Cannot find an asset bundle containing the path "~/GlobalResources/MasterCss".

[michele traetta]

Hi i receive this error... use webform in vb.net

this is my code 

public void Configure(BundleCollection bundles)

        {

            List<string> masterCssFiles = new List<string>();

            masterCssFiles.Add("GlobalResources/Master.css");

            // masterCssFiles.Add("MBWebControlsResource/MBLogin/CssMBLogin.css");

            masterCssFiles.Add("GlobalResources/jquery-confirm.min.css");

            masterCssFiles.Add("GlobalResources/jquery-ui.min.css");

            masterCssFiles.Add("GlobalResources/HeaderFooter/Header1024.css");

            masterCssFiles.Add("GlobalResources/HeaderFooter/Footer1024.css");

            //bundles.AddPerSubDirectory<StylesheetBundle>("~/GlobalResources");

            bundles.Add<StylesheetBundle>("GlobalResources/MasterCss", masterCssFiles);

 }

thanks