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 114:        {
Line 115:            // CODE FOR 1ST IMAGE
Line 116:            featuredArticle = _articles[0];
Line 117:
Line 118:            //Get gallery

Source File: c:\inetpub\wwwroot\ACI_EXPO\auto-expo\Images.aspx.cs    Line: 116

Stack Trace:

[ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index]
   System.Collections.Generic.List`1.get_Item(Int32 index) +14249932
   auto_expo_Images.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\ACI_EXPO\auto-expo\Images.aspx.cs:116
   System.Web.UI.Control.LoadRecursive() +71
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34280