<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1" DisplayAfter="0">
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background: url(/images/ajax-loader.gif) top left no-repeat;
by John Avis | April 9, 2019
In this, my third post on this topic, I go over the methods I am using now and the problems I have encountered and overcome.
by John Avis | February 20, 2019
I was recently doing some work on a website which has a mixture of older Classic ASP pages and ASP.NET Web Forms pages and ran into problems with custom error pages.
by John Avis | 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.