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Handling Multiple submit button in asp.net mvc?

Pravesh Singh 2682 18 Nov 2014

Is there some easy way to handle multiple submit buttons from the same form? Example:

<% Html.BeginForm("MyAction", "MyController", FormMethod.Post); %>

<input type="submit" value="Send" />

<input type="submit" value="Cancel" />

<% Html.EndForm(); %>

Any idea how to do this in ASP.NET Framework Beta? All examples I've googled for have single buttons in them.

1 Answers

Royce Roy 18 Nov 2014

Here is a mostly clean attribute-based solution to the multiple submit button issue based heavily on the post and comments from Maartin Balliauw.

[AttributeUsage(AttributeTargets.Method, AllowMultiple = false,
Inherited = true)]
public class MultipleButtonAttribute : ActionNameSelectorAttribute
{
    public string Name{ get; set; }
    public string Argument{ get; set; }
    public override bool IsValidName(ControllerContext controllerContext, string actionName, MethodInfo
methodInfo)
    {
        var isValidName = false;
        var keyValue =string.Format("{0}:{1}", Name, Argument);
        var value =controllerContext.Controller.ValueProvider.GetValue(keyValue);
 
        if (value != null)
        {
           
controllerContext.Controller.ControllerContext.RouteData.Values[Name] = Argument;
           
isValidName = true;
        }
        return isValidName;
    }
}

razor:

<form action="" method="post">
 <input type="submit"
value="Save" name="action:Save" />
 <input type="submit"
value="Cancel" name="action:Cancel" />
</form>

and controller:

[HttpPost]
[MultipleButton(Name = "action", Argument = "Save")]
public ActionResult Save(MessageModel mm) { ... }
[HttpPost]
[MultipleButton(Name = "action", Argument = "Cancel")]
public ActionResult Cancel(MessageModel mm) { ... }

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