C# object to json string
Newtonsoft.Json.JsonConvert.SerializeObject(new {foo = "bar"})
c# converter objecto em cadeia de caracteres
Object obj=new Object();
obj="hi";
string str1=Convert.ToString(obj);
string str2=obj.ToString();
string str3= obj as string;
string str4=(string)obj;
c# converter ad objectguid para string
new Guid((System.Byte[])this.GUID).ToString()