server error in '/' application.

there is no row at position 0.

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.indexoutofrangeexception: there is no row at position 0.

source error:

line 41:               <itemtemplate> 
line 42:                    <a href="overview.aspx?title=<%#evals("title") %>">               
line 43:                     <%#dbcss(evals("title").tostring())%>  
line 44:                         <li class=" fl">&nbsp;·&nbsp;</li> 
line 45:                         <li class="fl"><%#evals("title") %></li>

source file: d:\web\dhsz\overview.aspx    line: 43

stack trace:

[indexoutofrangeexception: there is no row at position 0.]
   system.data.rbtree`1.getnodebyindex(int32 userindex) +2483230
   system.data.datarowcollection.get_item(int32 index) +21
   kindeditor.overview.newstitle() in g:\迅雷下载\kindeditordemo\kindeditor\overview.aspx.cs:50
   kindeditor.overview.dbcss(string val) in g:\迅雷下载\kindeditordemo\kindeditor\overview.aspx.cs:57
   asp.overview_aspx.__databind__control7(object sender, eventargs e) in d:\web\dhsz\overview.aspx:43
   system.web.ui.control.databind(boolean raiseondatabinding) +304
   system.web.ui.control.databindchildren() +11526503
   system.web.ui.control.databind(boolean raiseondatabinding) +321
   system.web.ui.webcontrols.repeater.createitem(int32 itemindex, listitemtype itemtype, boolean databind, object dataitem) +185
   system.web.ui.webcontrols.repeater.createcontrolhierarchy(boolean usedatasource) +627
   system.web.ui.webcontrols.repeater.ondatabinding(eventargs e) +167
   kindeditor.overview.repeaterleftbinddata() in g:\迅雷下载\kindeditordemo\kindeditor\overview.aspx.cs:35
   kindeditor.overview.page_load(object sender, eventargs e) in g:\迅雷下载\kindeditordemo\kindeditor\overview.aspx.cs:15
   system.web.util.callihelper.eventargfunctioncaller(intptr fp, object o, object t, eventargs e) +25
   system.web.ui.control.loadrecursive() +71
   system.web.ui.page.processrequestmain(boolean includestagesbeforeasyncpoint, boolean includestagesafterasyncpoint) +3064


version information: microsoft .net framework version:4.0.30319; asp.net version:4.0.30319.1040