Asp.net mvc Ajax.BeginForm(…)不总是工作,有时使用ASP.NETMVC进行完全回发
我一辈子都搞不懂为什么这篇回帖有时会像它应该的那样使用ajax,有时却不使用。以下是相关代码: JS:Asp.net mvc Ajax.BeginForm(…)不总是工作,有时使用ASP.NETMVC进行完全回发,asp.net-mvc,asp.net-mvc-3,jquery,asp.net-ajax,Asp.net Mvc,Asp.net Mvc 3,Jquery,Asp.net Ajax,我一辈子都搞不懂为什么这篇回帖有时会像它应该的那样使用ajax,有时却不使用。以下是相关代码: JS: 指数 $(函数(){ $('#nav').dropy(); }); $(文档).ready(函数(){ $(“#targetStartDate”).datepicker(); $(“#targetEndDate”).datepicker(); $(“#ticketsHTMLTable”).tablesorter({sortList:[[0,0],[1,0]}); $(“.fakeLink”)
指数
$(函数(){
$('#nav').dropy();
});
$(文档).ready(函数(){
$(“#targetStartDate”).datepicker();
$(“#targetEndDate”).datepicker();
$(“#ticketsHTMLTable”).tablesorter({sortList:[[0,0],[1,0]});
$(“.fakeLink”).mouseover(函数(){
$(this.css(“颜色”、“红色”);
});
$(“.fakeLink”).mouseout(函数(){
$(this.css(“颜色”、“黑色”);
});
});
以下是我的观点(剃须刀):
@使用(Ajax.BeginForm(“索引”,“问题”),新的AjaxOptions
{
HttpMethod=“GET”,
UpdateTargetId=“ticketsTable”,
InsertionMode=InsertionMode.Replace
}))
{
优先
地位
业务单位
开始日期
结束日期
 
@Html.DropDownList(“targetPriorityID”,
新建选择列表(ViewBag.Priorities as System.Collections.IEnumerable,
“ID”、“Title”)、“All”、新的{@onchange=“this.form.submit();”})
@Html.DropDownList(“targetStatusID”,
新建选择列表(ViewBag.Status为System.Collections.IEnumerable,
“ID”、“Title”)、“All”、新的{@onchange=“this.form.submit();”})
@Html.DropDownList(“targetBusinessUnitID”,
新建SelectList(ViewBag.BusinessUnits为System.Collections.IEnumerable,
“ID”、“Title”)、“All”、新的{@onchange=“this.form.submit();”})
@TextBox(“targetStartDate”,new{onchange=“this.form.submit();”})
@TextBox(“targetEndDate”,new{onchange=“this.form.submit();”})
}
@Html.Partial(“\u AllTickets”,模型)
最后是控制器
[HttpPost]
public ActionResult Index(int targetPriorityID = -1, int targetBusinessUnitID = -1, int targetStatusID = -1, string targetStartDate = "", string targetEndDate ="")
{
Repository<Priority> priorityRepository = new Repository<Priority>();
Repository<BusinessUnit> businessUnitRepository = new Repository<BusinessUnit>();
Repository<Status> statusRepository = new Repository<Status>();
ViewBag.Priorities = priorityRepository.GetAll();
ViewBag.BusinessUnits = businessUnitRepository.GetAll();
ViewBag.Statuses = statusRepository.GetAll();
var results = problemRepository.GetAll();
results = (targetPriorityID != -1) ? results.Where(t => t.PriorityID == targetPriorityID) : results;
results = (targetBusinessUnitID != -1) ? results.Where(t => t.BusinessUnitID == targetBusinessUnitID) : results;
results = (targetStatusID != -1) ? results.Where(t => t.StatusID == targetStatusID) : results;
results = (targetStartDate != "") ? results.Where(t => t.DateReported >= DateTime.Parse(targetStartDate)) : results;
results = (targetEndDate != "") ? results.Where(t => t.DateReported <= DateTime.Parse(targetEndDate)) : results;
if (Request.IsAjaxRequest())
{
return PartialView("__AllTickets", results);
}
return View(results);
}
[HttpPost]
公共操作结果索引(int-targetPriorityID=-1,int-targetBusinessUnitID=-1,int-targetStatusID=-1,字符串targetStartDate=“”,字符串targetEndDate=“”)
{
Repository priorityRepository=新存储库();
Repository businessUnitRepository=新存储库();
Repository statusRepository=新存储库();
ViewBag.Priorities=priorityRepository.GetAll();
ViewBag.BusinessUnits=businessUnitRepository.GetAll();
ViewBag.Statuses=statusRepository.GetAll();
var results=problemRepository.GetAll();
结果=(targetPriorityID!=-1)?结果。其中(t=>t.PriorityID==targetPriorityID):结果;
结果=(targetBusinessUnitID!=-1)?结果。其中(t=>t.BusinessUnitID==targetBusinessUnitID):结果;
结果=(targetStatusID!=-1)?结果。其中(t=>t.StatusID==targetStatusID):结果;
结果=(targetStartDate!=“”)?结果。其中(t=>t.DateReported>=DateTime.Parse(targetStartDate)):结果;
结果=(targetEndDate!=“”)?结果。其中(t=>t.DateReported我建议您使用稍后将被AJAXified的范式:
@using (Html.BeginForm("Index", "Problem")
{
<div class="notice">
<div class="prepend-1 span-2">
<label for="targetPriorityID">Priority</label>
</div>
<div class="prepend-1 span-3">
<label for="targetStatusID">Status</label>
</div>
<div class="span-3">
<label for="targetBusinessUnitID">Business Unit</label>
</div>
<div class="span-3 prepend-1">
<label for="targetStartDate">Start Date</label></div>
<div class="span-3 prepend-2">
<label for="targetEndDate">End Date</label>
</div>
<div class="prepend-1 span-3 last">
 
