ExtJS 4 Loading data into form panel from store/model or via form.load

[code]
var contactModel = component.contactDetails;
Ext.getCmp(‘EditContact_Form’).getForm().loadRecord( contactModel );

OR

var form = this.getWebItemForm().getForm();
var data = this.getStore(‘WebItemsForm’).getAt(0);
form.loadRecord(data);

OR

Ext.getCmp(‘patient-form’).getForm().load({
url:’formdata.php’,
params:{moduleId:moduleId,action:’doAction’,activity:’getActivePatient’},
success:function(form,action) {
var res = action.result;
Ext.getCmp(‘patient_count’).setText(res.data.active_patient_count);
},
failure:function(response) {
}
});
[/code]