public static Client FindByUserName(string Input)
{
List <Client> Matches = new List <Client>();
Client[] CachedList = AllClients.ToArray();
//EXACT Match
foreach (Client ThisClient in CachedList)
{
if (ThisClient.Username == Input)
{
Matches.Add(ThisClient);
}
}
if (Matches.Count > 0)
{
if (Matches.Count == 1)
{
return(Matches[0]);
}
else
{
return(NoClient);
}
}
Matches.Clear();
//Case Insensitive Match
foreach (Client ThisClient in CachedList)
{
if (ThisClient.Username.ToUpperInvariant() == Input.ToUpperInvariant())
{
Matches.Add(ThisClient);
}
}
if (Matches.Count > 0)
{
if (Matches.Count == 1)
{
return(Matches[0]);
}
else
{
return(NoClient);
}
}
Matches.Clear();
//Contains Match...
foreach (Client ThisClient in CachedList)
{
if (ThisClient.Username.ToUpperInvariant().Contains(Input.ToUpperInvariant()))
{
Matches.Add(ThisClient);
}
}
if (Matches.Count > 0)
{
if (Matches.Count == 1)
{
return(Matches[0]);
}
else
{
return(NoClient);
}
}
Matches.Clear();
//No match.
return(NoClient);
}