C# 使用IPagedList在视图中提交表单
在视图中,我有以下代码:C# 使用IPagedList在视图中提交表单,c#,linq,asp.net-mvc-4,C#,Linq,Asp.net Mvc 4,在视图中,我有以下代码: `@model IPagedList<WebApplication3.Models.TopicAndDetails> ... @foreach (var item in Model) {... @Html.DisplayFor(modelItem => item.Topic) ... }... @using (Html.BeginForm("Index", "QuestionAndAnswer", FormMethod.Post)) {
`@model IPagedList<WebApplication3.Models.TopicAndDetails>
...
@foreach (var item in Model)
{...
@Html.DisplayFor(modelItem => item.Topic)
...
}...
@using (Html.BeginForm("Index", "QuestionAndAnswer", FormMethod.Post))
{
@Html.TextBoxFor(model => model.Topic) // I want to use it but I can't
<button type="submit" class="btn btn-default" value="submit">Submit</button>
}`
`@model IPagedList
...
@foreach(模型中的var项目)
{...
@DisplayFor(modelItem=>item.Topic)
...
}...
@使用(Html.BeginForm(“Index”,“QuestionAndAnswer”,FormMethod.Post))
{
@Html.TextBoxFor(model=>model.Topic)//我想使用它,但我不能
提交
}`
如何提交表单以创建新主题,但我仍然使用IPagedList。谢谢你的帮助 嗯,这有点胡闹,但这是最简单的:
`@model IPagedList<WebApplication3.Models.TopicAndDetails>
@{ string topic = ""; }
...
@foreach (var item in Model)
{...
@Html.DisplayFor(modelItem => item.Topic)
topic = item.Topic;
...
}..
@using (Html.BeginForm("Index", "QuestionAndAnswer", FormMethod.Post))
{
@Html.TextBoxFor(model => topic)
<button type="submit" class="btn btn-default" value="submit">Submit</button>
}`
我把它作为您的代码,但模型仍然是IPagedList的参数,并且当控制器中的提交模型为空时。在控制器中,我有以下代码“[HttpPost]公共操作结果索引(TopicAndDetails模型){TopicAndDetails主题=新TopicAndDetails();topic.topic=模型.topic;db.Topics.Add(topic);db.SaveChanges();返回重定向到操作(“索引”);”`
[HttpPost]
public ActionResult Index( string topic)
{
TopicAndDetails newtopic = new TopicAndDetails();
newtopic.Topic = topic;
db.Topics.Add(newtopic);
db.SaveChanges();
return RedirectToAction("Index");
}