</div>
<div class="prepend-1 span-2">
@Html.DropDownList("targetPriorityID", new SelectList(ViewBag.Priorities as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="prepend-1 span-3">
@Html.DropDownList("targetStatusID", new SelectList(ViewBag.Statuses as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="span-3">
@Html.DropDownList("targetBusinessUnitID", new SelectList(ViewBag.BusinessUnits as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="span-3 prepend-1">
@Html.TextBox("targetStartDate", "")
</div>
<div class="span-3 prepend-2">
@Html.TextBox("targetEndDate", "")
</div>
<div class="prepend-1 span-3 last">
<input type="submit" value="Hide" />
</div>
<br />
<br />
<br />
</div>
}
<div id="ticketsTable">
@Html.Partial("_AllTickets", Model)
</div>
我建议您的另一个改进是使用视图模型,去掉ViewData
,并使用强类型帮助程序。我建议您使用稍后将被AJAXified的范式:
@using (Html.BeginForm("Index", "Problem")
{
<div class="notice">
<div class="prepend-1 span-2">
<label for="targetPriorityID">Priority</label>
</div>
<div class="prepend-1 span-3">
<label for="targetStatusID">Status</label>
</div>
<div class="span-3">
<label for="targetBusinessUnitID">Business Unit</label>
</div>
<div class="span-3 prepend-1">
<label for="targetStartDate">Start Date</label></div>
<div class="span-3 prepend-2">
<label for="targetEndDate">End Date</label>
</div>
<div class="prepend-1 span-3 last">
 
</div>
<div class="prepend-1 span-2">
@Html.DropDownList("targetPriorityID", new SelectList(ViewBag.Priorities as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="prepend-1 span-3">
@Html.DropDownList("targetStatusID", new SelectList(ViewBag.Statuses as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="span-3">
@Html.DropDownList("targetBusinessUnitID", new SelectList(ViewBag.BusinessUnits as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="span-3 prepend-1">
@Html.TextBox("targetStartDate", "")
</div>
<div class="span-3 prepend-2">
@Html.TextBox("targetEndDate", "")
</div>
<div class="prepend-1 span-3 last">
<input type="submit" value="Hide" />
</div>
<br />
<br />
<br />
</div>
}
<div id="ticketsTable">
@Html.Partial("_AllTickets", Model)
</div>
我建议您的另一个改进是使用视图模型,去掉ViewData
,并使用强类型帮助程序。我想知道Request.IsAjaxRequest()是否是问题的根源。我将考虑删除该代码,并始终返回PartialView(“\u AllTickets”,results);
取而代之。我想知道Request.IsAjaxRequest()是否是导致问题的原因。我会考虑删除该代码,并始终返回部分视图(“所有票据”,结果);
相反。我看到的一个问题是,Razor视图中的AJAX选项指定GET HTTP方法,但控制器操作上的操作筛选器指定POST。我看到的一个问题是,Razor视图中的AJAX选项指定GET HTTP方法,但控制器操作上的操作筛选器指定POST Darin,我会在有机会的时候尝试这种方法,但是我以前的方法有什么根本性的错误吗?单独Ajaxing的好处是什么?还有,强类型助手是什么意思?这在很大程度上是有效的,但我必须给所有的DropDownList一个类并添加这一点JS。$(“.ajaxForcePost”).change(函数(){/$('form').submit();});我不确定你的解决方案为什么不能像看上去那样直接起作用。即使这个解决方案也不能100%起作用。当然比上一个解决方案更有效。Darin,我会在有机会的时候尝试这种方法,但是我以前的方法有什么根本性的错误吗?单独一个解决方案的好处是什么JAXifying它?还有,你说的强类型助手是什么意思?这在很大程度上是有效的,但我必须给所有的DropDownList一个类,并添加这一点JS.$(“.ajaxForcePost”).change(function(){/$('form').submit()});我不确定为什么您的解决方案不能直接运行,因为它看起来应该运行。即使这个解决方案也不能100%运行。当然比上一个解决方案更有效。结果是,当
@using (Html.BeginForm("Index", "Problem")
{
<div class="notice">
<div class="prepend-1 span-2">
<label for="targetPriorityID">Priority</label>
</div>
<div class="prepend-1 span-3">
<label for="targetStatusID">Status</label>
</div>
<div class="span-3">
<label for="targetBusinessUnitID">Business Unit</label>
</div>
<div class="span-3 prepend-1">
<label for="targetStartDate">Start Date</label></div>
<div class="span-3 prepend-2">
<label for="targetEndDate">End Date</label>
</div>
<div class="prepend-1 span-3 last">
 
</div>
<div class="prepend-1 span-2">
@Html.DropDownList("targetPriorityID", new SelectList(ViewBag.Priorities as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="prepend-1 span-3">
@Html.DropDownList("targetStatusID", new SelectList(ViewBag.Statuses as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="span-3">
@Html.DropDownList("targetBusinessUnitID", new SelectList(ViewBag.BusinessUnits as System.Collections.IEnumerable, "ID", "Title"), "All")
</div>
<div class="span-3 prepend-1">
@Html.TextBox("targetStartDate", "")
</div>
<div class="span-3 prepend-2">
@Html.TextBox("targetEndDate", "")
</div>
<div class="prepend-1 span-3 last">
<input type="submit" value="Hide" />
</div>
<br />
<br />
<br />
</div>
}
<div id="ticketsTable">
@Html.Partial("_AllTickets", Model)
</div>
$(function() {
$('form :input').change(function() {
var form = $('form');
$.ajax({
url: form.attr('action'),
type: form.attr('method'),
data: form.serialize(),
success: function(result) {
$('#ticketsTable').html(result);
}
});
});
});