DataTable.Columns Property

 

Gets the collection of columns that belong to this table.

Namespace:   System.Data
Assembly:  System.Data (in System.Data.dll)

Public ReadOnly Property Columns As DataColumnCollection

Property Value

Type: System.Data.DataColumnCollection

A DataColumnCollection that contains the collection of DataColumn objects for the table. An empty collection is returned if no DataColumn objects exist.

The DataColumnCollection determines the schema of a table by defining the data type of each column.

The following example prints each value of each row in a table using the Columns property.

Private Sub PrintValues(ByVal table As DataTable)
    Dim row As DataRow
    Dim column As DataColumn
    For Each row in table.Rows
       For Each column In table.Columns
          Console.WriteLine(row(column))
       Next
    Next
End Sub

.NET Framework
Available since 1.1
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