C# AngularJS控制器在post操作后未调用MVC控制器
我是一个Angularjs初学者,在代码中的某个地方被卡住了。我正在处理一个CRUD操作示例,当我更新视图上的值时,它会在数据库中成功更新,但除非重新加载页面,否则更新的值不会立即出现 代码如下: 查看-C# AngularJS控制器在post操作后未调用MVC控制器,c#,angularjs,asp.net-mvc,entity-framework,asp.net-mvc-4,C#,Angularjs,Asp.net Mvc,Entity Framework,Asp.net Mvc 4,我是一个Angularjs初学者,在代码中的某个地方被卡住了。我正在处理一个CRUD操作示例,当我更新视图上的值时,它会在数据库中成功更新,但除非重新加载页面,否则更新的值不会立即出现 代码如下: 查看- <h2>Customer Details</h2> <div ng-app="myApp"> <div ng-controller="myCtrl" ng-init="GetAllData()" class="divList">
<h2>Customer Details</h2>
<div ng-app="myApp">
<div ng-controller="myCtrl" ng-init="GetAllData()" class="divList">
<p class="divHead">List of Customers</p>
<table cellpadding="12" class="table table-bordered table-hover">
<tr>
<td>
<b>ID</b>
</td>
<td>
<b>Name</b>
</td>
<td>
<b>City</b>
</td>
<td>
<b>Contact</b>
</td>
<td>
<b>EmailID</b>
</td>
<td>
<b>Actions</b>
</td>
</tr>
<tr ng-repeat="Emp in employees">
<td>
{{Emp.CustomerID}}
</td>
<td>
{{Emp.Name}}
</td>
<td>
{{Emp.Address}}
</td>
<td>
{{Emp.Mobileno}}
</td>
<td>
{{Emp.EmailID}}
</td>
@*<td>
{{Emp.Mobileno}}
</td>*@
<td>
<input type="button" class="btn btn-warning" value="Update" ng-click="UpdateEmp(Emp)" />
<input type="button" class="btn btn-danger" value="Delete" ng-click="DeleteEmp(Emp)" />
</td>
</tr>
</table>
<div class="form-horizontal" role="form">
<div class="container">
<div class="row">
<h2>
<span id="spn">Add New Customer</span>
</h2>
</div>
<div class="row">
<div class="col-sm-6 col-lg-4">
<div class="form-group">
<label class="col-md-4 control-label">Name:</label>
<div class="col-md-8">
<input type="text" class="form-control" id="inputEmail" placeholder="Name" ng-model="EmpName" required>
</div>
</div>
</div>
<div class="col-sm-6 col-lg-4">
<div class="form-group">
<label class="col-md-4 control-label">City:</label>
<div class="col-md-8">
<input type="text" class="form-control" id="inputPassword" placeholder="City" ng-model="EmpCity">
</div>
</div>
</div>
<div class="col-sm-6 col-lg-4">
<div class="form-group">
<label class="col-md-4 control-label">Contact:</label>
<div class="col-md-8">
<input type="text" class="form-control" id="inputLabel3" placeholder="Contact" ng-model="Contact">
</div>
</div>
</div>
<div class="col-sm-6 col-lg-4">
<div class="form-group">
<label class="col-md-4 control-label">Email ID:</label>
<div class="col-md-8">
<input type="text" class="form-control" id="inputLabel3" placeholder="Email ID" ng-model="Email">
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-sm-6 col-lg-4">
<input type="button" id="btnSave" class="form-control btn-space" value="Submit" ng-click="InsertData()" />
</div>
</div>
</div>
</div>
</div>
@Html.Hidden("CustomerID")
</div>
若要在更新成功时更新表中的数据,需要从表中获取对象,然后在方法中更新对象 例如: JS
app.controller('myCtrl', myCtrl)
myCtrl.$inject = ['$scope','$http'];
function myCtrl($scope, $http){
var vm = this;
vm.employee = {
id:'',
name:'',
age:''
}
vm.employees = [];
vm.update = update;
vm.preupdate = preupdate;
function init(){
for(var i = 0; i < 10; i ++){
vm.employees.push({id:i, name:'employee '+i, age: i});
}
}
init();
function preupdate(emp){
vm.employee.id = emp.id;
vm.employee.name = emp.name;
vm.employee.age = emp.age;
}
function update(){
$http({
method:'POST',
data: JSON.stringify(vm.employee),
url: 'urlFromControllerMVC',
headers:{
'Content-Type': 'application/json'
}
}).then(success);
function success(response){
var obj = vm.employees.filter(x => x.id == emp.id); //Get your object from your array
obj.name = vm.employee.name;
obj.age = vm.employee.age;
vm.employee = {
id:'',
name:'',
age:''
}
//after this your view is update
}
}
//If you use function add just push your return object from controller MVC in your array of employees.
