Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 159:                                            <tr>
Line 160:                                                   <td style="background-color: white">
Line 161:                                                   <% for (int i = 0; i < dtLastPost.Rows.Count; i++)
Line 162:                                                       {%><strong>
Line 163:    <a href="index.aspx?p=forum_thread&thread=<%=dtLastPost.Rows[i]["ThreadId"]%>&forum=<%=dtLastPost.Rows[i]["ForumId"] %>&postid=<%=dtLastPost.Rows[i]["PostId"] %>"><%=dtLastPost.Rows[i]["Title"]%></a>

Source File: c:\inetpub\wwwroot\forum.dtu.edu.vn\modules\forums\admin\InfoUser.ascx    Line: 161

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.modules_forums_admin_infouser_ascx.__RenderRadPageView3(HtmlTextWriter __w, Control parameterContainer) in c:\inetpub\wwwroot\forum.dtu.edu.vn\modules\forums\admin\InfoUser.ascx:161
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +275
   System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter writer) +14
   System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +49
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
   Telerik.Web.UI.RadWebControl.RenderContents(HtmlTextWriter writer) +13
   System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +49
   Telerik.Web.UI.RadWebControl.Render(HtmlTextWriter writer) +93
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
   System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter writer) +14
   System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +49
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   ASP.themes_blue_master_site_master.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in c:\Windows\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files\root\e1c7e586\d76a5beb\App_Web_site.master.642f9af6.qwnnba3c.0.cs:0
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +275
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11662590
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +46
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +52
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +79
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +168
   System.Web.UI.Page.Render(HtmlTextWriter writer) +39
   System.Web.UI.Adapters.ControlAdapter.Render(HtmlTextWriter writer) +23
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +115
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4238


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0