VB.Net/Database ADO.net/Filter

Use Filter to filter Data Table

Imports System
Imports System.Data
Imports System.Data.SqlClient

public class MainClass
   Shared Sub Main()
      Dim thisConnection As New SqlConnection("server=(local)\SQLEXPRESS;" & _
          "integrated security=sspi;database=MyDatabase")
      " Sql Query 
      Dim sql As String = "SELECT ID, FirstName, LastName FROM Employee"
      Try
         " Create Data Adapter
         Dim da As New SqlDataAdapter
         da.SelectCommand = New SqlCommand(sql, thisConnection)
         " Create and fill Dataset
         Dim ds As New DataSet
         da.Fill(ds, "Employee")
         " Get the Data Tables Collection
         Dim dtc As DataTableCollection = ds.Tables
         " Get and Display First Data Table
         " 1. Display header
         Console.WriteLine("Results From Employee Table")
         Console.WriteLine("FirstName".PadRight(25) & " | LastName")
         " 2. Set display filter
         Dim filter1 As String = "FirstName = "Joe""
         " 3. Set sort
         Dim sort1 As String = "LastName asc"
         " 4. Display filtered and sorted data
         For Each row As DataRow In dtc("Employee").Select(filter1, sort1)
            Console.WriteLine("{0} | {1}", _
               row("FirstName").ToString().PadRight(25), _
               row("LastName"))
         Next

      Catch ex As SqlException
         " Display error
         Console.WriteLine("Error: " & ex.ToString())
      Finally
         " Close Connection
         thisConnection.Close()
         Console.WriteLine("Connection Closed")
      End Try
   End Sub
End Class