return View("CreateEmployee", vm);

最新推荐文章于 2023-12-01 14:25:58 发布

Hustudent20080101

最新推荐文章于 2023-12-01 14:25:58 发布

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本文介绍了一个使用ASP.NET MVC实现的简单员工信息管理系统。该系统包括创建员工视图、处理表单提交以及业务逻辑层的实现。文章展示了如何设置模型验证及视图交互。

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        public ActionResult AddNew()
         {
             CreateEmployeeViewModel vm = new CreateEmployeeViewModel();
             vm.FirstName = "FirstName";
             vm.LastName = "LastName";
             vm.Salary = "0";
             return View("CreateEmployee", vm);
             //return View("CreateEmployee");
         }

        public ActionResult SaveEmployee(Employee e, string BtnSubmit)
        {
            switch (BtnSubmit)
            {
                case "Save Employee":
                     if (ModelState.IsValid)
                     {
                         EmployeeBusinessLayer empBal = new EmployeeBusinessLayer();
                         empBal.SaveEmployee(e);
                         return RedirectToAction("GetEmployeeListView");
                     }
                     else
                     {
                         CreateEmployeeViewModel vm = new CreateEmployeeViewModel();
                         vm.FirstName = e.FirstName;
                         vm.LastName = e.LastName;
                         if (e.Salary!=null)
                         {
                             vm.Salary = e.Salary.ToString();
                         }
                         else
                         {
                             vm.Salary = ModelState["Salary"].Value.AttemptedValue;
                         }
                         return View("CreateEmployee", vm); // Day 4 Change - Passing e here
                     }

                        case "Cancel":
                            return RedirectToAction("GetEmployeeListView");
                    }
                    return new EmptyResult();
                }

    public class CreateEmployeeViewModel
    {
        public string FirstName { get; set; }
        public string LastName { get; set; }
        public string Salary { get; set; }
    }

    public class Employee
    {
       [Key]
        public int EmployeeId { get; set; }

        [FirstNameValidation]
        public string FirstName { get; set; }
        [StringLength(5,ErrorMessage="Last Name length should not be greater than 5")]
        public string LastName { get; set; }
        [Required(ErrorMessage = "the Salary field is required!")]
        public int Salary { get; set; }
    }

@using MvcAppLesson2.Models
@model CreateEmployeeViewModel

@{
Layout = null;
}

<!DOCTYPE html>

<html>
    <head>
      <meta name="viewport" content="width=device-width" />
      <title>CreateEmployee</title>
        <script>
            function ResetForm() {
                document.getElementById('TxtFName').value = "";
                document.getElementById('TxtLName').value = "";
                document.getElementById('TxtSalary').value = "";
            }
        </script>

    </head>
    <body>
    <hr />
    SaveEmployee:<br />
      <div>
         <form action="/Employee/SaveEmployee" method="post">
   <table>
      <tr>
  <td>
     First Name:
  </td>
  <td>
     <input type="text" id="TxtFName" name="FirstName" value="@Model.FirstName" />
  </td>
      </tr>
      <tr>
  <td colspan="2" align="right">
    @Html.ValidationMessage("FirstName")
  </td>
      </tr>
      <tr>
  <td>
    Last Name:
  </td>
  <td>
     <input type="text" id="TxtLName" name="LastName" value="@Model.LastName" />
  </td>
      </tr>
      <tr>
  <td colspan="2" align="right">
     @Html.ValidationMessage("LastName")
  </td>
      </tr>

      <tr>
  <td>
    Salary:
  </td>
  <td>
     <input type="text" id="TxtSalary" name="Salary" value="@Model.Salary" />
  </td>
      </tr>
      <tr>
  <td colspan="2" align="right">
    @Html.ValidationMessage("Salary")
  </td>
      </tr>

      <tr>
  <td colspan="2">
     <input type="submit" name="BtnSubmit" value="Save Employee" />
     <input type="submit" name="BtnSubmit" value="Cancel" />
     <input type="button" name="BtnReset" value="Reset" onclick="ResetForm();" />
  </td>
      </tr>
   </table>
         </form>
      </div>
      <hr />

</body>
</html>