Server Error in '/' Application.

Invalid attempt to read when no data is present.

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.InvalidOperationException: Invalid attempt to read when no data is present.

Source Error:


Line 469:        dr_seo.Read();
Line 470:        string str1 = "";
Line 471:        str1 = dr_seo["price"].ToString();
Line 472:        dr_seo.Close();
Line 473:        string query = "select * from bons";

Source File: d:\hostingspaces\storebita.com\httpdocs\productdetails.aspx.cs    Line: 471

Stack Trace:


[InvalidOperationException: Invalid attempt to read when no data is present.]
   System.Data.SqlClient.SqlDataReader.CheckDataIsReady(Int32 columnIndex, Boolean allowPartiallyReadColumn, Boolean permitAsync, String methodName) +2742604
   System.Data.SqlClient.SqlDataReader.TryReadColumn(Int32 i, Boolean setTimeout, Boolean allowPartiallyReadColumn) +55
   System.Data.SqlClient.SqlDataReader.GetValueInternal(Int32 i) +42
   System.Data.SqlClient.SqlDataReader.GetValue(Int32 i) +95
   productdetails.bon() in d:\hostingspaces\storebita.com\httpdocs\productdetails.aspx.cs:471
   productdetails.Page_Load(Object sender, EventArgs e) in d:\hostingspaces\storebita.com\httpdocs\productdetails.aspx.cs:256
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0