Handle Dynamic button click event ASP.NET

Dim btnConfig As New Button
btnConfig.ID = "Config" + dr("confignum").ToString
btnConfig.Text = dr("configname")
btnConfig.CommandName = "ShowPart"
btnConfig.CommandArgument = dr("confignum")
btnConfig.CssClass = "SingleConfigBtn"
AddHandler btnConfig.Command, AddressOf btnConfig_Click
plcConfigList.Controls.Add(btnConfig)

Sub btnConfig_Click(ByVal send As Object, ByVal e As CommandEventArgs)
showPartList(e.CommandArgument) 'dr("confignum") in this case will be received
End Sub