i am working with a .net application where i have a web service that returns values in array form and now this array values i want to pass to a class and also as a reference to a private object. But since i am fresh new in programming i do not know how where an with what logic to start.
This is the private obj i created and i want to pass those references where CT is the array type and clsIn is the info that comes from another class but i have no idea how to pass neither of them.
private object TotInfo(clsIn In, CT ct)
{
TotInfo objFromCD = new TotInfo();
return objFromCD;
}
And here is the new class i have created that where i want to pass all the values from clsIn and CT:
public class TotInfo
{
// Object properties
private string LAST_OFFER;
private string LAST_OFFER_DATE;
private string CLOSING_REASON;
private string _NO;
private string _STATUS;
#region "GET/SET Property"
public string NO
{
get { return _NO; }
set { _NO = value; }
}
public string LAST_OFFER
{
get { return _LAST_OFFER; }
set { _LAST_OFFER = value; }
}
public string LAST_OFFER_DATE
{
get { return _LAST_OFFER_DATE; }
set { _LAST_OFFER_DATE = value; }
}
public string CLOSING_REASON
{
get { return _CLOSING_REASON; }
set { _CLOSING_REASON = value; }
}
public string STATUS
{
get { return _STATUS; }
set { _STATUS = value; }
}
#endregion
#region "Costruttori"
public CardsTotInfo() { }
public CardsTotInfo(string No, string lastOffer, string lastOfferDate, string closingReason, string status)
{
this.NO = No;
this.LAST_OFFER = lastOffer.ToUpper();
this.LAST_OFFER_DATE = lastOfferDate.ToUpper();
this.CLOSING_REASON = closingReason.ToUpper();
this.STATUS = status.ToUpper();
}
}
I have passed, or better say i think i have passed in the correct way the values of clsIn but i do not know how to pass the properties of the array type CT[].
I really need help.
Thank you in advance.
If CT is an object array and the data you get from the web service always comes in the same order, for instance using an arbitrary example:
object[] CT = { 1, DateTime.Now, "foo", true }
If you know that each property data inside the array will always be at the same index (you will always have a int in index 0 representing an Id, and a DateTime on index 1 representing the last offer day and so on)
I would say you need to set each property "manually":
private object TotInfo(clsIn In, CT ct)
{
TotInfo objFromCD = new TotInfo();
//get data from DB
//set the data from the array into the class properties
objFromCD.Id = (int)ct[0];
objFromCD.LastOfferDate = (DateTime)ct[1];
objFromCD.ClosingReason = (string)ct[2];
objFromCD.Available = (bool)ct[3];
return objFromCD;
}
Related
I am coding an application for my study, but i'm stuck at this point. I made a class called 'Neighborhood'. This class has a string and an int. In my main code I give the class a value and put it in a list. I now want to loop through my list and get the int out of it (put it in a listbox, or do a calculation). How do I get the int out of the list?
class Wijk
{
private string wijken;
private int tijd;
public string Wijken
{
get { return wijken; }
set { wijken = value; }
}
public int Tijd
{
get { return tijd; }
set { tijd = value; }
}
}
Created the list and the instance of the class.
List<object> Uden = new List<object>();
Wijk Wijkeninput = new Wijk();
Now I value the string and int with a combobox and textbox.
private void wijkAanmaken()
{
Wijkeninput.Wijken = Convert.ToString(cbWijken);
Wijkeninput.Tijd = Convert.ToInt16(tbSnelheid.Text);
Uden.Add(Wijkeninput);
}
For this, instead of having an object list, you can have list containing class objects like
List<Wjik> Uden = new List<Wjik>();
then you can access int as follows:
foreach (Wjik obj in listProgram)
{
int tij = Convert.ToInt32(obj.tijd);
}
First the List can be declared like this:
List<Wijk> Uden = new List<Wijk>();
To iterate over it:
foreach(var item in Uden)
{
var myInt = item.Tijd;
var myString = item.Wijken;
//here do whatever you want with the values
}
I'm trying to deserialize xml data using xmlreader into a list object but I am getting a null back from my call. Here is a sample of my xml data...
