data-member-decorator

decorator.cs

void Main()
{
	string contract = @"
        public int keyId { get; set; }
        public bool error { get; set; }
        public string changeProposal { get; set; }
        public string dataCode { get; set; }
        public string master { get; set; }
";

	var newList = new List<string>();
	var split = contract.Split('\n');
	for(var i = 0; i < split.Length; i++)
	{
		if(split[i].Contains("public"))
		{
			var lsplit = split[i].Split(new[] {' '}, StringSplitOptions.RemoveEmptyEntries);
			newList.Add($@"        [DataMember(Order = {i - 1}, Name = ""{lsplit[2]}"")]");
			newList.Add(split[i].Replace(lsplit[2], lsplit[2].Substring(0, 1).ToUpper() + lsplit[2].Substring(1)));
		}
	}

	for(var i = 0; i < newList.Count; i++)
	{
		Console.WriteLine(newList[i]);	
	}
}

results.txt

        [DataMember(Order = 0, Name = "keyId")]
        public int KeyId { get; set; } 
        [DataMember(Order = 1, Name = "error")]
        public bool Error { get; set; } 
        [DataMember(Order = 2, Name = "changeProposal")]
        public string ChangeProposal { get; set; } 
        [DataMember(Order = 3, Name = "dataCode")]
        public string DataCode { get; set; } 
        [DataMember(Order = 4, Name = "master")]
        public string Master { get; set; }