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 90: string str1 = ""; Line 91: //بدست آوردن کلمات کلیدی Line 92: str1 = dr_seo["title"].ToString(); Line 93: setmetatag(str1, str1, str1, str1, str1); Line 94: dr_seo.Close();

Source File: d:\hostingspaces\alisafavian.com\httpdocs\projectdetails.aspx.cs    Line: 92

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 projectdetails.seo() in d:\hostingspaces\alisafavian.com\httpdocs\projectdetails.aspx.cs:92 projectdetails.Page_Load(Object sender, EventArgs e) in d:\hostingspaces\alisafavian.com\httpdocs\projectdetails.aspx.cs:23 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