/22/09 02:49 AM, ID: 25390976Assisted Solution

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[+][-]09/22/09 02:52 AM, ID: 25390987Author Comment

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[+][-]09/22/09 02:58 AM, ID: 25391020Expert Comment

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[+][-]09/22/09 03:03 AM, ID: 25391040Author Comment

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