Develop Reference

WPF Prism send parameter back from idialog to view

I have a view which opens an idialog that I contain a datagrid. I select certain rows and send back those as a list to the view but all I search I just found ResultButton return for idialog. How I can send back a custom value like a list or anything else ?
My iDialog ViewModel :
public DelegateCommand<string> CloseCommand { get; set; }
public DelegateCommand<string> AttachCommand { get; set; }
private string _txtSearch;
public string txtSearch
{
get { return _txtSearch; }
set { SetProperty(ref _txtSearch, value); }
}
public List<GE_Drawing> SelectedDrawings { get; set; }
private ObservableCollection<GE_Drawing> _DrawingList= new ObservableCollection<GE_Drawing>();
public ObservableCollection<GE_Drawing> DrawingList
{
get { return _DrawingList; }
set { SetProperty(ref _DrawingList, value); }
}
private bool _IsSelected;
public bool IsSelected
{
get { return _IsSelected; }
set { SetProperty(ref _IsSelected, value); }
}
public GE_DrawingAttachViewModel()
{
LoadList();
CloseCommand = new DelegateCommand<string>(onClose);
AttachCommand = new DelegateCommand<string>(onAttach);
}
private void onAttach(string parameter)
{
ButtonResult result = new ButtonResult();
var records = DrawingList.Where(x => x.IsSelected == true).ToList();
if(records.Count>0)
{
SelectedDrawings = records;
}
//result = ButtonResult.OK;
//RaiseRequestClose(new DialogResult(result));
}
private void RaiseRequestClose(DialogResult dialogResult)
{
RequestClose?.Invoke(dialogResult);
}
private void onClose(string parameter)
{
ButtonResult result = new ButtonResult();
result = ButtonResult.Cancel;
RaiseRequestClose(new DialogResult(result));
}
private string _title="Drawing List";
public string Title
{
get => _title;
set => SetProperty(ref _title, value);
}
public event Action<IDialogResult> RequestClose;
public bool CanCloseDialog()
{
return true;
}
public void OnDialogClosed()
{
}
public void OnDialogOpened(IDialogParameters parameters)
{
}
public async void LoadList()
{
GenericDataService<GE_Drawing> generic = new GenericDataService<GE_Drawing>();
DrawingList.AddRange(await generic.GetAll());
}
}
As written above I have an OnAttach which should send back my SelectedDrawings variable to the view but I dont know how to do that.

I have found the answer... IdialogResult have parameter with a value could be set to in dialog and get the value in the callback using a key.
private void openDialog()
{
DialogParameters parameter = new DialogParameters();
_dialogService.ShowDialog("GE_DrawingAttach", parameter, r =>
{
if(r.Result==ButtonResult.OK)
{
DrawingList = r.Parameters.GetValue<List<GE_Drawing>>("DrawingList");
}
});
}

