Could you please help me, To get multiple table data as list from view controller using view model. Below is my Code Its Working till passing multiple model to View. I am not able to get those updated values from View in controller Action Method to Update the data.
I have Two Models.
public class Teacher
{
public int TeacherId { get; set; }
public string Code { get; set; }
public string Name { get; set; }
}
public class Student
{
public int StudentId { get; set; }
public string Code { get; set; }
public string Name { get; set; }
}
Pass those Model in a model as list
public class ViewModel
{
public IEnumerable<Teacher> Teachers { get; set; }
public IEnumerable<Student> Students { get; set; }
}
In Controller, I have define the View Model
[HttpGet]
public ActionResult IndexViewModel()
{
ViewModel mymodel = new ViewModel();
mymodel.Teachers = GetTeachers();
mymodel.Students = GetStudents();
return View(mymodel);
}
In My View, I have all the values correctly but when I change the value same submit. the updated data is not able to get on action method. Please Help me on this.
@using MultipleModelInOneView;
@model ViewModel
@{
ViewBag.Title = "Home Page";
}
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
<table>
<tr>
<th>Id</th>
<th>Code</th>
<th>Name</th>
</tr>
@foreach (Teacher teacher in Model.Teachers)
{
<tr>
<td>@Html.DisplayFor(model => @teacher.TeacherId)</td>
<td>@Html.EditorFor(model => @teacher.Code)</td>
<td>@Html.EditorFor(model => @teacher.Name)</td>
</tr>
}
</table>
<p><b>Student List</b></p>
<table>
<tr>
<th>Id</th>
<th>Code</th>
<th>Name</th>
<th>Enrollment No</th>
</tr>
@foreach (Student student in Model.Students)
{
<tr>
<td>@Html.DisplayFor(model => @student.StudentId)</td>
<td>@Html.EditorFor(model => @student.Code)</td>
<td>@Html.EditorFor(model => @student.Name)</td>
</tr>
}
</table>
<input type="submit" value="Save" class="btn btn-primary" />
}
Here I am Not able to Get List from View
[HttpPost]
public ActionResult IndexViewModel("Here I'm not able to Get List from View")
{
return View();
}
CodePudding user response:
try to replace foreach loop by for loop
@for (var i=0; i < Model.Teachers.Count; i =1)
{
<tr>
<td>@Html.DisplayFor(model =>model.Teachers[i].TeacherId)</td>
<td>@Html.EditorFor(model => model.Teachers[i].Code)</td>
<td>@Html.EditorFor(model => model.Teachers[i].Name)</td>
</tr>
}
@for (var i=0; i < Model.Students.Count; i =1)
{
<tr>
<td>@Html.DisplayFor(model => model.Students[i].StudentId)</td>
<td>@Html.EditorFor(model => model.Students[i].Code)</td>
<td>@Html.EditorFor(model => model.Students[i].Name)</td>
</tr>
}
and the controller action
public ActionResult IndexViewModel(ViewModel viewModel)
{
....
}