Javascript 如何使用ajax jquery asp.net mvc访问和显示数据库中的数据
我试图从数据库中获取数据,并使用ajax和jquery将其显示在页面中。我是这个平台的新手,有人能帮我吗 型号: 控制器:Javascript 如何使用ajax jquery asp.net mvc访问和显示数据库中的数据,javascript,jquery,ajax,asp.net-mvc,Javascript,Jquery,Ajax,Asp.net Mvc,我试图从数据库中获取数据,并使用ajax和jquery将其显示在页面中。我是这个平台的新手,有人能帮我吗 型号: 控制器: private static readonly string connectionString = ConfigurationManager.ConnectionStrings["ConnStringDb1"].ConnectionString; public ActionResult GetUser() { return View(
private static readonly string connectionString = ConfigurationManager.ConnectionStrings["ConnStringDb1"].ConnectionString;
public ActionResult GetUser()
{
return View();
}
public JsonResult GetAllUser(int EmpId)
{
List<EmployeeModel> employee = new List<EmployeeModel>();
string query = string.Format("Select * From Employee", EmpId);
SqlConnection connection = new SqlConnection(connectionString);
{
using (SqlCommand cmd = new SqlCommand(query, connection))
{
connection.Open();
SqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
employee.Add(
new EmployeeModel
{
EmpId = int.Parse(reader["EmpId"].ToString()),
EmpName = reader.GetValue(0).ToString(),
Age = int.Parse(reader["Age"].ToString()),
Salary = int.Parse(reader["Salary"].ToString())
}
);
}
}
return Json(employee, JsonRequestBehavior.AllowGet);
}
}
阿贾克斯:
@{
ViewBag.Title = "Home Page";
var EmployeeModel = (List<second_day.Models.EmployeeModel>)Model;
}
<div id="id"></div>
<div id="firstName"></div>
<div id="lastName"></div>
<p id="getEmployee">Get Employee</p>
<script src="~/Scripts/jquery-1.10.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$('p#getEmployee').click(function () {
GetEmployeeUsingAjax();
});
});
function GetEmployeeUsingAjax() {
$.ajax({
type: 'GET',
url: '@Url.Action("GetAllUser")',
data:{"EmpId":EmpId},
dataType: 'json',
success: function (data) {
console.log(data);
//$('#id').text(emp.employee.Id);
//$('#firstName').text(emp.employee.FirstName);
//$('#lastName').text(emp.employee.LastName);
},
error: function (emp) {
alert('error');
}
});
}
在这里,我需要在数据成功时获取数据,如果没有,则需要通过错误获取数据
我是这个平台的新手,有人能帮我吗请检查以下代码:
function GetEmployeeUsingAjax() {
var EmpId = 2;
$.ajax({
type: 'GET',
url: '@Url.Action("GetAllUser")',
data: { "EmpId": EmpId },
dataType: 'json',
success: function (data) {
alert(data);
//$('#id').text(emp.employee.Id);
//$('#firstName').text(emp.employee.FirstName);
//$('#lastName').text(emp.employee.LastName);
},
error: function (emp) {
alert('error');
}
});
}
[HttpGet]
public JsonResult GetAllUser(int EmpId)
{
// your code
}
plus string.Format("Select * From Employee where empid = {0} ",EmpId)
行动应是:
[HttpGet]
public JsonResult GetAllUser(int EmpId)
{
}
快乐 你忘了javascript的人,我希望你现在编辑的问题可能是重复的No@MuhammedShevilKP我没有通过viewAdd javascript代码请。@fakeism在控制器中添加了它直到调试时GetAllUser没有被击中这就是我认为对我有效的问题。你的代码做了更改,它击中了控制器。好啊您在浏览器控制台中看到了什么错误?@SundarStalin您的控制器名称是什么?@SeM EmployeeControllerin ajax调用更改url:“@url.ActionGetAllUser”,此部分改为-url:“@url.ActionGetAllUser,EmployeeController”,
var var EmpId = 2;
var abc = {
"EmpId": EmpId
};
$.ajax(
{
url: '/ControllerName/GetAllUser/',
type: "GET",
async: false,
dataType: "json",
contentType: "application/json;",
data: JSON.stringify(abc),
success: function (result) {
alert(data);
}
});
[HttpGet]
public JsonResult GetAllUser(int EmpId)
{
}