Neo4jClient Node/Relationship Class conventions

Is there a standard naming convention for the properties/methods of a node/relationship class when working with Neo4jClient?
I'm following this link Neo4jClient - Retrieving relationship from Cypher query to create my relationship class
However, there are certain properties of my relationship which i can't get any value despite the relationship having it. While debugging my code, i realized certain properties was not retrieved from the relationship when creating the relationship object.
this is my relationship class
public class Creates
{
private string _raw;
private int _sourcePort;
private string _image;
private int _DestinationPort;
private int _eventcode;
private string _name;
private string _src_ip;
private int _src_port;
private string _dvc;
private int _signature_ID;
private string _dest_ip;
private string _computer;
private string _sourceType;
private int _recordID;
private int _processID;
private DateTime _time;
private int _dest_port;
public string Raw { get { return _raw; } set { _raw = value; } }
public int SourcePort { get { return _sourcePort; } set { _sourcePort = value; } }
public string Image { get { return _image; } set { _image = value; } }
public int DestinationPort { get { return _DestinationPort; } set { _DestinationPort = value; } }
public int Eventcode { get { return _eventcode; } set { _eventcode = value; } }
public string Name { get { return _name; } set { _name = value; } }
public string Src_ip { get { return _src_ip; } set { _src_ip = value; } }
public int Src_port { get { return _src_port; } set { _src_port = value; } }
public string DVC { get { return _dvc; } set { _dvc = value; } }
public int Signature_ID { get { return _signature_ID; } set { _signature_ID = value; } }
public string Dest_ip { get { return _dest_ip; } set { _dest_ip = value; } }
public string Computer { get { return _computer; } set { _computer = value; } }
public string SourceType { get { return _sourceType; } set { _sourceType = value; } }
public int RecordID { get { return _recordID; } set { _recordID = value; } }
public int ProcessID { get { return _processID; } set { _processID = value; } }
public DateTime Indextime { get { return _time; } set { _time = value; } }
public int Dest_port { get { return _dest_port; } set { _dest_port = value; } }
}
This is another class
public class ProcessConnectedIP
{
public Neo4jClient.RelationshipInstance<Pivot> bindto { get; set; }
public Neo4jClient.Node<LogEvent> bindip { get; set; }
public Neo4jClient.RelationshipInstance<Pivot> connectto { get; set; }
public Neo4jClient.Node<LogEvent> connectip { get; set; }
}
This is my neo4jclient query to get the relationship object
public IEnumerable<ProcessConnectedIP> GetConnectedIPs(string nodeName)
{
try
{
var result =
this.client.Cypher.Match("(sourceNode:Process{name:{nameParam}})-[b:Bind_IP]->(bind:IP_Address)-[c:Connect_IP]->(connect:IP_Address)")
.WithParam("nameParam", nodeName)
.Where("b.dest_ip = c.dest_ip")
.AndWhere("c.Image=~{imageParam}")
.WithParam("imageParam", $".*" + nodeName + ".*")
.Return((b, bind, c, connect) => new ProcessConnectedIP
{
bindto = b.As<RelationshipInstance<Creates>>(),
bindip = bind.As<Node<LogEvent>>(),
connectto = c.As<RelationshipInstance<Creates>>(),
connectip = connect.As<Node<LogEvent>>()
})
.Results;
return result;
}catch(Exception ex)
{
Console.WriteLine("GetConnectedIPs: Error Msg: " + ex.Message);
return null;
}
}
This is the method to read the results
public void MyMethod(string name)
{
IEnumerable<ProcessConnectedIP> result = clientDAL.GetConnectedIPs(name);
if(result != null)
{
var results = result.ToList();
Console.WriteLine(results.Count());
foreach (ProcessConnectedIP item in results)
{
Console.WriteLine(item.Data.Src_ip);
Console.WriteLine(item.bindto.StartNodeReference.Id);
Console.WriteLine(item.bindto.EndNodeReference.Id);
Console.WriteLine(item.connectto.StartNodeReference.Id);
Console.WriteLine(item.connectto.EndNodeReference.Id);
Node<LogEvent> ans = item.bindip;
LogEvent log = ans.Data;
Console.WriteLine(log.Name);
Node<LogEvent> ans1 = item.connectip;
LogEvent log1 = ans1.Data;
Console.WriteLine(log1.Name);
}
}
}
Somehow, i'm only able to populate the relationship object with src_ip/src_port/dest_ip/dest_port values. the rest are empty.
Is there any possible reason why? I've played with upper/lower cases on the properties names but it does not seem to work.
This is the section of the graph im working with
This is the relationship properties sample:
_raw: Some XML dataSourcePort: 49767Image: C:\Windows\explorer.exeDestinationPort: 443EventCode: 3Name: Bind
IPsrc_ip: 172.10.10.104dvc: COMPUTER-NAMEsrc_port:
49767signature_id: 3dest_ip: 172.10.10.11Computer:
COMPUTRE-NAME_sourcetype:
XmlWinEventLog:Microsoft-Windows-Sysmon/OperationalRecordID:
13405621ProcessId: 7184_time: 2017-08-28T15:15:39+08:00dest_port: 443

