Question

okay i have been trying to understand this for hours i am learning VB :

if i have this ( PageLoadComplete function / HiddenField / linkButton ) :

 Protected Sub PageLoadComplete(sender As Object, e As System.EventArgs) Handles     Me.LoadComplete
    If Request.QueryString("viewPDF") = 1 Then
        MsgBox(myfield.Value)
    End If
End Sub

this link open a new tab linked to the same page (it loads the same page ) :

   <asp:LinkButton runat="server" CssClass="lnkBtn" ID="btnViewPDF" 
 OnClientClick="var url = 'CIP_frmCIPEventExplore.aspx?ViewPDF=1;
  parent.showNewTab(url, 'CIP Chart - PDF', 'CIP');">
  <img alt=""src="External_Files/images/view_pdf_icon.png" />
   <span>View MsgBox</span></asp:LinkButton>

and hidden field that has a value :

<asp:HiddenField ID="myfield" runat="server" Value="myfields" />

IF i click on the link it open a new tab with a MsgBox that has the HiddenField (ID=”myfield”) value which is very fine but :

if i modify this hidden field and remove it’s value like this :

   <asp:HiddenField ID="myfield2" runat="server" />

and then add this value using javascript:

   $("#<%=btnViewPDF.ClientID%>").click(function(){
               $("#<%=myfield2.ClientID%>").val('this is the field2 val') ; ) ; 
            });

i get an empty MsgBox() , so how can i make the jquery update this hidden field ID=”myfield2″ before calling the PageLoadComplete function
Thanks

Answer 1

Well, you have two click events defined for btnViewPDF, so they are likely conflicting with each other. Try moving the Javascript from the OnClientClick property into the jQuery click() function.