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 39:             </td>
Line 40:             <td class="bluebackground" style="height: 19px; text-align: center;">
Line 41:                 <span class="whitetext">Machine: <b><% Response.Write(myReader.GetValue(2) & " - " & myReader.GetValue(3))%></b></span>
Line 42:             </td>
Line 43:             <td class="bluebackground" style="width: 10px; height: 19px;">

Source File: G:\PleskVhosts\firstgraphic.com\httpdocs\Machine.aspx    Line: 41

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
   ASP.machine_aspx.__RenderContent1(HtmlTextWriter __w, Control parameterContainer) in G:\PleskVhosts\firstgraphic.com\httpdocs\Machine.aspx:41
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   ASP.masterpage_master.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in G:\PleskVhosts\firstgraphic.com\httpdocs\MasterPage.master:233
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +276
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11662591
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +47
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +53
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.Page.Render(HtmlTextWriter writer) +40
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4239


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