Re: Custom Controls & Javascript

If the fldQFName is a control in the same ASPX (or ASCX) where you're doing the script, then I'm not sure whay you have that compiler problem. 

-Brock
DevelopMentor
http://staff.develop.com/ballen



So I have a Media Player object on my screen & I don't want the page
to refresh because it will cause my Media Player to refresh.... which
is why I'm not performing this operation on the server.  I'm trying to
grab the First & Last name fields becasue I need to copy those values
to my user control.  This was very easy to do on the server side...but
it would cause a refresh of the Media that was playing so this is why
i'm looking at trying to perform this operation on the client side.

I tried your option dvar NameField =
document.getElementById('<%=fldQFName.ClientID%>') but that returns an
error:

Compiler Error Message: BC30390: 'Fibs20.QDriver.Protected Dim
WithEvents fldQFName As System.Web.UI.WebControls.TextBox' is not
accessible in this context because it is 'Protected'

Steve.

"Brock Allen" wrote:

So do something like this in your server side code:

string js = "var control = doc.getElementById('{0}')"; js =
String.Format(js, _myServerControl.ClientID);

You'd then need to somehow get the javascript in the 'js' variable
into the page. It's hard to advise given that I'm not sure what
you're trying to do exactly.

Another approach is to do this all in your ASPX, so taking your
initial example (assuming fldQFName is a server side control in your
ASPX):

sFName=document.Form1.fldFName.value;
var NameField = document.getElementById(' <%= fldQFName.ClientID %>
');
NameField.value = sFName;
-Brock
DevelopMentor
http://staff.develop.com/ballen

Forgive me for being a 'newbie' with Javascript... but how do I
obtain the ClientID property?  Could you possibly provide a short
code snipet from what your explaining?  Thank you very much for your
help.

"Brock Allen" wrote:

The ID in the client will be dynamically generated and might be
different than the exact ID you've assigned in your code. To
determine what the ID will be in the client browser use the
ClientID property on the control in the server. You'll have to
incorporate that dynamically into your javascript when calling
getElementById().

-Brock
DevelopMentor
http://staff.develop.com/ballen

I have created a Custom Control and I need to populate 2 fields
with data that I am grabbing from a control on the parent form.  I
need to use Javascript to grab the data on the parent form &
populate the data in the custom control.  The code that I have
below get's the data but can't find the control on the custom
control.  Any ideas or proper direction would be appreciated.

sFName=document.Form1.fldFName.value;
var NameField = document.getElementById(fldQFName);
NameField.value = sFName;
Thanks!
Steve.




.

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