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  • ASP.NET MVC : Form Submission using Enter Key via jQuery

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    ASP.NET MVC : Submit Form using Enter Key

     

    Sometimes there is a scenario or requirement of posting the form on pressing the "Enter" key in asp.net mvc. This functionality can be achieved via jQuery in MVC.

     

    Create a "HomeController" with an action method "Index_submit()"

     

    using System.Web.Mvc;
    
    namespace Demo.Controllers
    {
        public class HomeController : Controller
        {
            public ActionResult Index_submit()     //Get
            {
                return View();
            }
    
            [HttpPost]
            public ActionResult Index_submit(FormCollection collection)   //Post
            {
                string name = Request.Form["name"];
                return View();
            }
    	}
    }	

     

    Create a view corresponding to "Index_submit()" action method which contains a form with a textbox and also contains functionality for posting this form on pressing "Enter" key.

     

    
    @{
        Layout = null;
    }
    
    <!DOCTYPE html>
    
    <html>
    <head>
        <meta name="viewport" content="width=device-width" />
        <title>Index_submit</title>
    </head>
    <body>
        @using (Html.BeginForm("Index_submit", "Home", FormMethod.Post, new { DefaultButton = "submit_btn", id = "Formbeg" }))
        {
            <span>Name:</span>@Html.TextBox("name")<br />
            <span>Please Enter value and then press Enter Key</span><br />
            <input type="submit" name="btnSubmit" id="submit_btn" value="Submit" />
        }
    
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
        <script type="text/javascript">
            $(document).ready(function () {
                $("#Formbeg").keypress(function (e) {
                    keycode = e.keyCode || e.charCode || e.which //for cross browser
                    if (keycode == 13)    //keyCode for enter key
    				{
                        var defaultbutton = $(this).attr("DefaultButton");
                        $("#" + defaultbutton).click();
                        return false;
                    }
                });
            });
        </script>
    </body>
    </html>

     

    In above code a "DefaultButton" htmlattribute whose value is button with an id "submit_btn" is set for the form. Whenever any key is pressed keypress event for form is executed there assignment of keycode or charCode or which property of event to a variable keycode. The value of this keycode variable is checked which if 13 i.e keycode for "Enter" key then "DefaultButton" htmlattribute value which is "submit_btn" is assigned to a variable defaultbutton then click event on button with id "submit_btn"(submit button) is fired which ultimately post the form. 

     

    Form filled with data :-

     

     

    Form after pressing "Enter" key :-

     

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