C# - example of string manipulation

[Convert string to decimal]
string s = "123.45";
decimal de = decimal.Parse(s);

[Convert string to integer]
string s = "123";
int iSIN = Int32.Parse(s);

[Read field of tinyint from DB and convert to int and string]
int iTemp = (int)reader_src.GetOrdinal(g_strField[iLpCnt]);
strTemp = iTemp.ToString();

[Format integer to string with fixed length]
String.Format("{0:X}", iRecID).PadLeft(5, '0')

[Convert byte array to string]
byte [] szContent;
szContent = System.Convert.FromBase64String(strContentIn);
System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding();
string strLog = enc.GetString(szContent);