Dot Net Disctionary with Data Types

Dictionary<string, Type> sqlToNetTypes;

sqlToNetTypes.Add("int", typeof(int));
sqlToNetTypes.Add("varchar", typeof(string));
sqlToNetTypes.Add("datetime", typeof(DateTime));
sqlToNetTypes.Add("bit", typeof(bool));
sqlToNetTypes.Add("numeric", typeof(float));//or double or decimal as you like...

Type GetNETType(string sqlType)
{
    if(sqlToNetTypes.ContainsKey(sqlType))
    {
        return sqlToNetTypes[sqlType];
    }else
    {
        return typeof(object); //generic type
    }
}