I'm not entirely sure how your Creates class is ever populated, in particular those fields - as your Src_port property doesn't match the src_port in the sample you provided (case wise).
I think it's probably best to go back to a super simple version. Neo4jClient will map your properties to the properties in the Relationship as long as they have the same name (and it is case-sensitive).
So start with a new Creates class (and use auto properties - it'll make your life a lot easier!)
public class Creates
{
public string Computer { get; set; }
}
Run your query with that and see if you get a result, then keep on adding properties that match the name and type you expect to get back (int, string etc)

It seems that i have to give neo4j node/relationship property names in lowercase and without special characters at the start of the property name, in order for the above codes to work.
The graph was not created by me at the start thus i had to work on it with what was given. I had to get the developer who created the graph to create the nodes with lowercases in order for the above to work.

C# LINQ to SQL Invalid Object Name

public class AMCOMDB : DataContext
{
public Table<student> allStudents;
public Table<aClass> allClasses;
public AMCOMDB(string connection) : base(connection) { }
}
[Table(Name = "student")]
public class student
{
private string _studentName;
[Column(IsPrimaryKey =true,Storage ="_studentName")]
public string studentName
{
get { return this._studentName; }
set { this._studentName = value; }
}
private string _LARType;
[Column(Storage ="_LARType")]
public string LARType
{
get { return this._LARType; }
set { this._LARType = value; }
}
private string _studentType;
[Column(Storage = "_studentType")]
public string studentType
{
get { return this._studentType; }
set { this._studentType = value; }
}
private string _aviationLevel;
[Column(Storage = "_aviationLevel")]
public string aviationLevel
{
get { return this._aviationLevel; }
set { this._aviationLevel = value; }
}
private string _airDefenseLevel;
[Column(Storage = "_airDefenseLevel")]
public string airDefenseLevel
{
get
{
return this._airDefenseLevel;
}
set
{
this._airDefenseLevel = value;
}
}
private string _emergencyContact;
[Column(Storage = "_emergencyContact")]
public string emergencyContact
{
get
{
return this._emergencyContact;
}
set
{
this._emergencyContact = value;
}
}
[Table(Name = "grades")]
public class grades
{
private string _studentName;
[Column(IsPrimaryKey = true, Storage = "_studentName")]
public string studentName
{
get
{
return this._studentName;
}
set
{
this._studentName = value;
}
}
private int _ET;
[Column(Storage = "_ET")]
public int ET
{
get
{
return this._ET;
}
set
{
this._ET = value;
}
}
private int _CP;
[Column(Storage = "_CP")]
public int CP
{
get
{
return this._CP;
}
set
{
this._CP = value;
}
}
private int _SB;
[Column(Storage = "_SB")]
public int SB
{
get
{
return this._SB;
}
set
{
this._SB = value;
}
}
private int _EC;
[Column(Storage = "_EC")]
public int EC
{
get
{
return this._EC;
}
set
{
this._EC = value;
}
}
private int _finalGrade;
[Column(Storage = "_finalGrade")]
public int finalGrade
{
get
{
return this._finalGrade;
}
set
{
this._finalGrade = value;
}
}
}
[Table(Name = "classes")]
public class aClass
{
private string _classNumber;
[Column(IsPrimaryKey = true, Storage = "_classNumber")]
public string classNumber
{
get
{
return this._classNumber;
}
set
{
this._classNumber = value;
}
}
private string _courseSeries;
[Column(Storage = "_courseSeries")]
public string courseSeries
{
get
{
return this._courseSeries;
}
set
{
this._courseSeries = value;
}
}
private string _courseNumber;
[Column(Storage = "_courseNumber")]
public string courseNumber
{
get
{
return this._courseNumber;
}
set
{
this._courseNumber = value;
}
}
private string _distanceLearning;
[Column(Storage = "_distanceLearning")]
public string distanceLearning
{
get
{
return this._distanceLearning;
}
set
{
this._distanceLearning = value;
}
}
private string _classStartDate;
[Column(Storage = "_classStartDate")]
public string classStartDate
{
get
{
return this._classStartDate;
}
set
{
this._classStartDate = value;
}
}
private string _classEndDate;
[Column(Storage = "_classEndDate")]
public string classEndDate
{
get
{
return this._classEndDate;
}
set
{
this._classEndDate = value;
}
}
private string _primaryInstructor;
[Column(Storage = "_primaryInstructor")]
public string primaryInstructor
{
get
{
return this._primaryInstructor;
}
set
{
this._primaryInstructor = value;
}
}
private string _secondaryInstructor;
[Column(Storage = "_secondaryInstructor")]
public string secondaryInstructor
{
get
{
return this._secondaryInstructor;
}
set
{
this._secondaryInstructor = value;
}
}
private string _location;
[Column(Storage = "_location")]
public string location
{
get
{
return this._location;
}
set
{
this._location = value;
}
}
private string _TDYCosts;
[Column(Storage = "_TDYCosts")]
public string TDYCosts
{
get
{
return this._TDYCosts;
}
set
{
this._TDYCosts = value;
}
}
private string _studentCount;
[Column(Storage = "_studentCount")]
public string studentCount
{
get
{
return this._studentCount;
}
set
{
this._studentCount = value;
}
}
private List<grades> _classGrades;
[Column(Storage = "_classGrades")]
public List<grades> classGrades
{
get
{
return this._classGrades;
}
set
{
this._classGrades = value;
}
}
AMCOMDB ADB = new AMCOMDB(connectionString);
if (ADB.DatabaseExists())
{
var stud = ADB.GetTable<student>();
var clas = ADB.GetTable<aClass>();
IQueryable<string> query = from c in stud
where c.studentName.Length > 5
orderby c.studentName.Length
select c.studentName.ToUpper();
foreach (string name in query)
{
}
//var q = from a in ADB.GetTable<student>()
// select a;
//dtStudents = LinqQuerytoDataTable(q);
//var q1 = from a in ADB.GetTable<aClass>()
// select a;
//aClass c = new aClass();
//dtClasses = reformatDataTable(q1);
}
I receive the following when I try to get information from the database at (foreach (string name in query))
An unhandled exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.dll
Additional information: Invalid object name 'student'.
I also get this when I first create the database:
An unhandled exception of type 'System.InvalidOperationException' occurred in System.Data.Linq.dll
Additional information: Unable to determine SQL type for 'System.Collections.Generic.List`1[WindowsFormsApplication1.Form1+grades]'.

