@using (Html.BeginForm("List", "Employee", FormMethod.Post, new { gridRows =  grid.Rows }))
{
@grid.GetHtml(columns: grid.Columns(
grid.Column("EmployeeId", format: @<input type="text" value=@item.EmployeeId />),
grid.Column("Name", format: @<input type="text" value=@item.Name />)))

<input type="submit" value="Save" />
}

[HttpPost]
public ActionResult List(IList<WebGridRow> gridRows)
{

}