<ExceptionLog>
<ExceptionLogData MessageCount="1" SourceDateTime="2016-02-08T09:32:41.713" MinSourceDateTime="2016-02-08T09:32:41.713" DataId="610029" MaxExceptionLogID="610029" MessageText="INVALID_SESSION_ID: Invalid Session ID found in SessionHeader: Illegal Session. Session not found, missing session hash: hX7K7LONeTilw5RfGT432g==
This is expected, it can happen if the session has expired and swept away, or if the user logs out, or if its just someone trying to hack in. " MachineName="VERTEXDPORTSQL1" AppDomainName="VTMS.Windows.SalesforceServicingAgent.exe" ProcessName="VTMS.Windows.SalesforceServicingAgent" />
<ExceptionLogData MessageCount="1" SourceDateTime="2016-02-08T09:22:39.340" MinSourceDateTime="2016-02-08T09:22:39.340" DataId="610028" MaxExceptionLogID="610028" MessageText="INVALID_SESSION_ID: Invalid Session ID found in SessionHeader: Illegal Session. Session not found, missing session hash: rtZTrLk2f99iVttLoz31tg==
This is expected, it can happen if the session has expired and swept away, or if the user logs out, or if its just someone trying to hack in. " MachineName="VERTEXDPORTSQL1" AppDomainName="VTMS.Windows.SalesforceServicingAgent.exe" ProcessName="VTMS.Windows.SalesforceServicingAgent" />
</ExceptionLog>
This is the object class code that I am trying to create...
public class ExceptionLog {
public ExceptionLog() {
ExceptionLogData = new List<ExceptionLogExceptionLogData>();
}
public List<ExceptionLogExceptionLogData> ExceptionLogData { get; set; }
}
public class ExceptionLogExceptionLogData {
private DateTime _sourceDateTimeField;
private DateTime _minSourceDateTimeField;
private uint dataIdField;
private uint _maxExceptionLogIdField;
private string _messageTextField;
private string _machineNameField;
private string _appDomainNameField;
private string _processNameField;
public byte MessageCount { get; set; }
public DateTime SourceDateTime {
get {
return _sourceDateTimeField;
}
set {
_sourceDateTimeField = value;
}
}
public DateTime MinSourceDateTime {
get {
return _minSourceDateTimeField;
}
set {
_minSourceDateTimeField = value;
}
}
public uint DataId {
get {
return dataIdField;
}
set {
dataIdField = value;
}
}
public uint MaxExceptionLogID {
get {
return _maxExceptionLogIdField;
}
set {
_maxExceptionLogIdField = value;
}
}
public string MessageText {
get {
return _messageTextField;
}
set {
_messageTextField = value;
}
}
public string MachineName {
get {
return _machineNameField;
}
set {
_machineNameField = value;
}
}
public string AppDomainName {
get {
return _appDomainNameField;
}
set {
_appDomainNameField = value;
}
}
public string ProcessName {
get {
return _processNameField;
}
set {
_processNameField = value;
}
}
}
And finally here is how I am trying to deserialize the data...
using (var dataReader = sqlCommand.ExecuteXmlReader())
{
var serializer = new XmlSerializer(typeof(ExceptionLog));
var returnDataList = serializer.Deserialize(dataReader) as List<ExceptionLogExceptionLogData>;
return returnDataList;
}
What have I missed or what am I doing wrong?
I have another approach that I can use until I figure this out and that is the old fashioned way of creating my object list and programmatically populating it with my objects on the fly - not very graceful but for the time being it works.
TIA
XmlSerializer is defined of type ExceptionLog but you're then casting the result to List
var serializer = new XmlSerializer(typeof(ExceptionLog));
var returnDataList = serializer.Deserialize(dataReader) as List<ExceptionLogExceptionLogData>;
The casting should be to the type of serializer:
var returnDataList = serializer.Deserialize(dataReader) as ExceptionLog;
I didn't check all the elements but you should also mark ExceptionLogData with XmlElement attribute.
[XmlElement]
public List<ExceptionLogExceptionLogData> ExceptionLogData { get; set; }
There might be some issues with the other properties but this should address the problem in the question
I am using JSON.NET to serialize some c# objects into JSON (and then write to a file).
