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load large csv file whith performance Problems

i want to use xml file to config the grid.and use the csv file to hold the data.
here is my js:
mySubgrid = new dhtmlXGridObject('mylists');
            mySubgrid.setImagePath("../../imgs/");
            mySubgrid.enableMultiline(true);
            mySubgrid.loadXML("./xml/convertE2J.xml");
            
            function loadDate() {
// handle the body s onload event
                mySubgrid.loadCSVFile("./csv/convertE2J.csv");
            }

now my problem is :
when the csv file is very large (more than 1000 rows), it cost too much time (more than 1 m)

i do such like the xml loading in the samples(pro_srnd_static.html)
but i just got errors;

what can i do to increase the performance ?

In current version of grid smart rendering mode available only for XML datasets, there is no way to use this functionality with CSV
If you got an error while using smart rendering with XML source - please provide more details about errors.