Life is an algorithm which is recursive...

Aklımızda, blogumuzda dursun

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

   If Not Page.IsPostBack Then

      btnEKTalepEkle.Attributes.Add("onclick", "btnEKTalepEkle.disabled=true;" & Me.GetPostBackEventReference(Me.btnEKTalepEkle))

    End If

End Sub