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 18:             SqlDataReader dr = cmd.ExecuteReader();  
Line 19:             dr.Read();  
Line 20:             context.Response.BinaryWrite((Byte[])dr[0]);  
Line 21:             conn.Close();  
Line 22:             context.Response.End();  

Source File: c:\inetpub\vhosts\tirupatimachines.com\httpdocs\Image.ashx    Line: 20

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) +2734911
   System.Data.SqlClient.SqlDataReader.TryReadColumn(Int32 i, Boolean setTimeout, Boolean allowPartiallyReadColumn) +54
   System.Data.SqlClient.SqlDataReader.GetValueInternal(Int32 i) +41
   System.Data.SqlClient.SqlDataReader.GetValue(Int32 i) +92
   Image.ProcessRequest(HttpContext context) in c:\inetpub\vhosts\tirupatimachines.com\httpdocs\Image.ashx:20
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +790
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3282.0