How to Populate a DropDownList with Enum Values in ASP.NET MVC?

In the ASP.NET MVC, use the enumeration value to fill the drop -down list

Create a drop -down list with enumerated value in ASP.NET MVC, which can be easily implemented using the

expansion method. To use this method with enumeration, follow the following steps:

Html.DropDownList For MVC V5.1 (and higher version):

Use Method:

For MVC V5 (and lower versions): Html.EnumDropDownListFor

@Html.EnumDropDownListFor(
    x => x.YourEnumField,
    "请选择类型",
    new { @class = "form-control" }
)

Use Class:

If you are using MVC 5 or lower versions, you can use the expansion method to expand the RUNE solution:

EnumHelper This allows the use of simple syntax:

@Html.DropDownList("MyType",
    EnumHelper.GetSelectList(typeof(MyType)),
    "请选择类型",
    new { @class = "form-control" }
)

Remember to contain

naming space to use this expansion method.

namespace MyApp.Common
{
    public static class MyExtensions
    {
        public static SelectList ToSelectList<TEnum>(this TEnum enumObj)
            where TEnum : struct, IComparable, IFormattable, IConvertible
        {
            var values = from TEnum e in Enum.GetValues(typeof(TEnum))
                         select new { Id = e, Name = e.ToString() };
            return new SelectList(values, "Id", "Name", enumObj);
        }
    }
}

The above is the detailed content of How to Populate a DropDownList with Enum Values in ASP.NET MVC?. For more information, please follow other related articles on the PHP Chinese website!