我在这里看到的答案是ObjectContext.使用DbContext时是否有确定实体主键名称的属性?
啊..其中一个我希望实体框架是开源的!我可以从.Find方法收集这个主键名称信息:-)
WCF是否可以传输虚拟属性?
我的项目中有这些课程:
[DataContract]
class Country
{
[Key, DataMember] public int CountryId { get; set; }
[DataMember] public string CountryName { get; set; }
}
[DataContract]
class Employee
{
[Key, DataMember] public int EmployeeId { get; set; }
[DataMember] public string EmployeeName { get; set; }
[DataMember] public int ResidingInCountryId { get; set; }
[ForeignKey("ResidingInCountryId"), DataMember]
public virtual Country ResidenceCountry { get; set; }
}
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我已经Include在我的WCF上了:
db.Employees.Include("ResidenceCountry").Where(x => x.EmployeeId == 1);
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但我得到了这个错误:
底层连接已关闭:连接意外关闭.
如果我不使用,那个错误消失了 virtual
如果它对任何人感兴趣,我在使用virtual和Fetch …
如何将动态添加的控件添加到验证中?
<div class="editor-field">
@*@Html.EditorFor(model => model.Middlename)*@
<div id="x"></div>
<script type="text/javascript">
$(function () {
var newTextBoxDiv = $(document.createElement());
newTextBoxDiv.html('<input type="text" name="Middlename" id="Middlename" width="100" data-val="true" data-val-required="The Middleneim field is required." />');
newTextBoxDiv.appendTo('#x');
});
</script>
@Html.ValidationMessageFor(model => model.Middlename)
</div>
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我注意到当我不使用ready函数时,即
<script type="text/javascript">
var newTextBoxDiv = $(document.createElement());
newTextBoxDiv.html('<input type="text" name="Middlename" id="Middlename" width="100" data-val="true" data-val-required="The Middleneim field is required." />');
newTextBoxDiv.appendTo('#x');
</script>
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,客户端验证启动.有没有办法明确地将延迟创建的输入包含在验证中?
我有一个关于jQuery有效函数的问题.在IE上,它不起作用,有效总是返回true.我使用了这段代码:动态添加字段的客户端验证
这是图表:
Chrome IE
jquery-1.6.1 works not working
jquery-1.4.4 works works
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1.6也不适用于IE.但是,1.4.4 jQuery对IE有效.
这是jsFiddle友好的测试(测试这个本地HTML):
<!--
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js"></script> -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script>
<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.8/jquery.validate.min.js" type="text/javascript"></script>
<script src="http://ajax.aspnetcdn.com/ajax/mvc/3.0/jquery.validate.unobtrusive.min.js" type="text/javascript"></script>
<form id="XXX">
<input type="submit" id="Save" value="Save">
</form>
<script type="text/javascript">
// sourced from https://stackoverflow.com/questions/5965470/client-side-validation-with-dynamically-added-field
// which I do think don't have a bug
(function ($) {
$.validator.unobtrusive.parseDynamicContent = function (selector) {
//use the normal unobstrusive.parse method
$.validator.unobtrusive.parse(selector);
//get the relevant form
var form = $(selector).first().closest('form');
//get the collections of unobstrusive validators, …Run Code Online (Sandbox Code Playgroud) jqGrid上有隐藏/显示列功能,如flexigrid吗?我希望用户能够隐藏列,因此他们很容易查看相关列(信息)
关于我的问题:验证动态添加的控件
我们应该总是在javascripts上使用ready函数吗?