关于UltraWebGrid CheckBox的选种JS实现的问题？

Question

我使用UltraWebGrid控件，在第一列设置为CheckBox属性，想选种某些行的CheckBox，然后按删除按钮删除该行，或者选择某一CheckBox控件全选UltraWebGrid控件选中的CheckBox或取消，在课户端如何实现？谢谢。

Answer 1

http://singlepine.cnblogs.com/archive/2005/11/01/266538.htmlfunction chkAll_true()
            {
                var chkall= document.all["chkAll"];
                var chkother= document.getElementsByTagName("input");
                for (var i=0;i<chkother.length;i++)
                {
                    if( chkother[i].type=='checkbox')
                    {
                        if(chkother[i].id.indexOf('chkExport')>-1)
                        {
                            if(chkall.checked==true)
                            {
                                chkother[i].checked=true;
                            }
                            else
                            {
                                chkother[i].checked=false;
                            }
                        }
                    }
                }
            }
            
            function Delete()
            {
                var  al = new Array();
                var chkother= document.getElementsByTagName("input");
                for(var i=0,j=0;i<chkother.length;i++)
                {
                    if( chkother[i].type =='checkbox')
                    {
                        if(chkother[i].id.indexOf('chkExport')>-1)
                        {
                            if(chkother[i].checked==true)
                            {
                                al[j] =chkother[i].value;
                                j++;
                            }
                        }
                    }
                }
                if (al == "")
                {
                    alert('You need to select a row in the list before selecting Delete.\r\nPlease select a row and try again.');
                }
                else if (window.confirm("Are you sure to delete all these?"))
                {
                    var deleteID='<%=btndelete.ClientID%>';
                    window.document.all(deleteID).click();
                }
                else { return false; }               
            }