public static bool checkPrimaryKey(string sql) { if (String.IsNullOrEmpty(MyConnect.getString(sql))) { return(true); } return(false); }
public static bool checkUserName(string username) { if (String.IsNullOrEmpty(username)) { return(false); } string sql = "select UserName from LogIn where UserName=N'" + username + "'"; if (String.IsNullOrEmpty(MyConnect.getString(sql))) { return(false); } return(true); }
public static bool checkPassword(string username, string password) { string sql1 = "select Password from LogIn where UserName=N'" + username + "'"; string key = ReadXML.GetString("MyResource.xml", "setting/KeyCrypt"); string s = StringPassword.DecrytString(MyConnect.getString(sql1), key); if (String.IsNullOrEmpty(s)) { return(false); } if (s.Equals(password)) { return(true); } return(false); }