Private Sub cmd_race_load_Click(ByVal sender As System.Object, ByVal e As _
  System.EventArgs) Handles cmd_race_load.Click
        da = New MySqlDataAdapter("", conn)
 
        da.SelectCommand.CommandText = "SELECT * FROM " & cb_race_table.Text
        da.SelectCommand.CommandType = CommandType.Text
 
        ds = New DataSet("Fahrer")
        dt = New DataTable(cb_race_table.Text)
        ds.Tables.Add(dt)
        da.MissingSchemaAction = MissingSchemaAction.AddWithKey
        da.Fill(dt)
        dv = New DataView(dt)
        race_grid.DataSource = dv
        race_grid.Refresh()
        race_grid.Update()
 
        cmd_start.Enabled = True
    End Sub

Private Sub cmd_race_save_Click(ByVal sender As System.Object, ByVal e As _
  System.EventArgs) Handles cmd_race_save.Click
        Dim cmdb As MySqlCommandBuilder
 
        cmdb = New MySqlCommandBuilder(da)
        da.Update(dt)
 
    End Sub

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