Bug with the LookupField control when the number of items is greater t(arabia-sharepoint.blogspot.com)
submitted by 
ranyaof(25) 2 years, 5 months ago
Bug with the LookupField control when the number of items is greater than 20
If the number of items is <= 20 then the control generate a DropDownList. If the number of items is > 20 then the control generate a TextBox and an Image
When the LookupField has more than 20 items, we receive thew following error: Microsoft JScript runtime error: Object required The problem is raised in the Core.js file in the AbsLeft method.
function AbsLeft(obj)
{
var x=obj.offsetLeft;
var parent=obj.offsetParent;
while (parent.tagName !="BODY")
{
x+=parent.offsetLeft; parent=parent.offsetParent;
}
x+=parent.offsetLeft;
return x;
}
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