How do you handle multiple submit buttons in asp net mvc framework

Handling Submit Buttons in ASP.NET MVC Framework

When working with ASP.NET MVC framework, you may come situations where you need to handle multiple submit buttons in a form. This can be useful when you have a form with different or when you want to perform different based on the button clicked by the user.

To handle multiple submit buttons in ASP.NET MVC, you can make use of the name attribute of the button element. By each button a unique name, you can differentiate between them in the controller method.

Let's consider an example where we have a form with two submit buttons: “Save” and “Delete”. We want to perform different actions based on button is clicked.


@using (Html.("HandleButtons", "Home", FormMethod.Post))
{
    
    
}

In the above code, we have used the Html.BeginForm helper method to create a form that will post to the “HandleButtons” action method in the “Home” controller. We have given each button a unique name: “saveButton” and “deleteButton”.

Now, let's see how we can handle these buttons in the controller action method.


[HttpPost]
public ActionResult HandleButtons(string saveButton, string deleteButton)
{
    if (!string.IsNullOrEmpty(saveButton))
    {
        // Save button clicked
        // Perform save 
    }
    else if (!string.IsNullOrEmpty(deleteButton))
    {
        // Delete button clicked
        // Perform delete operation
    }
    
    return RedirectToAction("Index");
}

In the above code, we have decorated the action method with the [HttpPost] attribute to indicate that it should be invoked when the form is submitted. The action method takes two string : saveButton and deleteButton.

Inside the action method, we check if either of the parameters is not null or empty. This indicates that the corresponding button was clicked. We can then perform the desired operations based on the button clicked.

For example, if the “Save” button was clicked, we can perform the save operation. If the “Delete” button was clicked, we can perform the delete operation.

Finally, we redirect the user to the “Index” action method, which can be the landing page or any other desired page.

By following this approach, you can easily handle multiple submit buttons in ASP.NET MVC framework and perform different actions based on the button clicked by the user.

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