C# 跟踪“保存在”中的数据库的进度；“生活”；进度条asp.net mvc
我需要在.NET4.5中显示SQL加载的进度。目的是显示正在发生的上传的“实时”流。这样上传信息的人可以看到上传正在工作 控制器方法：C# 跟踪“保存在”中的数据库的进度；“生活”；进度条asp.net mvc,c#,asp.net,asp.net-mvc,asp.net-ajax,C#,Asp.net,Asp.net Mvc,Asp.net Ajax,我需要在.NET4.5中显示SQL加载的进度。目的是显示正在发生的上传的“实时”流。这样上传信息的人可以看到上传正在工作 控制器方法： private void ProgressUpload(int? SystemGeneralAnnouncementId) { var systemGeneralAnnouncement = (SystemGeneralAnnouncementId == null) ? null : _uow.SystemGeneralAnno
private void ProgressUpload(int? SystemGeneralAnnouncementId) {
var systemGeneralAnnouncement = (SystemGeneralAnnouncementId == null) ? null : _uow.SystemGeneralAnnouncementRepository.GetById(SystemGeneralAnnouncementId.Value);
List<Status> status = new List<Status>();
if (systemGeneralAnnouncement.Statuses.Length > 0)
{
status.AddRange(systemGeneralAnnouncement.Statuses.Split(',').Select(item => (Status)Enum.Parse(typeof(Status), item)));
}
var allEmailAddresses = new List<PointOfContact>();
var EmailAddresses = new List<PointOfContact>();
//retrieve all Point of contact based upon selected statuses per each loop
var result = new List<PointOfContact>();
foreach (var item in status)
{
result = _uow.PointOfContactRepository.GetAllByStatus(item).ToList();
allEmailAddresses.AddRange(result);
}
// Retrieve the email addresses based on the who is intended to receive the email message
if (systemGeneralAnnouncement.SendToRecipients.Contains("(1) All Three Contacts"))
{
EmailAddresses = allEmailAddresses;
}
else
{
if (systemGeneralAnnouncement.SendToRecipients.Contains("(2) All first Contacts"))
{
pocEmailAddresses.AddRange(allEmailAddresses.Where(r => r.PointOfContactType == PointOfContactTypes.Primary).ToList());
}
if (systemGeneralAnnouncement.SendToRecipients.Contains("(3) All Second Contacts"))
{
pocEmailAddresses.AddRange(allEmailAddresses.Where(r => r.PointOfContactType == PointOfContactTypes.Secondary).ToList());
}
if (systemGeneralAnnouncement.SendToRecipients.Contains("(4) All third contacts"))
{
pocEmailAddresses.AddRange(allEmailAddresses.Where(r => r.PointOfContactType == PointOfContactTypes.SigningAuthority).ToList());
}
if (systemGeneralAnnouncement.SendToRecipients.Contains("(5) All fourth Contacts"))
{
pocEmailAddresses.AddRange(allEmailAddresses.Where(r => r.PointOfContactType == PointOfContactTypes.TuitionRates).ToList());
}
if (systemGeneralAnnouncement.SendToRecipients.Contains("(6) Specified Email Address"))
{
var pocs = new List<PointOfContact>();
string[] emails = systemGeneralAnnouncement.EmailAddresses.Split(',');
foreach (string email in emails)
{
var addPoc = new PointOfContact { Email = email };
User user = _uow.UserRepository.GetByEmail(email);
if (user == null)
{
add.FirstName = "Not Created Account Yet";
}
else
{
addPoc.FirstName = user.FirstName;
addPoc.LastName = user.LastName;
}
List<PointOfContact> idAssociatedToUser =
_uow.PointOfContactRepository
.GetAllPocsByEmail(email)
.ToList();
if (idAssociatedToUser.Count == 0)
{
addPoc.IDNumber = "N/A";
}
else
{
string[] idArray = idAssociatedToUser
.Select(x => x.IDNumber)
.ToArray();
addPoc.IDNumber = string.Join(",", opeidArray);
}
pocs.Add(addPoc);
}
EmailAddresses.AddRange(pocs);
}
}
// if any poc addresses were found...
if (EmailAddresses.Count > 0)
{
string emailBody = WebUtility.HtmlDecode(systemGeneralAnnouncement.EmailBody);
foreach (PointOfContact emailAddress in EmailAddresses.Where(x => x.Email != "" && x.Email != null).ToList())
{
string firstName = emailAddress.FirstName == null ? "" : emailAddress.FirstName.Trim();
string lastName = emailAddress.LastName == null ? "" : emailAddress.LastName.Trim();
string userName = firstName + " " + lastName;
//Below I Used SqlCommand vs EF because EF has AutoDetectChangesEnabled and it slows things down when adding to the context. Instead of tuning it by turning it to false or
//configure it to use AddRange, SqlCommand is the best option for speed.
