Pass data from view to controller using asp.net mvc

Question

I want to select a line of references to get the list of athor reference associat , this is the code of my view :

<table class="table">
<tr>
    <th>
        @Html.DisplayNameFor(model => model.Réf_OE)
    </th>
    <th>
        @Html.DisplayNameFor(model => model.GENER_MOTORS)
    </th>
    <th></th>
</tr>
@foreach (var item in Model) {
<tr>
    <td>
        @Html.DisplayFor(modelItem => item.Réf_OE)
    </td>
    <td>
        @Html.DisplayFor(modelItem => item.GENER_MOTORS)
    </td>
    <td>
        @Html.ActionLink("Select", "Select", new { Réf = item.Réf_OE }) 
</tr>  
}

This the code of my select method :

 [HttpGet]
    public ActionResult Select(string Réf)
    {
        if (Réf != null)
        {
            var autres_ref = db.Autre_Références.Where(c => c.Réf_id == Réf).ToList();
            ViewBag.autres_ref = autres_ref;
            return RedirectToAction("Index", "Référence_Consctructeur");
        }
        else
        {
            return RedirectToAction("Create", "Référence_Consctructeur");
        }
        return RedirectToAction("Index", "Référence_Construscteur");
    }

and i put the cursor on select it shows :

http://localhost:56616/R%C3%A9f%C3%A9rence_Consctructeur/Select/7700308756

I didn't understand why the paramter passed to select is null please help.

thank you , i fixed it now , by changing the name of parametre — Sarra
– Sarra, Commented Dec 1, 2016 at 20:37

ocuenca · Accepted Answer · 2016-12-01 20:21:23Z

1

The parameter name you are passing in your ActionLink should match with the parameter name in your action:

@Html.ActionLink("Select", "Select", new { Réf= item.Réf_OE })

Or change the parameter name of your action:

 public ActionResult Select(string id){...}

answered Dec 1, 2016 at 20:21

ocuenca

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2 Comments

ocuenca Over a year ago

And both actions are defined in the same controller? That should fix the binding problem

Sarra Over a year ago

thanks for your help it works fine now , :D the problem was because of name of parametre

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