Asp.net mvc 5 所选组合框的值未添加到viewmodel
我在剑道上使用MVC。单击剑道网格的“添加”按钮将打开一个弹出对话框。模式对话框包含一个包含两个组合框的字段。当用户在这些字段中输入值并单击“添加”按钮时,我正在填充Viewmodel。我使用GetLanguages()和GetCountries()操作方法填充组合框。因此,这两个组合框不使用viewmodel填充。我已在视图中设置viewmodel的模型字段。例如Asp.net mvc 5 所选组合框的值未添加到viewmodel,asp.net-mvc-5,kendo-grid,Asp.net Mvc 5,Kendo Grid,我在剑道上使用MVC。单击剑道网格的“添加”按钮将打开一个弹出对话框。模式对话框包含一个包含两个组合框的字段。当用户在这些字段中输入值并单击“添加”按钮时,我正在填充Viewmodel。我使用GetLanguages()和GetCountries()操作方法填充组合框。因此,这两个组合框不使用viewmodel填充。我已在视图中设置viewmodel的模型字段。例如 @using System.Collections @model CC.GRP.MCRequest.ViewModels.User
@using System.Collections
@model CC.GRP.MCRequest.ViewModels.UserProfileViewModel
@(Html.Kendo().ComboBoxFor(model => model.DefaultLanguageCode)
选择组合框不会向viewmodel添加值。如果我做错了什么,有人能告诉我吗。我是否需要在视图模型中添加国家/地区的列表集合,并在将其发送到视图之前在控制器中填充视图模型中的集合。如果是这样的话,我该怎么做呢。下面是我的代码
<div class="editor-label">
@Html.LabelFor(model => model.Forename)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Forename)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.Surname)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Surname)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.PreferredName)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.PreferredName)
</div>
<div class="editor-field">
@(Html.Kendo().ComboBoxFor(model => model.DefaultLanguageCode)
// .Name("LanguageCode")
.HtmlAttributes(new { style = "width:300px" })
.DataTextField("LanguageName")
.DataValueField("DefaultLanguageCode")
.DataSource(dataSource => dataSource
.Read(read => read.Action("GetLanguages", "Admin").Type(HttpVerbs.Post))
)
)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.DefaultCountryCode)
</div>
<div class="editor-field">
@(Html.Kendo().ComboBoxFor(model => model.DefaultCountryCode)
// .Name("CountryCode")
.HtmlAttributes(new { style = "width:300px" })
.DataTextField("Country")
.DataValueField("DefaultCountryCode")
.DataSource(dataSource => dataSource
.Read(read => read.Action("GetCountries", "Admin").Type(HttpVerbs.Post))
)
)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.TimeZoneName)
</div>
<div class="editor-field">
@(Html.Kendo().ComboBoxFor(model => model.TimeZoneName)
// .Name("TimeZoneID")
.HtmlAttributes(new { style = "width:300px" })
.DataTextField("TimeZoneName")
.DataValueField("TimeZoneID")
.DataSource(dataSource => dataSource
.Read(read => read.Action("GetTimeZones", "Admin").Type(HttpVerbs.Post))
)
)
</div>
屏幕
尝试删除您在组合框上输入的名称,这可能会阻止DefaultLanguageCode正确映射到viewModel属性,因为您调用了组合框LanguageDD
@(Html.Kendo().ComboBoxFor(model=>model.DefaultLanguageCode)
//.Name(“LanguageDD”)数据源
.Read(Read=>Read.Action(“GetLanguages”,“Admin”).Type(HttpVerbs.Post))
)
)
您是否尝试添加断点并单步执行代码,以查看您的进展情况?你的控制器方法有效吗?get action方法都很有效。当“添加”对话框打开时,将填充组合框。只有在保存异常发生时,我才会收到null异常错误,表示语言和国家/地区字段为null Ha!你可以发布你的保存操作和异常消息吗?我已经更新了我的发布操作。错误消息是语言和国家为空,我在postGood Catch中也添加了repository方法!这就是Telerik推荐的修复方法。我已经按照您的建议做了,它添加到了网格中,但是添加的是代码。我需要显示组合框的值。我已经更新了post.DataValueField(“LanguageName”)@Tom你能展示一下你的网格声明吗?如果将列绑定到DefaultLanguageCode,是否使用简单的column.bound(m=>m.DefaultLanguageCode)
或column.ForeignKey(“DefaultLanguageCode”,LanguagesInASelectList)
public ActionResult GetLanguages()
{
return Json(MCRHelper.GetLanguages(), JsonRequestBehavior.AllowGet);
}
public ActionResult GetCountries()
{
return Json(MCRHelper.GetCountries(), JsonRequestBehavior.AllowGet);
}
public ActionResult UserProfile_Read([DataSourceRequest]DataSourceRequest request)
{
var users = mcrRepository.GetUserProfileById(0).AsQueryable().ProjectTo<UserProfileViewModel>();
var response = users.ToDataSourceResult(request);
return Json(response, JsonRequestBehavior.AllowGet);
}
[HttpPost]
public ActionResult UserProfile_Create([DataSourceRequest] DataSourceRequest request, UserProfileViewModel userVM)
{
if (!ModelState.IsValid)
{
return null;
}
if (userVM.UserProfileID == 0)
{
mcrRepository.CreateUserProfile(Mapper.Map<UserProfile>(userVM));
return Json(mcrRepository.GetTeams().ToDataSourceResult(request));
}
else
{
mcrRepository.UpdateUserProfile(Mapper.Map<UserProfile>(userVM));
}
return null;
}
public void CreateUserProfile(UserProfile userProfile)
{
if (MCRHelper.UserValidate() == 1)
{
var userProfiles = db.spInsertUserProfile(userProfile.EmployeeID,
userProfile.Forename,
userProfile.Surname,
userProfile.PreferredName,
userProfile.DefaultLanguageCode,
userProfile.DefaultCountryCode,
userProfile.TimeZoneID,
userProfile.Domain,
userProfile.NetworkID,
userProfile.EmailAddress,
true,
MCRHelper.GetShortname());
}
}
@(Html.Kendo().ComboBoxFor(model => model.DefaultLanguageCode)
//.Name("LanguageDD") <-- here
.HtmlAttributes(new { style = "width:300px" })
.DataTextField("LanguageName")
.DataValueField("LanguageCode")
.DataSource(dataSource => dataSource
.Read(read => read.Action("GetLanguages", "Admin").Type(HttpVerbs.Post))
)
)