SqlProcedure - Improve Database Performance, Eliminate Errors and Reduce Code

using System;
using System.Collections.Generic;
using System.Text;

namespace SqlProcedureWriter
{
    public class CommandLineParams
    {
        private string _username = string.Empty;
        private string _password = string.Empty;
        private string _servername = string.Empty;
        private string _database = string.Empty;
        private bool _isWin;
        private string _filter = string.Empty;
        private string _folder = string.Empty;
        private string _using = string.Empty;
        private string _namespace = string.Empty;

        //-f="c:\tmp\wrappers" -n=carl.exe -u="one;two" -s=(local) -d="dbwrapper" -i 

        public CommandLineParams(string[] args)
        {
            foreach (string s in args)
            {
                ArgValue v = GetParam(s);
                switch (v.Arg)
                {
                    case "i":
                        _isWin = true;
                        break;
                    case "folder":
                    case "f":
                        _folder = v.Value;
                        break;
                    case "namespace":
                    case "n":
                        _namespace = v.Value;
                        break;
                    case "u":
                    case "using":
                        _using = v.Value;
                        break;
                    case "s":
                    case "server":
                        _servername = v.Value;
                        break;
                    case "d":
                    case "database":
                        _database = v.Value;
                        break;
                    case "user":
                        _username = v.Value;
                        break;
                    case "pass":
                        _password = v.Value;
                        break;
                    case "r":
                    case "regex":
                        _filter = v.Value;
                        break;
                }
            }
        }

        private ArgValue GetParam(string arg)
        {
            string s = arg.Remove(0, 1);
            if (s.Contains("="))
            {
                string [] bits = s.Split('=');
                return new ArgValue(bits[0], bits[1]);
            }
            else
                return new ArgValue(s, string.Empty);
        }

        public string Using
        {
            get { return _using; }
            set { _using = value; }
        }
        public string Namespace
        {
            get { return _namespace; }
            set { _namespace = value; }
        }
        public string Filter
        {
            get { return _filter; }
            set { _filter = value; }
        }
        public string Folder
        {
            get { return _folder; }
            set { _folder = value; }
        }
        public string Username
        {
            get { return _username; }
            set { _username = value; }
        }
        public string Password
        {
            get { return _password; }
            set { _password = value; }
        }
        public string Servername
        {
            get { return _servername; }
            set { _servername = value; }
        }
        public string Database
        {
            get { return _database; }
            set { _database = value; }
        }
        public bool IsWindowsAuth
        {
            get { return _isWin; }
            set { _isWin = value; }
        }

        private struct ArgValue
        {
            public readonly string Arg ;
            public readonly string Value ;
            public ArgValue(string arg, string val)
            {
                Arg = arg;
                Value = val;
            }
        }
    }
}