Server Error in '/' Application.

Index and length must refer to a location within the string.
Parameter name: length

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 and length must refer to a location within the string.
Parameter name: length

Source Error:


Line 719:
Line 720:                        string chuoicuoi = lines[lines.Length - 1].Trim().ToLower();
Line 721:                        chuoicuoi = chuoicuoi.Substring(0, 2);
Line 722:                        if (chuoicuoi == "bv")
Line 723:                        {

Source File: d:\vhosts\papm.com.vn\httpdocs\App_Code\VQS.cs    Line: 721

Stack Trace:


[ArgumentOutOfRangeException: Index and length must refer to a location within the string.
Parameter name: length]
   System.String.Substring(Int32 startIndex, Int32 length) +13148947
   TTV.VQS.get_ControlCurent() in d:\vhosts\papm.com.vn\httpdocs\App_Code\VQS.cs:721
   Site.LoadIcon_SEO() in d:\vhosts\papm.com.vn\httpdocs\Site.master.cs:130
   Site.LoadModulesControl() in d:\vhosts\papm.com.vn\httpdocs\Site.master.cs:257
   Site.Page_Load(Object sender, EventArgs e) in d:\vhosts\papm.com.vn\httpdocs\Site.master.cs:111
   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.Control.LoadRecursive() +134
   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