Server Error in '/' Application.

There is no row at position 0.

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.IndexOutOfRangeException: There is no row at position 0.

Source Error:


Line 341:        DataTable dt = (new Dataacess()).GetDataTable("select * from events where id =" + Request.QueryString["id"].ToString() + "", CommandType.Text, null);
Line 342:       int eventmemberCount = (new Dataacess()).GetDataTable("select eventregistration.* from eventregistration,eventfeespaid where eventfeespaid.eventregid=eventregistration.id and eventfeespaid.paid=1 and eventregistration.eventid =" + Request.QueryString["id"].ToString() + " ", CommandType.Text, null).Rows.Count;
Line 343:        if (dt.Rows[0]["maxuser"].ToString() != "" && dt.Rows[0]["maxuser"].ToString() != "0")
Line 344:        {
Line 345:            if (Convert.ToInt32(dt.Rows[0]["maxuser"].ToString()) == eventmemberCount)

Source File: c:\inetpub\vhosts\iccofsj.org\httpdocs\events-programs-1.aspx.cs    Line: 343

Stack Trace:


[IndexOutOfRangeException: There is no row at position 0.]
   System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2140712
   System.Data.DataRowCollection.get_Item(Int32 index) +22
   events_programs_1.Disable_EnableLink() in c:\inetpub\vhosts\iccofsj.org\httpdocs\events-programs-1.aspx.cs:343
   events_programs_1.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\iccofsj.org\httpdocs\events-programs-1.aspx.cs:18
   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