Server Error in '/' Application.

Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

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.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

Source Error:


Line 19: 			
Line 20:             var a = sp.xuatBaiViettheomaBaiViet(tbltiTuc);
Line 21: 			UpdataPageView.UpdataMeta(this,a[0].TenTinTuc,a[0].TenTinTuc,a[0].TenTinTuc,"");
Line 22:             foreach (var item in a)
Line 23:             {

Source File: d:\inetpub\vhosts\nhadatphanthiet.vn\httpdocs\vi\chi-tiet-tin-tuc.aspx.cs    Line: 21

Stack Trace:


[ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index]
   System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource) +64
   System.ThrowHelper.ThrowArgumentOutOfRangeException() +15
   System.Collections.Generic.List`1.get_Item(Int32 index) +7515592
   vi_chi_tiet_tin_tuc.Page_Load(Object sender, EventArgs e) in d:\inetpub\vhosts\nhadatphanthiet.vn\httpdocs\vi\chi-tiet-tin-tuc.aspx.cs:21
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627


Version Information: Microsoft .NET Framework Version:2.0.50727.8964; ASP.NET Version:2.0.50727.8962