Elegant way of using a confirm button in C#.NET-CodePudding

I need to implement a confirm button in c#.net that I can dynamically set the text as well as the application can understand when the user clicks "Cancel".

I don't want to use a hidden field, if possible.

Currently the only 2 ways I know to use a confirm button in .NET is to either put the button in the "OnClientClick" area of the asp:button, like this.

OnClientClick="return Confirm("The text");

Or to register it using the scriptmanager, like so.

ScriptManager.RegisterStartupScript(Page, Page.GetType(), "confirm", "return confirm('Add Tax');", true);

I could pass a variable to a hidden field in .NET and then have Javascript pull that field value like this....

function confirmbutton()
{

value = document.getElementByID("HDNField");

if (value ==1)
{
confirm("do you want to eat");
}

if (value ==2)
{
confirm("do you want to sleep");
}

}

This will work, but I prefer a more elegant solution.

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