DropDownList fires MessageBox

[Iamthestig]

Hi,

I'm not sure if this can be done.
I am using ASP.Net 2.0 / VS 2008 / VB

I have a page with a dropdownlist of user names. When the list is clicked (or before a user name is changed) I want to display a messagebox reminding the user to Save the current Page. Like: "Have you saved this page?" With Yes No buttons. Then cancel the dropdownlist from changing if they click No.
I can do this with a button, can it be done with a dropdownlist?

Many thanks.

 

[BillyRayPreachersSon]

You will not be able to have 'Yes' and 'No' buttons with the standard 'confirm' box - they will be 'OK' and 'Cancel'.

If you want 'Yes' and 'No', you'll have to roll your own DHTML version, or use VBScript (which means IE only).

Hope this helps,
Dan



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[Iamthestig]

Thanks Dan,

I can live with OK and Cancel.

With a button I would use this:

<asp:Button runat="server" id="btnSubmit" Text="Submit" OnClientClick="return confirm('Proceed');" />

btnSubmit.Attributes.Add("onClick", "return confirm('Proceed');")

do you know the code to trigger the dropdownlist? I have tried OnPreRender and OnTextChanged but with no luck.