Anybody got a C# function that maps the SQL datatype of a column to its CLR equivalent?

Question

I\'m sitting down to write a massive switch() statement to turn SQL datatypes into CLR datatypes in order to generate classes from MSSQL stored procedures. I\'m using this c

Answer 1

    internal Type type(SqlDbType sqltype)
    {
        Type resulttype = null;
        Dictionary Types = new Dictionary();
        Types.Add(SqlDbType.BigInt, typeof(Int64));
        Types.Add(SqlDbType.Binary, typeof(Byte[]));
        Types.Add(SqlDbType.Bit, typeof(Boolean));
        Types.Add(SqlDbType.Char, typeof(String));
        Types.Add(SqlDbType.Date, typeof(DateTime));
        Types.Add(SqlDbType.DateTime, typeof(DateTime));
        Types.Add(SqlDbType.DateTime2, typeof(DateTime));
        Types.Add(SqlDbType.DateTimeOffset, typeof(DateTimeOffset));
        Types.Add(SqlDbType.Decimal, typeof(Decimal));
        Types.Add(SqlDbType.Float, typeof(Double));
        Types.Add(SqlDbType.Image, typeof(Byte[]));
        Types.Add(SqlDbType.Int, typeof(Int32));
        Types.Add(SqlDbType.Money, typeof(Decimal));
        Types.Add(SqlDbType.NChar, typeof(String));
        Types.Add(SqlDbType.NText, typeof(String));
        Types.Add(SqlDbType.NVarChar, typeof(String));
        Types.Add(SqlDbType.Real, typeof(Single));
        Types.Add(SqlDbType.SmallDateTime, typeof(DateTime));
        Types.Add(SqlDbType.SmallInt, typeof(Int16));
        Types.Add(SqlDbType.SmallMoney, typeof(Decimal));
        Types.Add(SqlDbType.Text, typeof(String));
        Types.Add(SqlDbType.Time, typeof(TimeSpan));
        Types.Add(SqlDbType.Timestamp, typeof(Byte[]));
        Types.Add(SqlDbType.TinyInt, typeof(Byte));
        Types.Add(SqlDbType.UniqueIdentifier, typeof(Guid));
        Types.Add(SqlDbType.VarBinary, typeof(Byte[]));
        Types.Add(SqlDbType.VarChar, typeof(String));
        Types.TryGetValue(sqltype, out resulttype);
        return resulttype;
    }

    internal SqlDbType type(Type systype)
    {
        SqlDbType resulttype = SqlDbType.NVarChar;
        Dictionary Types = new Dictionary();
        Types.Add(typeof(Boolean), SqlDbType.Bit);
        Types.Add(typeof(String), SqlDbType.NVarChar);
        Types.Add(typeof(DateTime), SqlDbType.DateTime);
        Types.Add(typeof(Int16), SqlDbType.Int);
        Types.Add(typeof(Int32), SqlDbType.Int);
        Types.Add(typeof(Int64), SqlDbType.Int);
        Types.Add(typeof(Decimal), SqlDbType.Float);
        Types.Add(typeof(Double), SqlDbType.Float);
        Types.TryGetValue(systype, out resulttype);
        return resulttype;
    }