}
app.controller('myCtrl',myCtrl)
myCtrl.$inject=['$scope','$http'];
函数myCtrl($scope$http){
var vm=这个;
vm.employee={
id:“”,
名称:“”,
年龄:''
}
vm.employees=[];
vm.update=更新;
vm.preupdate=preupdate;
函数init(){
对于(变量i=0;i<10;i++){
push({id:i,姓名:'employee'+i,年龄:i});
}
}
init();
功能预更新(emp){
vm.employee.id=emp.id;
vm.employee.name=emp.name;
vm.employee.age=emp.age;
}
函数更新(){
$http({
方法:'POST',
数据:JSON.stringify(vm.employee),
url:'urlFromControllerMVC',
标题:{
“内容类型”:“应用程序/json”
}
}).然后(成功);
功能成功(响应){
var obj=vm.employees.filter(x=>x.id==emp.id);//从数组中获取对象
obj.name=vm.employee.name;
obj.age=vm.employee.age;
vm.employee={
id:“”,
名称:“”,
年龄:''
}
//在此之后,您的视图将更新
}
}
//如果使用函数add,只需从员工数组中的controllermvc推送返回对象。
}
HTML
<div ng-controller="myCtrl as vm">
<form novalidate ng-submit="vm.update()"> //or ng-click in your button
//form for update your data
</form>
<table>
<tr>
<td>id</td>
<td>name</td>
<td>age</td>
<td></td>
<tr>
<tr ng-repeat="emp in vm.employees">
<td>{{emp.id}}</td>
<td>{{emp.name}}</td>
<td>{{emp.age}}</td>
<td><button ng-click="vm.preupdate(emp)">Update</button></td> //
</tr>
</table>
</div>
//或者点击你的按钮
//用于更新数据的表单
身份证件
名称
年龄
{{emp.id}
{{emp.name}
{{emp.age}
更新//
当crud操作完成时..应重新初始化对象
[HttpPost]
public JsonResult addProduct(ProductModels input)
{
Db.Products.Add(input);
Db.SaveChanges();
var products = Db.Products.ToList();
return Json(products, JsonRequestBehavior.AllowGet);
}
然后像这样获取控制器函数中的产品数据
$scope.addProduct = function(input)
{
console.log(input);
$.ajax({
type: "POST",
url: "/Angular/addProduct",
dataType: "json",
processData: false,
contentType: "application/json; charset=utf-8",
data: JSON.stringify({
ProductCode: input.ProductCode,
Productname: input.Productname,
Price: input.Price
}),
success: function (resp) {
console.log(resp);
$scope.$apply(function () {
$scope.products = resp;
$scope.product = null;
});
}
});
}
我希望它能起作用。。
我解决了这个问题,只需在
角码-
不打电话?你怎么知道的?单击按钮时是否有js错误?我已在MVC控制器操作-Get_AllEmployee()上放置了一个断点,以便知道何时调用它;更新记录后未命中Get_AllEmployee()的断点@mohamed ahmeduse
.success()
而不是。then()
不利于在数据库中添加产品时刷新所有数据。只需将新项目推送到阵列上,您的视图就会更新。如果服务器返回错误,请在承诺中使用.catch(),或者在httpInterceptor中使用ResponseError。。。
[HttpPost]
public JsonResult addProduct(ProductModels input)
{
Db.Products.Add(input);
Db.SaveChanges();
var products = Db.Products.ToList();
return Json(products, JsonRequestBehavior.AllowGet);
}
$scope.addProduct = function(input)
{
console.log(input);
$.ajax({
type: "POST",
url: "/Angular/addProduct",
dataType: "json",
processData: false,
contentType: "application/json; charset=utf-8",
data: JSON.stringify({
ProductCode: input.ProductCode,
Productname: input.Productname,
Price: input.Price
}),
success: function (resp) {
console.log(resp);
$scope.$apply(function () {
$scope.products = resp;
$scope.product = null;
});
}
});
}
$scope.GetAllData = function () {
debugger;
$http({
method: "post",
url: "http://localhost:12345/Employee/Get_AllEmployee"
}).then(function (response) {
$scope.employees = response.data;
//angular.extend($scope.employees, response.data);
//$scope.$apply();
}, function () {
alert("Error Occured!");
})
};