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 20:        {
Line 21:            DataTable dt = dsCer.GetDataBy(Convert.ToInt32(Request.QueryString["Cer"].ToString()));
Line 22:            LitTitle1.Text = dt.Rows[0]["Fld_Name"].ToString();
Line 23:            string CatId= dt.Rows[0]["Fld_CatId"].ToString();
Line 24:            LitTitle2.Text = dt.Rows[0]["Fld_Name"].ToString();

Source File: d:\Inetpub\vhosts\ram-gees.com\httpdocs\CertificateEn.aspx.cs    Line: 22

Stack Trace:


[IndexOutOfRangeException: There is no row at position 0.]
   System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2519554
   System.Data.DataRowCollection.get_Item(Int32 index) +20
   SubPageEn.Page_Load(Object sender, EventArgs e) in d:\Inetpub\vhosts\ram-gees.com\httpdocs\CertificateEn.aspx.cs:22
   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