ASP.NET

if (FileUpload1.HasFile)
{
     string fileExtension = Path.GetExtension(FileUpload1.FileName);

      // Checkout proper file
    
    if (fileExtension.ToLower() != ".jpg" && fileExtension.ToLower() != ".jpeg")
    {
         lblMessage.Text = "Only File With .jpg and .jpeg Extension are allowed";
         lblMessage.ForeColor = System.Drawing.Color.Red;
    
    }
    else
    {
          //checkout whether file already exist or not
   
          if (File.Exists(Server.MapPath("~/Uploaded_Image/" + FileUpload1.FileName)))
          {
                lblMessage.Text = "Image Already Exist...Please Select Another Image";
                lblMessage.ForeColor = System.Drawing.Color.Blue;
    
                return;
          }
          else
          {
              // Upload image
           
              FileUpload1.SaveAs(Server.MapPath("~/Uploaded_Image/" + FileUpload1.FileName));
              lblMessage.Text = "File Uploaded Successfully";
              lblMessage.ForeColor = System.Drawing.Color.Green;

           }

      }

    }

   else
   {
         lblMessage.Text = "Please Select File to be uploaded";
         lblMessage.ForeColor = System.Drawing.Color.Red;
   }

1. Can you connect to the server specified in your connection string using sqlcmd[^]?
2. Can you connect using the credentials specified in your connection string?
3. Can you access the database specified in your connection string?
4. Can you access the database using the credentials from your connection string?

<connectionStrings>
    <add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient"/>
    <add name="StarfleetAcademyDBConnectionString" connectionString="Data Source=.\SQLEXPRESS;Initial Catalog=StarfleetAcademyDB;Integrated Security=True" providerName="System.Data.SqlClient"/>
  </connectionStrings>

<roleManager enabled="false">
      <providers>
        <clear/>
        <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/"/>
        <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/"/>
      </providers>
    </roleManager>

DRAYKKO wrote:

It can also be caused by the role manager feature not being enabled.

DRAYKKO wrote:

<roleManager enabled="false">

<roleManager enabled="true" defaultProvider="AspNetSqlRoleProvider">
   <providers>
      <clear />
      <add 
         name="AspNetSqlRoleProvider" 
         type="System.Web.Security.SqlRoleProvider" 
         connectionStringName="StarfleetAcademyDBConnectionString" 
         applicationName="/"
      />
   </providers>
</roleManager>