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而不是id在選擇列表中使用名字+姓氏+電子郵件asp.net mvc

[英]instead of id use firstname+lastname+email in select list asp.net mvc

我有兩個字段的反饋表:project_name和伙伴的lastName。 第一個字段是正確的(project_name),但是第二個字段的lastName是我想要的firstName + lastName + email,該怎么做? 目前只有姓氏,但我可以為不同的伙伴使用多個姓氏。 以下是我如何創建此表單的代碼示例。

在我的feedbackController的創建方法中:

  ViewBag.project_id = new SelectList(db.Projects.Where(p => p.project_id == project_id), "project_id", "name");
  ViewBag.Id = new SelectList(db.Users_projects.Where(p => p.project_id == project_id && p.project_role == "partner").Select(up => new { up.AspNetUsers.FirstName,up.AspNetUsers.LastName, up.AspNetUsers.Id }), "Id", "LastName");

這是我的觀點,如何呈現這種形式:

<div class="form-horizontal">
    <h4></h4>
    <hr />
    @Html.ValidationSummary(true, "", new { @class = "text-danger" })
    <div class="form-group">
        @Html.LabelFor(model => model.project_id, "Project: ", htmlAttributes: new { @class = "control-label col-md-2" })
        <div class="col-md-10">
            @Html.DropDownList("project_id", null, htmlAttributes: new { @class = "form-control" })
            @Html.ValidationMessageFor(model => model.project_id, "", new { @class = "text-danger" })
        </div>
    </div>

    <div class="form-group">
        @Html.LabelFor(model => model.Id, " For partner : ", htmlAttributes: new { @class = "control-label col-md-2" })
        <div class="col-md-10">
            @Html.DropDownList("Id", null, htmlAttributes: new { @class = "form-control" })
            @Html.ValidationMessageFor(model => model.Id, "", new { @class = "text-danger" })
        </div>
    </div>

    <div class="form-group">
        <div class="col-md-offset-2 col-md-10">
            <input type="submit" value="Create" class="btn btn-default" />
        </div>
    </div>
</div>
ViewBag.Id =db.Users_projects
   .Where(p => p.project_id == project_id &&p.project_role == "partner")
   .Select(up =>
   new SelectListItem {
                     // You may append User email also here
                     Text= up.AspNetUsers.FirstName +" "+up.AspNetUsers.LastName,
                     Value = up.AspNetUsers.Id.ToString() })
   .ToList();

您可以不使用諸如ViewBag之類的動態內容,而使代碼更易讀/可維護,而切換到強類型化的viewmodel,以便在操作方法和視圖之間傳遞數據。

public class AssignProjectOwnerShipVm
{
  public int SelectedPartner {set;get;}
  public int SelectedProject {set;get;}
  public List<SelectListItem> Projects {set;get;}
  public List<SelectListItem> Partners {set;get;}
}

並在您的GET操作中

pubilc ActionResult AssignProject()
{
  var vm = new AssignProjectOwnerShipVm();
  vm.Projects = db.Projects.Select(s=>new SelectListItem
                      {
                        Value = s.ProjectId.ToString(),
                        Text = s.ProjectName 
                      }).ToList();
  vm.Partners=db.Users_projects
       .Where(p => p.project_id == project_id &&p.project_role == "partner")
       .Select(up =>
       new SelectListItem {
                     // You may append User email also here
                     Text= up.AspNetUsers.FirstName +" "+up.AspNetUsers.LastName,
                     Value = up.AspNetUsers.Id.ToString() })
   .ToList();

 return View(vm);
}

還有你的看法

@model AssignProjectOwnerShipVm
@using(Html.BeginForm())
{
  @Html.DrowpDownListFor(s=>s.SelectedProject,Model.Projects,"Select one")
  @Html.DrowpDownListFor(s=>s.SelectedPartner,Model.Partners,"Select one")
<input type="submit" />

}

還有你的HttpPost

[HttpPost]
public ActionResult AssignProjecct(AssignProjectOWnerShipVm model)
{
  // check for model.SelectedParter and model.SelectedProject
 // to do  :Save and redirect
}

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