i have a problem here, so, I use the syncfusion Community, i dont know if this is a problem, so, when I debug the project in my localhost, dont show the path, and i got a popup with an "Error".
This is my master page
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="File.master.cs" Inherits="WebApplication1.Ventas.File" %>
<!DOCTYPE html>
<html lang="en">
<head runat="server">
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title><%: Page.Title %> - My ASP.NET Application</title>
<asp:PlaceHolder runat="server">
<%: Scripts.Render("~/bundles/modernizr") %>
</asp:PlaceHolder>
<webopt:bundlereference runat="server" path="~/Content/css" />
<link rel='nofollow' href="~/favicon.ico" rel="shortcut icon" type="image/x-icon" />
<%:Styles.Render("~/Content/bootstrap.min.css") %>
<%:Styles.Render("~/Content/Site.css") %>
<%:Styles.Render("~/Content/ej/web/Material/ej.web.all.min.css") %>
<%:Styles.Render("~/Content/ej/web/Material/ej.reportdesigner.min.css") %>
<!--[if lt IE 9]>
<%: Scripts.Render("~/Scripts/jquery-1.11.3.min.js")%>
<![endif]-->
<!--[if gte IE 9]><!-->
<%: Scripts.Render("~/Scripts/jquery-3.4.1.min.js")%>
<!--<![endif]-->
<%: Scripts.Render("~/Scripts/bootstrap.min.js")%>
<%: Scripts.Render("~/Scripts/pivotgrid.datasource.js")%>
<%: Scripts.Render("~/Scripts/jsrender.min.js")%>
<%: Scripts.Render("~/Scripts/ej/ej.web.all.min.js")%>
<%: Scripts.Render("~/Scripts/ej/ej.reportdesigner.min.js")%>
<%: Scripts.Render("~/Scripts/ej/ej.webform.min.js")%>
<%: Scripts.Render("~/Scripts/jsondatachart.js")%>
<%: Scripts.Render("~/Scripts/sampleslist.js")%>
<%: Scripts.Render("~/Scripts/properties.js")%>
<%: Scripts.Render("~/Scripts/ZeroClipboard.js")%>
</head>
<body>
<form runat="server">
<asp:ScriptManager runat="server">
</asp:ScriptManager>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" runat="server" rel='nofollow' href="~/">Application name</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li><a runat="server" rel='nofollow' href="~/">Home</a></li>
<li><a runat="server" rel='nofollow' href="~/About">About</a></li>
<li><a runat="server" rel='nofollow' href="~/Contact">Contact</a></li>
</ul>
</div>
</div>
</div>
<div class="container body-content">
<asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
<hr />
<footer>
<p>© <%: DateTime.Now.Year %> - My ASP.NET Application</p>
</footer>
</div>
</form>
</body>
</html>
