public static string String(object a, object b, char separator = ',')
{
if (a == null)
{
return(String(b));
}
if (b == null)
{
return(String(a));
}
var f = StringPattern.GetFormat(separator);
return(string.Format(f, a, separator, b));
}
public static string String(string a, string b, char separator = ',')
{
if (string.IsNullOrEmpty(a))
{
return(String(b));
}
if (string.IsNullOrEmpty(b))
{
return(String(a));
}
var f = StringPattern.GetFormat(separator);
return(string.Format((string)f, a, separator, b));
}