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dhtmlXGrid Save Data dynamicaly error

Hello,

I'm trying to use the dhtmlXGrid to save data dynamically but I'm getting an error:
this._h2 has no properties
comming from the dhtmlXTreeGrid.js file.

If I comment this part of the bugged code like that:
dhtmlXGridObject.prototype.getParentId=function(rowId){
/*var z=this._h2.get[rowId||0];
if ((!z) || (!z.parent)) return null;
return z.parent.id;*/
}

i'm getting an other error if it can help, (I've also tried to return 1 or 0 or with "" or simply ""), here is the error:
docObj has no properties
comming from dhtmlXCommon.js file

here is the basic code I'm using to load my grid:

lala = new dhtmlXGridObject('gridboxXML');
    lala.imgURL = "<%=m_sContextPath%>/images/dhtmlXGrid/";
    lala.setHeader("Column A, Column B");
    lala.setInitWidths("100,250");
    lala.setColAlign("right,left");
    lala.setColTypes("ed,ed");
    lala.setColSorting("str,str");
    lala.init();
    lala.addRow("1","text1,text2");    
    
    //lala.loadXML("<%=m_sContextPath%>/test.do");
    myDataProcessor = new dataProcessor("<%=m_sContextPath%>/test.do");
    myDataProcessor.enableDataNames(true);
    myDataProcessor.setUpdateMode("cell");
    myDataProcessor.setTransactionMode("GET");
    myDataProcessor.init(lala);

Problem confirmed and already fixed in latest build - original version of dataprocessor ( from grid 1.4 ) was not able work correctly with grid and treeGrid in same time.
Please contact us directly at support@scand.com and provide your ref. number - we will send you updated dataprocessor file.