Server Error in '/' Application.

Nullable object must have a value.

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.InvalidOperationException: Nullable object must have a value.

Source Error:


Line 127:                            <h2><%#Eval("title") %></h2>
Line 128:                            <div class="page-detail__content-date">
Line 129:                                <%=sw1("Ngày đăng","Date Submitted") %> <%#((DateTime?)Eval("CreateDate")).Value.ToString("dd/MM/yyyy") %>
Line 130:                            </div>
Line 131:                            <%--<div class="page-detail__content-img">

Source File: c:\inetpub\wwwroot\thdcosmetics\Detail.aspx    Line: 129

Stack Trace:


[InvalidOperationException: Nullable object must have a value.]
   System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) +56
   System.Nullable`1.get_Value() +23
   ASP.detail_aspx.__DataBind__control4(Object sender, EventArgs e) in c:\inetpub\wwwroot\thdcosmetics\Detail.aspx:129
   System.Web.UI.Control.OnDataBinding(EventArgs e) +98
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +174
   System.Web.UI.Control.DataBindChildren() +246
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +191
   System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem) +172
   System.Web.UI.WebControls.Repeater.AddDataItemsIntoItemsArray(IEnumerable dataSource, Boolean useDataSource) +279
   System.Web.UI.WebControls.Repeater.PostGetDataAction(IEnumerable dataSource) +104
   System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e) +80
   cboCMS.Web.CWeb.View.Bind() +1539
   cboCMS.Web.CWeb.View.Page_Load(Object sender, EventArgs e) +3288
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Control.LoadRecursive() +162
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0