[英]Fields are added dynamically to the form but not submitted to the server
I want to be able to add different fields to the form on the fly and then submit them to the server.我希望能够动态地向表单添加不同的字段,然后将它们提交到服务器。 This is how I do that:
这就是我这样做的方式:
var frm = this.up('window').down('form');
for(var i = 0; i < 3; i++){
var el = Ext.create('Ext.form.field.Text',{
xtype:'textfield',
name:'field_' + i
});
frm.items(add);
}
alert(frm.getForm().getFields().length); // alerts "0";
It is really interesting, because I even see three new fields in the form - they have their unique ids, names, etc. But for some insane reason frm.getForm().getFields().length
gives me zero, even if I defer this by 2, 5 or infinity seconds.这真的很有趣,因为我什至在表单中看到了三个新字段——它们有它们唯一的 ID、名称等。但是出于某种疯狂的原因
frm.getForm().getFields().length
给了我零,即使我推迟这是 2、5 或无限秒。 What is going on???到底是怎么回事???
Try:尝试:
frm.add(el);
Instead of:代替:
frm.items(add);
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