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 147:    <%if(ItemID>0) {%>
Line 148:      <div class="titledm">THÔNG TIN ẤN PHẨM</div>
Line 149:    <div id="leftbook"> <a href="/Pages/chi-tiet-sachnew.aspx?ItemId=<%=oSach.ID %>" title="<%=oSach.Title %>">
Line 150:            <p style="text-align: center;" id="img">
Line 151:                <a id="anhmotasach"><%=oSach.AnhDaiDien %></a></p>

Source File: c:\tfs\NhaXuatBan\NhaXuatBan\SMPT_Publishing_UC\Sach\UC_ChiTietSach.ascx    Line: 149

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ASP.smpt_publishing_uc_sach_uc_chitietsach_ascx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in c:\tfs\NhaXuatBan\NhaXuatBan\SMPT_Publishing_UC\Sach\UC_ChiTietSach.ascx:149
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +275
   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
   Microsoft.SharePoint.WebPartPages.SPChrome.RenderPartContents(HtmlTextWriter output, WebPart part) +36

[WebPartException: Object reference not set to an instance of an object.]
   Microsoft.SharePoint.WebPartPages.SPChrome.RenderPartContents(HtmlTextWriter output, WebPart part) +151
   Microsoft.SharePoint.WebPartPages.SPChrome.RenderWebPart(HtmlTextWriter output, WebPart part) +61
   Microsoft.SharePoint.WebPartPages.WebPartZone.RenderZoneCell(HtmlTextWriter output, Boolean bMoreParts, WebPart part) +2044
   Microsoft.SharePoint.WebPartPages.WebPartZone.RenderWebParts(HtmlTextWriter output, ArrayList webParts) +641
   Microsoft.SharePoint.WebPartPages.WebPartZone.Render(HtmlTextWriter output) +1106
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   Microsoft.SharePoint.WebControls.AjaxDelta.RenderChildren(HtmlTextWriter output) +59
   System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter writer) +15
   System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +50
   Microsoft.SharePoint.WebControls.AjaxDelta.Render(HtmlTextWriter writer) +354
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11661639
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +47
   Microsoft.SharePoint.WebControls.SharePointForm.Render(HtmlTextWriter output) +961
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +53
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +47
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +169
   System.Web.UI.Page.Render(HtmlTextWriter writer) +40
   Microsoft.SharePoint.WebControls.DeltaPage.RenderToBase(HtmlTextWriter writer) +886
   Microsoft.SharePoint.WebControls.DeltaPage.Render(HtmlTextWriter writer) +82
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +80
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4239


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0