jQuery Grid Plugin - jqGrid - Topic: Page 1 of NaN in case of length of XML data is 0 http://www.trirand.com/blog/?page_id=393/bugs/nan-in-case-of-length-of-xml-data-is-0 Simple:Press Version 5.7.5.3 OlegK on Page 1 of NaN in case of length of XML data is 0 http://www.trirand.com/blog/?page_id=393/bugs/nan-in-case-of-length-of-xml-data-is-0#p24982 Bugs http://www.trirand.com/blog/?page_id=393/bugs/nan-in-case-of-length-of-xml-data-is-0#p24982 Hello Tony,

the described bug is still not fixed in the jqGrid 4.2.0. Do you forget about this or do you think that it's not needed to fix the problem?

Moreover I think, that it would be very practical and simple to allow to use functions (metods) inside of xmlReader. The implementation will be simple enough, but it would gives the user the same power to read practically any XML data like one can do this with JSON data. The usage of attributes instead of elements to represent the value of columns can be also easy possible in the way.

What is your opinion about this?

Best regards
Oleg 

]]> Tue, 25 Oct 2011 13:40:17 +0300 OlegK on Page 1 of NaN in case of length of XML data is 0 http://www.trirand.com/blog/?page_id=393/bugs/nan-in-case-of-length-of-xml-data-is-0#p24566 Bugs http://www.trirand.com/blog/?page_id=393/bugs/nan-in-case-of-length-of-xml-data-is-0#p24566 Hello Tony,

in the past the same bug in case of XML data. The problem is very easy: the uninitialized variable rn is defined in the line 1086 of grid.base.js and it will be not set in case of gxml.length==0:

var gl = gxml.length, j=0, grpdata={}, rn;
if(gxml && gl){
    rn = parseInt(ts.p.rowNum,10); 

later in the line 1181 if will be used

if(locdata) {
    ts.p.records = gl;
    ts.p.lastpage = Math.ceil(gl/ rn);
} 

For undefined rn the lastpage will be NaN.

To fix the problem one should just change the line 1086 to

var gl = gxml.length, j=0, grpdata={}, rn = parseInt(ts.p.rowNum,10);

The line 1088 which contains the same assignment can be removed.

Best regards
Oleg 

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