remove the word Name that is what worked for me
[Table("student")]
public class student

Filter on ObservableCollection list using lambda expression

I am wondering if anyone tell me why the filtering on Queries which is a list of ObservableCollection does not work in my below code? Queries.List.Where(x => x.Name.Equals(value)) always has the whole list..no filtering. Is there something wrong with my lambda expression?
ViewModel:
namespace DataRetrieval.ViewModel
{
public class QueriesViewModel:BindableBase
{
public QueriesViewModel()
{
Queries = new Queries();
for (int i = 0; i < 5; ++i)
{
var query = new Query { Name = "Query "+i.ToString() };
Queries.List.Add(query);
}
}
private Queries _queries;
public Queries Queries
{
get { return _queries; }
set { SetProperty(ref _queries, value); }
}
private string _filter1;
public string Filter1
{
get { return _filter1; }
set {
SetProperty(ref _filter1, value);
filterlist(Filter1);
}
}
private void filterlist(string value)
{
Queries.List.Where(x => x.Name.Equals(value));
}
}
}
Model:
public class Queries : BindableBase
{
private ObservableCollection<Query> _list;
public ObservableCollection<Query> List
{
get { return _list ?? (_list = new ObservableCollection<Query>()); }
set { SetProperty(ref _list, value); }
}
}
public class Query:BindableBase
{
private string _name;
public string Name
{
get { return _name; }
set {
SetProperty(ref _name, value);
}
}
private string _type;
public string Type
{
get { return _type; }
set { SetProperty(ref _type, value); }
}
private QDatatables _tables;
public QDatatables Tables
{
get { return _tables; }
set { SetProperty(ref _tables, value); }
}
}

