page refresh runs backcode

Question

2.50/5 (2 votes)

See more:

When I refresh or reload the page with the imagebutton, the script for this button runs, how can I stop this happen. I have tried this option, but this will not always invoke IsPostBack or IsRefresh right.

VB

Protected Sub imgBtnAktivate_Click (sender As Object, e As System.Web.UI.ImageClickEventArgs ) Handles imgBtnAktivate.Click
        If IsPostBack Then
            If CBool(HttpContext.Current.Items("IsRefresh")) Then
                'Response.Write("refreshed")
                Label1.Text = "Refreshed"

                Exit Sub
            Else
                Label1.Text = "Postback"
    Generate_Numbers ()

    Dim RemoteURL As String = " http://www.domene.com/recipient.aspx "
    Dim encoding As ASCIIEncoding = New ASCIIEncoding
    Dim data As String = String.Format ( " DomName = { 0 } & DomeneSNr = {1 } & SerNr = {2 }", sDomName , sDomeneSNr , sSerNr )
    Dim bytes ( ) As Byte = encoding.GetBytes (data )
    Dim HttpRequest As HttpWebRequest = ctype ( WebRequest.Create ( RemoteURL ) , HttpWebRequest )

    httpRequest.Method = " POST "
    httpRequest.ContentType = " application / x -www - form - urlencoded "
    httpRequest.ContentLength = bytes.Length ( )

    Dim stream As IO.Stream = httpRequest.GetRequestStream
    stream.Write ( bytes , 0, bytes.Length )
    stream.Close ( )
           End If
        Else
            Exit Sub
        End If
end Sub

Posted 11-Mar-14 13:16pm

meaeg

Updated 12-Mar-14 5:00am

v4

Add a Solution

Comments

Sergey Alexandrovich Kryukov 11-Mar-14 19:17pm

"Backcode"? What is that?
—SA

3 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Anubhav689 · Answer 1 · 2014-03-11T17:58:00

Solution 1

You can check your answer here:

Avoid button click event on page refresh[^]

Similar questions can be found here also:

http://www.c-sharpcorner.com/Forums/[^]

Posted 11-Mar-14 17:58pm

Anubhav689

anil pathak · Answer 2 · 2014-03-12T05:05:00

Hi,

Please try with javascript to refresh the page. you have another event on your image button onclientclick or direct you can put onclick event and use the below javascript code.

function pagerefresh()
{
window.reload();

}

your button event like onclick="pagerefresh()"

Thanks,

meaeg · Answer 3 · 2014-03-13T04:50:00

This did the job!

VB

Private _refreshState As Boolean
Private _isRefresh As Boolean

Protected Overrides Sub LoadViewState(ByVal savedState As Object)

    Dim AllStates As Object() = savedState
    MyBase.LoadViewState(AllStates(0))
    _refreshState = Boolean.Parse(AllStates(1))
    _isRefresh = _refreshState = Session("__ISREFRESH")

End Sub

Protected Overrides Function SaveViewState() As Object

    Session("__ISREFRESH") = _refreshState
    Dim AllStates() As Object = New Object(2) {}
    AllStates(0) = MyBase.SaveViewState
    AllStates(1) = Not (_refreshState)
    Return AllStates

End Function

page refresh runs backcode

3 solutions

Solution 1

Solution 2

Solution 3

Add your solution here

Preview 0