when we can call getRowsNum() method using grid.loadXml as after calling loadXml …I am getting getRowsNum =0.Also,for grid.loadXmlString I am getting getRowsNum correctly but not for loadXml method
You have to call getRowsNum() method after all rows was loaded. To detect when all rows was loaded you can use 2nd parameter of loadXML method:
mygrid.loadXML(“grid.xml”,function(){
alert(mygrid.getRowsNum());
})