Server Error in '/' Application.

A page can have only one server-side Form tag.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: A page can have only one server-side Form tag.

Source Error:


Line 18:     <meta property="fb:app_id" content="916023001874500" />
Line 19:     <meta name="p:domain_verify" content="b40211e6691fdf28173f6f4660244e9f"/>
Line 20:     <link rel="<% = Rel %>" href="<% = PageUrl %>" />
Line 21: 	<link rel="icon" href="~/img/favicon.ico" type="image/x-icon" />
Line 22:     <link href="~/img/logo.png" rel="apple-touch-icon" />

Source File: d:\vhosts\dogohunglong.vn\httpdocs\Site.master    Line: 20

Stack Trace:


[HttpException (0x80004005): A page can have only one server-side Form tag.]
   System.Web.UI.Page.OnFormRender() +9771882
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +36
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +32
   System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output) +55
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +67
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +101
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +43
   ASP.site_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\vhosts\dogohunglong.vn\httpdocs\Site.master:20
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +270
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +14
   System.Web.UI.Control.Render(HtmlTextWriter writer) +12
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +67
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +101
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +27
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +129
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +14
   ComLite.UI.WebPage.Render(HtmlTextWriter writer) in Z:\letruonggiang On My Mac\Data\Partners\DGHL\ComLite.Core\UI\WebPage.cs:112
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +67
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +101
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +27
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1342


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.9224.0