Hi Laura,

At least you admit you're being lazy. ;-)  I was curious to see if the U.S. States existed as a list in the .NET framework (similar to how countries are listed in the System.Globalization namespace) ... but alas it's not there!

So using the super cool 'AbstractDataEditor', I've coded one up for you!

using System;
using System.Collections.Generic;
using System.Web.UI.WebControls;
using umbraco.cms.businesslogic.datatype;

namespace Our.Umbraco.DataTypes
{
    public class USStates : AbstractDataEditor
    {
        private DropDownList m_Control = new DropDownList();

        public IDictionary StateDictionary = new Dictionary
        {
            {"Alabama", "AL"},
            {"Alaska", "AK"},
            {"American Samoa", "AS"},
            {"Arizona", "AZ"},
            {"Arkansas", "AR"},
            {"California", "CA"},
            {"Colorado", "CO"},
            {"Connecticut", "CT"},
            {"Delaware", "DE"},
            {"District of Columbia", "DC"},
            {"Federated States of Micronesia", "FM"},
            {"Florida", "FL"},
            {"Georgia", "GA"},
            {"Guam", "GU"},
            {"Hawaii", "HI"},
            {"Idaho", "ID"},
            {"Illinois", "IL"},
            {"Indiana", "IN"},
            {"Iowa", "IA"},
            {"Kansas", "KS"},
            {"Kentucky", "KY"},
            {"Louisiana", "LA"},
            {"Maine", "ME"},
            {"Marshall Islands", "MH"},
            {"Maryland", "MD"},
            {"Massachusetts", "MA"},
            {"Michigan", "MI"},
            {"Minnesota", "MN"},
            {"Mississippi", "MS"},
            {"Missouri", "MO"},
            {"Montana", "MT"},
            {"Nebraska", "NE"},
            {"Nevada", "NV"},
            {"New Hampshire", "NH"},
            {"New Jersey", "NJ"},
            {"New Mexico", "NM"},
            {"New York", "NY"},
            {"North Carolina", "NC"},
            {"North Dakota", "ND"},
            {"Northern Mariana Islands", "MP"},
            {"Ohio", "OH"},
            {"Oklahoma", "OK"},
            {"Oregon", "OR"},
            {"Palau", "PW"},
            {"Pennsylvania", "PA"},
            {"Puerto Rico", "PR"},
            {"Rhode Island", "RI"},
            {"South Carolina", "SC"},
            {"South Dakota", "SD"},
            {"Tennessee", "TN"},
            {"Texas", "TX"},
            {"Utah", "UT"},
            {"Vermont", "VT"},
            {"Virgin Islands", "VI"},
            {"Virginia", "VA"},
            {"Washington", "WA"},
            {"West Virginia", "WV"},
            {"Wisconsin", "WI"},
            {"Wyoming", "WY"}
        };

        public override string DataTypeName
        {
            get
            {
                return "U.S. States";
            }
        }

        public override Guid Id
        {
            get
            {
                return new Guid("7B38C968-286E-4D3C-8C95-608CE3EA666C");
            }
        }

        public USStates()
        {
            base.RenderControl = this.m_Control;

            this.m_Control.Init += new EventHandler(this.m_Control_Init);

            base.DataEditorControl.OnSave += new AbstractDataEditorControl.SaveEventHandler(this.DataEditorControl_OnSave);
        }

        private void m_Control_Init(object sender, EventArgs e)
        {
            this.m_Control.DataSource = this.StateDictionary;
            this.m_Control.DataTextField = "Key";
            this.m_Control.DataValueField = "Value";
            this.m_Control.DataBind();

            if (base.Data.Value != null)
            {
                this.m_Control.SelectedValue = base.Data.Value.ToString();
            }
        }

        private void DataEditorControl_OnSave(EventArgs e)
        {
            base.Data.Value = this.m_Control.SelectedValue;
        }
    }
}

Copy-n-paste this code into a .cs file and drop it into your App_Code folder - the Umbraco back-office should pick it up.

I've posted this up on my GitHub too - for future reference: https://gist.github.com/1217575

(Credit for the States list is from StackOverflow)

Enjoy!

Cheers, Lee.