ASPForums.Net RSS Feedhttp://www.aspforums.net/Handlers/RSS.ashxLatest additions to the content that appears on ASPForums.Net(c) 2019 www.aspforums.com. All rights reserved.ASP.Net Sys.WebForms.PageRequestManagerServerErrorException: Unable to cast object of type 'control1_ascx' to type 'UserControl' <p>Refer below link.</p> <p><a href="https://stackoverflow.com/questions/3382826/why-doesnt-asp-net-recognize-my-user-control">https://stackoverflow.com/questions/3382826/why-doesnt-asp-net-recognize-my-user-control</a></p>https://www.aspforums.net:443/Threads/130778/ASPNet-SysWebFormsPageRequestManagerServerErrorException-Unable-to-cast-object-of-type-control1ascx-to-type-UserControl/https://www.aspforums.net:443/Threads/130778/ASPNet-SysWebFormsPageRequestManagerServerErrorException-Unable-to-cast-object-of-type-control1ascx-to-type-UserControl/Wed, 21 Feb 2018 06:56:15 GMT