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 348:        dr_seo.Read();
Line 349:        string str1 = "";
Line 350:        str1 = dr_seo["price"].ToString();
Line 351:        dr_seo.Close();
Line 352:        string query = "select * from bons";

Source File: d:\hostingspaces\tashrifatg1g.com\nimanykala.ir\productdetails.aspx.cs    Line: 350

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) +1769206
   System.Data.SqlClient.SqlDataReader.TryReadColumn(Int32 i, Boolean setTimeout, Boolean allowPartiallyReadColumn) +49
   System.Data.SqlClient.SqlDataReader.GetValueInternal(Int32 i) +32
   System.Data.SqlClient.SqlDataReader.GetValue(Int32 i) +76
   System.Data.SqlClient.SqlDataReader.get_Item(String name) +28
   productdetails.bon() in d:\hostingspaces\tashrifatg1g.com\nimanykala.ir\productdetails.aspx.cs:350
   productdetails.Page_Load(Object sender, EventArgs e) in d:\hostingspaces\tashrifatg1g.com\nimanykala.ir\productdetails.aspx.cs:167
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


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