I was wondering is there is a way to use the existing modal popup already used by SharePoint and override its callback?


1 Answer 1


Yea, there is a dialogReturnValueCallback option when using the SP.UI.ModalDialog.showModalDialog. See http://msdn.microsoft.com/en-us/library/ff410058%28v=office.14%29.aspx

In the callback function you can test to see whether the user clicked ok or cancel to close the dialog.

var options = SP.UI.$create_DialogOptions();
options.url = url;
options.dialogReturnValueCallback = Function.createDelegate(null, CloseCallback);

// Dialog callback
function CloseCallback(result, target) {
    if (result === SP.UI.DialogResult.OK) {

    if (result === SP.UI.DialogResult.cancel) {

  • What i want to do first is open an already existing modal creating when you install sharepoint, how can i do that ? Commented Apr 12, 2012 at 16:11
  • So you want to tap into when SharePoint opens a modal and know when it's closed? What are you trying to accomplish with this? Commented Apr 12, 2012 at 16:47
  • Yes i want to use something like, ModalDialog.Open("/UserRegister.aspx") to open already existing Sharepoint Modal Commented Apr 12, 2012 at 16:58
  • What do you mean by an already existing modal? I don't see where my code above doesn't help you with the example you gave. Sorry. Commented Apr 12, 2012 at 17:13
  • Sharepoint already has Modal popup defined, for when you add permissions for exemple, sharepoint will open a modal popup, i want to use the same modal popup but change its onclick and close callback. Commented Apr 12, 2012 at 18:24

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