Queries.List = new ObservableCollection<Query>(Queries.List.Where(x => x.Name.Equals(value)));

Queries.List.Where() returns a new value, so either set it back to Queries.List (as #Valera said in his comment), or return it like so:
Queries.List = Queries.List.Where(x => x.Name.Equals(value));
or
return Queries.List.Where(x => x.Name.Equals(value));
Edit: returning wouldn't work because it is inside a void function, and you'd have to change that, or use #Valera's method.

string[] and string to DataGridView-Datasource

i have collection of class "Microsoft.Exchange.Management.TransportLogSearchTasks.MessageTrackingEvent"
this is microsoft class.
this class build like the following class
public class MTE
{
private DateTime timestamp;
private string clientIp;
private string clientHostname;
private string serverIp;
private string serverHostname;
private string sourceContext;
private string connectorId;
private string source;
private string eventId;
private string internalMessageId;
private string messageId;
private string[] recipients;
private string[] recipientStatus;
private int? totalBytes;
private int recipientCount;
private string relatedRecipientAddress;
private string[] reference;
private string messageSubject;
private string sender;
private string returnPath;
private string messageInfo;
private new DateTime Timestamp
{
get { return timestamp; }
set { timestamp = value; }
}
public new string ClientIp
{
get { return clientIp; }
set { clientIp = value; }
}
public new string ClientHostname
{
get { return clientHostname; }
set { clientHostname = value; }
}
public new string ServerIp
{
get { return serverIp; }
set { serverIp = value; }
}
public new string ServerHostname
{
get { return serverHostname; }
set { serverHostname = value; }
}
public new string SourceContext
{
get { return sourceContext; }
set { sourceContext = value; }
}
public new string ConnectorId
{
get { return connectorId; }
set { connectorId = value; }
}
public new string Source
{
get { return source; }
set { source = value; }
}
public new string EventId
{
get { return eventId; }
set { eventId = value; }
}
public new string InternalMessageId
{
get { return internalMessageId; }
set { internalMessageId = value; }
}
public new string MessageId
{
get { return messageId; }
set { messageId = value; }
}
public new string[] Recipients
{
get { return recipients; }
set { recipients = value; }
}
public new string RecipientStatus
{
get { return[] recipientStatus; }
set { recipientStatus = value; }
}
public new int? TotalBytes
{
get { return totalBytes; }
set { totalBytes = value; }
}
public new int RecipientCount
{
get { return recipientCount; }
set { recipientCount = value; }
}
public new string RelatedRecipientAddress
{
get { return relatedRecipientAddress; }
set { relatedRecipientAddress = value; }
}
public new string Reference
{
get { return[] reference; }
set { reference = value; }
}
public new string MessageSubject
{
get { return messageSubject; }
set { messageSubject = value; }
}
public new string Sender
{
get { return sender; }
set { sender = value; }
}
public new string ReturnPath
{
get { return returnPath; }
set { returnPath = value; }
}
public new string MessageInfo
{
get { return messageInfo; }
set { messageInfo = value; }
}
}
When i am doing
Collection<MTE> newMTE = new Collection<MTE>();
datagridview1.datasource= newMTE;
datagrid1.datasource = newMTE
on DGV i can see at all the string[] properties
on the datagrid i can see them but as property type and not as a value
image example:
http://farm6.staticflickr.com/5519/10725217114_226ddd96c7_m.jpg
my collection have millions of rows, so i need an easy to process solution.
thank you all for the help

newMTE is a collection itself and your string[] are collection of items too (string array).
You can use something like Grouping or Show Row Details to show subrows of a row.
Examples here:
http://www.wpftutorial.net/DataGrid.html