or
e.preventDefault() in the RequestStart of the DataSource Event of the ListView, this is not workingvar g_firstLoading = true;function ListView_RequestStart(e) { if (g_firstLoading) { e.preventDefault() g_firstLoading = false; return; }}columns.Template(p => @<text><input type="checkbox" value="" #= @p.Approved?checked="checked":"" # /></text>).Width(60).Title("").HeaderHtmlAttributes(new { style = "background-image:url(../../Content/ImagesAite/th_appr.png); " }).HtmlAttributes(new { style = "text-align:center" });<br> columns.Bound(p => p.Approved).Width(60).Title("").HeaderHtmlAttributes(new { style = "background-image:url(../../Content/ImagesAite/th_appr.png); " }).HtmlAttributes(new { style = "text-align:center" });<br>Object { pane=div#leftPane.k-pane, preventDefault=function(), isDefaultPrevented=function()}Object { preventDefault=function(), isDefaultPrevented=function()}