@model DODMOU.Model.Entities.SystemGeneralAnnouncement
@{
ViewBag.Title = "Send Email";
Layout = "~/Views/Shared/_AdministratorLayout.cshtml";
}
<div class="title">
<h2>Send Email</h2>
</div>
<hr />
<div class="title">
<h2>Are you sure you want to Send this Email?</h2>
</div>
<div class="row">
<div class="col-sm-offset-2 col-sm-9">
<table class="table table-striped table-hover table-bordered table-responsive">
<tr>
<th scope="row" class="col-md-1">@Html.DisplayNameFor(model => model.SendToRecipients) :</th>
<td class="col-md-8">@Html.DisplayFor(model => model.SendToRecipients)</td>
</tr>
<tr>
<th scope="row">@Html.DisplayNameFor(model => model.Subject) :</th>
<td>@Html.DisplayFor(model => model.Subject)</td>
</tr>
<tr>
<th scope="row">@Html.DisplayNameFor(model => model.EmailBody) :</th>
<td class="col-sm-8">@MvcHtmlString.Create(HttpUtility.HtmlDecode(Model.EmailBody))</td>
</tr>
<tr>
<th scope="row">@Html.DisplayNameFor(model => model.Since) :</th>
<td>@Html.DisplayFor(model => model.Since)</td>
</tr>
</table>
</div>
<div class="row col-sm-offset-2 col-sm-9 text-right">
<div class="row col-sm-offset-2 col-sm-9 text-right">
@using (Html.BeginForm("ConfirmSend", "SystemGeneralAnnouncement", FormMethod.Post))
{
@Html.AntiForgeryToken()
@Html.HiddenFor(model => model.SystemGeneralAnnouncementId)
<div class="form-actions no-color">
<input type="submit" value="Send" class="btn btn-primary" /> |
@Html.ActionLink("Back to List", "Index")
</div>
}
</div>
</div>
</div>
@model.model.Entities.systemgeneralnouncement
@{
ViewBag.Title=“发送电子邮件”；
Layout=“~/Views/Shared/_AdministratorLayout.cshtml”；
}
发送电子邮件
您确定要发送此电子邮件吗？
@Html.DisplayNameFor（model=>model.SendToRecipients）：
@DisplayFor（model=>model.SendToRecipients）
@Html.DisplayNameFor（model=>model.Subject）：
@DisplayFor（model=>model.Subject）
@Html.DisplayNameFor（model=>model.EmailBody）：
@MvcHtmlString.Create（HttpUtility.HtmlDecode（Model.EmailBody））
@Html.DisplayNameFor（model=>model.Since）：
@DisplayFor（model=>model.Since）
@使用（Html.BeginForm（“ConfirmSend”、“systemgeneralnouncement”、FormMethod.Post））
{
@Html.AntiForgeryToken（）
@Html.HiddenFor（model=>model.systemgeneralanonounceId）
|
@ActionLink（“返回列表”、“索引”）
}
<div class="col-xs-12" style="text-align: center">
<p>
<div class="alert alert-success Loading">
<h2 class="title">General Announcement is Loading...</h2>
<br />
</div>
The selected general announcements are being uploaded...<br />
<div class="progress"> <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 0%;"></div> </div>
@Html.ActionLink("Return to the System General Announcement page.", "Index", "SystemGeneralAnnouncement")
</p>
<div id="success" style="display:none">
<div class="alert alert-success">
<h2 class="title">General Announcement Successfully Generated!</h2>
</div>
The selected general announcement has been successfully generated and will begin sending to the appropriate recipients within the next few minutes.<br />
@Html.ActionLink("Return to the System General Announcement page.", "Index", "SystemGeneralAnnouncement")
</div>
</div>
@section scripts{
<script>
$.ajax({
type: 'POST',
url: "ProgressUpload, systemGeneralAnnouncement",
data: {},
success: function (data) {
$(".Loading").hide();
$("#success").css("display","block");
},
xhr: function () {
var xhr = new window.XMLHttpRequest();
xhr.upload.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
}
}, false);
return xhr;
},
});
</script>
}
一般公告正在加载。。。
正在上载选定的一般公告…
@ActionLink（“返回系统一般公告页面”，“索引”，“系统一般公告”）
已成功生成一般公告！
所选的一般通告已成功生成，并将在几分钟内开始发送给相应的收件人。
@ActionLink（“返回系统一般公告页面”，“索引”，“系统一般公告”）
@节脚本{
$.ajax({
键入：“POST”，
url:“ProgressUpload，systemGeneralAnnouncement”，
数据：{}，
成功：功能（数据）{
$（“.Loading”）.hide（）；
$（“#success”）.css（“显示”、“块”）；
},
xhr：函数（）{
var xhr=new window.XMLHttpRequest（）；
xhr.upload.addEventListener（“进度”，函数（evt）{
if（evt.长度可计算）{
var percentComplete=evt.loaded/evt.total；
}
}，假）；
返回xhr；
},
});
}
我的问题是，我缺少什么来公开要上载的当前值？它应该来自事件侦听器，但不显示上载的任何进度 我建议使用signar向客户端更新进度数据。 假设您的上传数据是
IEnumerable<div class="col-xs-12" style="text-align: center">
<p>
<div class="alert alert-success Loading">
<h2 class="title">General Announcement is Loading...</h2>
<br />
</div>
The selected general announcements are being uploaded...<br />
<div class="progress"> <div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 0%;"></div> </div>
@Html.ActionLink("Return to the System General Announcement page.", "Index", "SystemGeneralAnnouncement")
</p>
<div id="success" style="display:none">
<div class="alert alert-success">
<h2 class="title">General Announcement Successfully Generated!</h2>
</div>
The selected general announcement has been successfully generated and will begin sending to the appropriate recipients within the next few minutes.<br />
@Html.ActionLink("Return to the System General Announcement page.", "Index", "SystemGeneralAnnouncement")
</div>
</div>
@section scripts{
<script>
$.ajax({
type: 'POST',
url: "ProgressUpload, systemGeneralAnnouncement",
data: {},
success: function (data) {
$(".Loading").hide();
$("#success").css("display","block");
},
xhr: function () {
var xhr = new window.XMLHttpRequest();
xhr.upload.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
}
}, false);
return xhr;
},
});
</script>
}