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 146: string str1 = "", str2 = "", str3 = "", str4 = "", str5 = ""; Line 147: //بدست آوردن کلمات کلیدی Line 148: str1 = dr_seo["name"].ToString(); Line 149: str2 = dr_seo["name"].ToString(); Line 150: str3 = dr_seo["name"].ToString();

Source File: d:\hostingspaces\maangp.com\httpdocs\productview.aspx.cs    Line: 148

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 productview.seo() in d:\hostingspaces\maangp.com\httpdocs\productview.aspx.cs:148 productview.Page_Load(Object sender, EventArgs e) in d:\hostingspaces\maangp.com\httpdocs\productview.aspx.cs:27 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