asp.net and C# Server Error in '/' Application.

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Server Error in '/' Application.

After I enter user id and password in login screen, I get above error.

I am using C#, aspnet 4.0 framework.

C#

--------
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Security; 
namespace WebApplication9
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        protected void Button1_Click(object sender, EventArgs e)
        { if (FormsAuthentication.Authenticate(txtUsername.Text, txtPassword.Text)) 
        { lblStatus.Text = ("Welcome " + txtUsername.Text); FormsAuthentication.RedirectFromLoginPage(txtUsername.Text, true); 
        } 
        else
        { lblStatus.Text = "Invalid login!"; }
        } 
    }
}
----------------- form
<head  runat="server">
    <title></title>
</head>
<body>
    <form id="form1"  runat="server">
    
        Username: <asp:TextBox ID="txtUsername" runat="server" /><br> 
        Password: <asp:TextBox ID="txtPassword" runat="server" /><br> 
        <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Login" /><br>
        <asp:Label ID="lblStatus" runat="server" Text="Please login">
    </form>
</body>
</html>
------------  webconfig
<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->   
      
        <forms name="TestAuthCookie" loginUrl="~/WebForm1.aspx" timeout="30">
          
            
            
          
        </forms>
      
      
        
      
      
      <pages controlRenderingCompatibilityVersion="3.5" clientIDMode="AutoID"/>

Posted 7-Nov-12 20:38pm

ketfos1

Updated 15-Nov-12 21:10pm

Herman<T>.Instance

v3

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Comments

Mohamed Mitwalli 8-Nov-12 2:42am

Check your connectionstring

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 8-Nov-12 4:34am

You have to give more information...
May be codes of Login page...

ketfos1 8-Nov-12 8:59am

-- removed by digimanus and set in question

3 solutions

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**R. Giskard Reventlov** · Answer 1 · 2012-11-15T12:24:00

Solution 1

I think you should check to see that you have properly setup your site. The information here might help: RedirectFromLoginPage[^].

Is an error being generated? What page are you starting from?

Posted 15-Nov-12 12:24pm

R. Giskard Reventlov

manasayarlagadda · Answer 2 · 2012-11-15T18:06:00

Solution 2

You may check your connection string in web.config file.

Posted 15-Nov-12 18:06pm

manasayarlagadda

Ram424 · Answer 3 · 2012-11-15T21:14:00

Solution 3

Commonly server errors will raise because of invalid paths so check it once.

Posted 15-Nov-12 21:14pm

Ram424