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 24:         string sql = "Select luotxem from video where idblog=" + Request.QueryString["code"].ToString();
Line 25:         dt = XLDL.Docbang(sql);
Line 26:         lx = 1 + Convert.ToInt32(dt.Rows[0]["luotxem"].ToString());
Line 27:         if (!IsPostBack)
Line 28:         {

Source File: c:\inetpub\vhosts\hdvn.vn\xetaihoamai.vn\video.aspx.cs    Line: 26

Stack Trace:


[IndexOutOfRangeException: There is no row at position 0.]
   System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2441533
   System.Data.DataRowCollection.get_Item(Int32 index) +19
   video.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\hdvn.vn\xetaihoamai.vn\video.aspx.cs:26
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4057.0