如何在DataGrid里面产生滚动条而不滚动题头

document.body.currentStyle.overflowY == 'scroll'){
w = document.body.offsetWidth - document.body.clientLeft - document.body.clientWidth;
}else{
win = window.open("about:blank", "_blank", "top=0,left=0,width=100,height=100,scrollbars=yes");
win.document.writeln('scrollbar');
w = win.document.body.offsetWidth - win.document.body.clientLeft - win.document.body.clientWidth;
win.close();
}

return w;
}

function getActualWidth(e){
if (! e.currentStyle) e.currentStyle = e.style;

return e.clientWidth - parseInt(e.currentStyle.paddingLeft) - parseInt(e.currentStyle.paddingRight);
}

function findRowWidth(r){
for (var i=0; i < r.length; i++){
r[i].actualWidth = getActualWidth(r[i]);
}
}

function setRowWidth(r){
for (var i=0; i < r.length; i++){
r[i].width = r[i].actualWidth;
r[i].innerHTML = '<span style="width:' + r[i].actualWidth + ';">' + r[i].innerHTML + '</span>';
}
}

function fixTableWidth(tbl){
for (var i=0; i < tbl.tHead.rows.length; i++) findRowWidth(tbl.tHead.rows[i].cells);
findRowWidth(tbl.tBodies[0].rows[0].cells);
if (tbl.tFoot) for (var i=0; i < tbl.tFoot.rows.length; i++) findRowWidth(tbl.tFoot.rows[i].cells);

//tbl.width = '';

for (var i=0; i < tbl.tHead.rows.length; i++) setRowWidth(tbl.tHead.rows[i].cells);
setRowWidth(tbl.tBodies[0].rows[0].cells);
if (tbl.tFoot) for (var i=0; i < tbl.tFoot.rows.length; i++) setRowWidth(tbl.tFoot.rows[i].cells);
}

function makeScrollableTable(tbl,scrollFooter,height){
var c, pNode, hdr, ftr, wrapper, rect;

if (typeof tbl == 'string') tbl = document.getElementById(tbl);

pNode = tbl.parentNode;
fixTableWidth(tbl);

c = container.length;
container[c] = document.createElement('<SPAN style="height: 100; overflow: auto;">');
container[c].id = tbl.id + "Container";
pNode.insertBefore(container[c], tbl);
container[c].appendChild(tbl);
container[c].style.width = tbl.clientWidth + 2 * tbl.clientLeft + scrollbarWidth();

hdr = tbl.cloneNode(false);
hdr.id += 'Header';
hdr.appendChild(tbl.tHead.cloneNode(true));
tbl.tHead.style.display = 'none';

if (!scrollFooter

关键词：如何在DataGrid里面产生滚动条而不滚动题头