ASP.NET Web Forms and Bootstrap 3 and 4 Modals
by johna | July 6, 2017
There are a few methods for hiding and showing Bootstrap 3.x and 4.x modals in an ASP.NET Web Forms application. This technique is pure ASP.NET (requires no client script) and allows you to show and hide modals by changing the Visible property of a containing PlaceHolder or Panel.