Combogrid, no grid in IE8

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When using an external JSON, IE8 gave me a parseError:

Unterminated String Constant

It has something to do with the /n/r

Anyone has seen this before?

No the debugger keeps telling me:   'field' is null or not an object  jquery.datagrid.js, line 668 character 1

.....

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Ok solved it,

The code had an error in the column array. The error (an additional , after the last column declaration) only affected IE because this browser was expecting a column.

In the call for a combogrid:

Code:

...
....
....
columns:[[
		        {field:'id',title:'Id',width:80,hidden:true},
				{field:'restUri',title:'RestUri',width:120,hidden:true},
				{field:'identifier',title:'Identifier',width:120,hidden:true},
				{field:'description',title:'Subject',width:150,sortable:true}, 
]],
....
....