Redirect Url After Form Submission

debugcn Published at Dev

ChaseHardin

I have a basic form that allows a user to create an Employee. Once the user selects the submit button, the page should be redirected to a summary page. This summary page needs to show the details that were added on the Employee form.

For example, I have a form that looks like this:

Once the user selects Submit, it should then redirect the user to the following page:

The issue that I'm running into is getting that redirect url. My url looks something like: http://www.localhost.com/Employee/1234/ The 1234 represents the Employee id. How can I pull that Employee Id?

My Current HTML

<button type="submit" name="saveButton" id="saveBtn" class="btn btn-primary">Submit</button>

Please note that I am using .NET, so am open to using Razor Syntax.

Update on Story

After reading all of your comments, I went and dug deeper into my problem. This is what I found.

There is a RouteConfig.cs file with the following route:

routes.MapRoute(
  name: "ListEmployee",
  url: "Employee/{employeeId}",
  defaults: new { controller = "Employee", action = "List"},
  constraints: new {employeeId = "\\d+"}
)

Because I have this route, I decided to modify this controller method to utilize it:

[HttpPost]
public ActionResult AddEmployee(ViewModel<EmployeeModel> model)
{
  // logic here

  return RedirectToAction("ListEmployee", new { employeeId = model.Body.Employee.Id, fromEmployeeProject = true });
}

Issue: This completely crashes. Stating: No route in the route table matches the supplied values. Any ideas on what I am doing wrong?

trashr0x

If you're using Entity Framework (EF), it follows up each INSERT statement with SCOPE_IDENTITY() when auto-generated ids are used.

SCOPE_IDENTITY returns the last identity value inserted into an identity column in the same scope. (MSDN)

As such, if your Employee ID is an auto-generated column in the database, you should be able to get the ID right after saving your changes:

[HttpPost]
public ActionResult Add(Employee employee)
{
    using (var context = new MyContext())
    {
        // add the employee object
        context.Employees.Add(employee);
        // save changes
        context.SaveChanges();
        // the id will be available here
        int employeeId = employee.Id;   
        // ..so perform your Redirect to the appropriate action, _
        // and pass employee.Id as a parameter to the action       
        return RedirectToAction("Index", "Employee", new { id = employeeId });            
    }
}

Obviously you haven't provided us with your controller and action names so make sure that you replace them with the appropriate values.

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edited at2021-07-12

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