SqlDataAdapter.RowUpdated : SqlDataAdapter « System.Data.SqlClient « VB.Net by API






SqlDataAdapter.RowUpdated

  
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")

      Dim sql As String = "SELECT FirstName, LastName From Employee"

      Try
         thisConnection.Open()

         Dim thisAdapter As New SqlDataAdapter(sql, thisConnection)

         Dim cb As New SqlCommandBuilder(thisAdapter)

         Dim ds As New DataSet
         thisAdapter.Fill(ds, 0, 1, "Customers")

         AddHandler thisAdapter.RowUpdating, AddressOf OnRowUpdating
         AddHandler thisAdapter.RowUpdated, AddressOf OnRowUpdated

         Dim dt As DataTable = ds.Tables("Customers")
         dt.Rows(0)(1) = "The Volcano Corporation"

         thisAdapter.Update(ds, "Customers")

         RemoveHandler thisAdapter.RowUpdating, AddressOf OnRowUpdating
         RemoveHandler thisAdapter.RowUpdated, AddressOf OnRowUpdated

      Catch ex As SqlException
         Console.WriteLine(ex.Message)
      Finally
         ' Close Connection
         thisConnection.Close()
      End Try
   End Sub

   ' Handler for OnRowUpdating
   Shared Private Sub OnRowUpdating(ByVal sender As Object, ByVal e As SqlRowUpdatingEventArgs)
      Console.WriteLine("OnRowUpdating Event")
      If Not e.Status = UpdateStatus.Continue Then
         Console.WriteLine("RowStatus = " & e.Status.ToString())
      End If
   End Sub

   ' Handler for OnRowUpdated
   Shared Private Sub OnRowUpdated(ByVal sender As Object, ByVal e As SqlRowUpdatedEventArgs)
      Console.WriteLine("OnRowUpdated Event")
      Console.WriteLine("Records Affected = " & e.RecordsAffected.ToString())
   End Sub

End Class

   
    
  








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