ASP.NET: Add a confirmation popup to a Button

Summary: Ask the user for confirmation when they click a button

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<asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="return confirm('Are you sure you want to delete this record?');" />

Alternatively, you can add the confirmation message from your code-behind file in the Page Load event:

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Button1.Attributes.Add("onclick", "return confirm('Are you sure you want to delete this record?');")
End Sub

This Hack is part of the ASP.NET Hacks collection

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