如何要求用户通过弹出框确认操作？

Question

I'm currently coding a button which will delete a record from a database if clicked. However, I want some sort of confirmation after they click it so there are no accidents. I was imagining a popup box that tells them they are about to delete this record with two buttons cancel and OK. If cancelled, nothing happens, but if OK is pressed, then the server would execute the delete as coded. How would I do this in asp/vb?

Answer 1

Here is a button with a confirmation message :

<asp:Button runat="server" ID="btnDelete" 
     OnClick="btnDelete_Click" 
     OnClientClick="return confirm('Do you want to delete the record ? ');" />

Here is the way to add confirm client script at server side :

btnDelete.Attributes.Add("onclick", 
        "return confirm('Do you want to delete the record ? ');")

Answer 2

Adding Client-Side Message Boxes in your ASP.NET Web Pages is a great tutorial to make client-side confirmation messages like this:

Using ASP.NET & VB.NET (Don't forget to read part2.)