Obtain the first spelling of a Chinese String

Public static string getfirstletter (string Str)
{
Char T1;
String val = "";
For (INT I = 0; I <Str. Trim (). length; I ++)
{
T1 = convert. tochar (Str. Trim (). substring (I, 1 ));
If (ASCII (T1)> = ASCII ('! ') & ASCII (T1) <= ASCII ('~ '))
Val + = T1;
Else if (ASCII (T1)> = ASCII ('Ah') & ASCII (T1) <ASCII ('bar '))
Val + = "";
Else if (ASCII (T1)> = ASCII ('bar') & ASCII (T1) <ASCII ('eras '))
Val + = "B ";
Else if (ASCII (T1)> = ASCII ('erase') & ASCII (T1) <ASCII ('tag '))
Val + = "C ";
Else if (ASCII (T1)> = ASCII ('to') & ASCII (T1) <ASCII ('Moth '))
Val + = "D ";
Else if (ASCII (T1)> = ASCII ('Moth ') & ASCII (T1) <ASCII ('fat '))
Val + = "E ";
Else if (ASCII (T1)> = ASCII ('fout') & ASCII (T1) <ASCII ('shanghai '))
Val + = "F ";
Else if (ASCII (T1)> = ASCII ('hangzhou') & ASCII (T1) <ASCII ('har '))
Val + = "G ";
Else if (ASCII (T1)> = ASCII ('har') & ASCII (T1) <ASCII ('click '))
Val + = "H ";
Else if (ASCII (T1)> = ASCII ('click') & ASCII (T1) <ASCII ('case '))
Val + = "J ";
Else if (ASCII (T1)> = ASCII ('case') & ASCII (T1) <ASCII ('late '))
Val + = "K ";
Else if (ASCII (T1)> = ASCII ('late') & ASCII (T1) <ASCII ('Ma '))
Val + = "L ";
Else if (ASCII (T1)> = ASCII ('Ma') & ASCII (T1) <ASCII ('Ta '))
Val + = "M ";
Else if (ASCII (T1)> = ASCII ('A') & ASCII (T1) <ASCII ('oh '))
Val + = "N ";
Else if (ASCII (T1)> = ASCII ('Oh ') & ASCII (T1) <ASCII ('Pa '))
Val + = "O ";
Else if (ASCII (T1)> = ASCII ('Pa ') & ASCII (T1) <ASCII ('period '))
Val + = "p ";
Else if (ASCII (T1)> = ASCII ('period ') & ASCII (T1) <ASCII ('ran '))
Val + = "Q ";
Else if (ASCII (T1)> = ASCII ('ran') & ASCII (T1) <ASCII ('za '))
Val + = "R ";
Else if (ASCII (T1)> = ASCII ('za') & ASCII (T1) <ASCII ('collapsing '))
Val + = "S ";
Else if (ASCII (T1)> = ASCII ('collapsing ') & ASCII (T1) <ASCII ('digging '))
Val + = "T ";
Else if (ASCII (T1)> = ASCII ('dig ') & ASCII (T1) <ASCII ('x '))
Val + = "W ";
Else if (ASCII (T1)> = ASCII ('seg') & ASCII (T1) <ASCII ('Pressure '))
Val + = "X ";
Else if (ASCII (T1)> = ASCII ('Press ') & ASCII (T1) <ASCII ('za '))
Val + = "Y ";
Else if (ASCII (T1)> = ASCII ('za '))
Val + = "Z ";
Else
Val + = "-";
}
Return val;
}

Public static int ASCII (char CHR)
{
System. Text. Encoding ecode = system. Text. encoding. getencoding ("gb18030 ");
Byte [] codebytes = ecode. getbytes (CHR. tostring (). Trim ());
If (codebytes. Length = 2)
{
Return (INT) codebytes [0] * 256 + (INT) codebytes [1]-65536;
}
Else
{
Return (INT) codebytes [0];
}
}

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