jquery未定义每个项
My WebApi正在返回以下JSON对象:jquery未定义每个项,jquery,asp.net,webforms,Jquery,Asp.net,Webforms,My WebApi正在返回以下JSON对象: [ { "Department_Id": 5, "Department_Description": "Test API 1" }, { "Department_Id": 6, "Department_Description": "Test API 2" }, { "Department_Id": 7, "Department_Description": "Test API 3" } ] 在使用asp.
[
{
"Department_Id": 5,
"Department_Description": "Test API 1"
},
{
"Department_Id": 6,
"Department_Description": "Test API 2"
},
{
"Department_Id": 7,
"Department_Description": "Test API 3"
}
]
在使用asp.net的web表单中,我有以下代码:
<script type="text/javascript">
$(document).ready(function() {
$.ajax({
type: "POST",
url: "api/TicketDepartments/GetTicketDepartmentsComboBoxAsync",
data: "{}",
contentType: 'application/json; charset=utf-8',
dataType: "json",
async: false,
success: function (data) {
var select = $("#ddlDepartment");
if (data) {
$(data).each(function(index, item) {
select.append($("
<option>").val(item.Value).text(item.Text));
});
}
},
error: function (data) {
alert("An error has occurred during processing your
request.");
}
});
});
</script>
使用部门描述和部门id,以便以后可以在程序中使用
我不确定这个错误是什么意思,也不确定它来自哪里。欢迎任何帮助 我认为您的代码应该是:
select.append($("<option>").val(item.Department_Id).text(item.Department_Description));
});
select.append($(“”).val(item.Department\u Id).text(item.Department\u Description));
});
each()方法用于在包含DOM元素的jQuery集合中循环。如果要在普通数组或对象中循环,应使用$.each()
函数
$.each(data, function(index, item) {
...
}
此外,对象中的属性是
Department\u ID
和Department\u Description
,而不是Value
和Text错误的原因是项
,而不是属性名称。
$.each(data, function(index, item) {
...
}