Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 24: string query = "select * from menuList where id=@a "; Line 25: SqlCommand scon = new SqlCommand(query, conn); Line 26: scon.Parameters.AddWithValue("@a", Page.RouteData.Values["id"].ToString()); Line 27: SqlDataReader dr_seo = scon.ExecuteReader(); Line 28: if (dr_seo.Read())

Source File: c:\inetpub\vhosts\adrianmachine.com\httpdocs\pageView.aspx.cs    Line: 26

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.] PageView.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\adrianmachine.com\httpdocs\pageView.aspx.cs:26 System.Web.UI.Control.OnLoad(EventArgs e) +107 System.Web.UI.Control.LoadRecursive() +89 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0