My two main classes are:
public class Reservoir {
private Well[] mWells;
public Well[] wells {
get { return mWells; }
set { mWells = value; }
}
}
and
public Well() {
private string mWellName;
private double mY;
private double mX;
public string wellName {
get { return mWellName; }
set { mWellName = value; }
}
public double y {
get { return mY; }
set { mY = value; }
}
public double x {
get { return mX; }
set { mX = value; }
}
private Well[] mWellCorrelations;
}
The problem is that the output looks like:
'{"wells":[{"wellName":"B-B10","y":217.04646503367468,"x":469.5776343820333,"wellCorrelations":[{"wellName":"B-B12","y":152.71005958395972,"x":459.02158140110026,"wellCorrelations":[{"wellName":"B-B13","y":475.0,"x":495.14804408905263,"wellCorrelations":[{"wellName":"B-B11","y":25.0,"x":50.0,"wellCorrelations":[]}
i.e. the associated wells of each well object are expanded as objects themselves and this becomes a serious problem of space and time when there lots of associated objects.
I suppose I would have preferred something like:
'{"wells":[{"wellName":"B-B10","y":217.04646503367468,"x":469.5776343820333,"wellCorrelations":[{"wellName":"B-B12"}], {"wellName":"B-B11","y":217.04646503367468,"x":469.5776343820333,"wellCorrelations":[{"wellName":"B-B13"}
i.e maintaining only the well name as the link (assume its unique).
Is there a way to do this with JSON.NET?
You have set
serializer.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
but it doesn't make any difference.
You could add a new readonly property called WellCorrelations that only got the names of the well correlations, and slap a JsonIngore attribute on your mWellCorrelations, like so:
[JsonIgnore]
private Well[] mWellCorrelations;
public string[] WellCorrelations
{
get { return mWellCorrelations.Select(w => w.wellName).ToArray(); }
}
http://james.newtonking.com/projects/json/help/html/ReducingSerializedJSONSize.htm
That way, the serializer will only serialize the names of the correlated wells.
I have a Linq to Entities query and I want to select some specific columns and store the new object into a pre-defined object. However, I'm getting the error
<object> does not contain a constructor that takes 0 arguments.
Not sure what is wrong here...
Also not sure if this is the best way or if using anonymous type is better instead of creating a payroll object.
Linq Query
public Payroll GetTestCasePayroll(decimal testScenarioID) //not sure if object is correct return
{
Payroll instance = (from o in DbContext.UI_OnDemandCheckHeader
where o.TestScenarioID == testScenarioID
select new Payroll(o.PayEntityCode, o.PayrollYear, o.PayrollNumber)).First();
//{ PayEntityCode = , PayrollYear = o.PayrollYear, PayrollNumber = o.PayrollNumber }).First();
return instance;
}
Payroll object
class Payroll
{
private string _payEntityCode;
private decimal _payrollYear;
private string _payrollNumber;
public Payroll(string payEntityCode, decimal payrollYear, string payrollNumber)
{
PayEntityCode = payEntityCode;
PayrollYear = payrollYear;
PayrollNumber = payrollNumber;
}
public decimal PayrollYear
{
get { return _payrollYear; }
set { _payrollYear = value; }
}
public string PayEntityCode
{
get { return _payEntityCode; }
set { _payEntityCode = value; }
}
public string PayrollNumber
{
get { return _payrollNumber; }
set { _payrollNumber = value; }
}
Your Payroll class needs a constructor that takes no parameters e.g.
Public Payroll() { }
Linq works by creating an empty instance of the output class and then using the setters on each of the properties. It does not use anything but an empty constructor.
I am creating a dataGridView which gets its values from an arrayList. To retrieve the values, I have:
public DataSet(String totalCM, String totPM, String hkCM, String hkPM, String sherCM, String sherPM, String hinsCM, String hinsPM, String kassCM, String kassPM, String belleCM, String bellePM)
{
_totalCM = totalCM;
_totalPM = totPM;
_hiddenKnollsCM = hkCM;
_hiddenKnollsPM = hkPM;
_sherCM = sherCM;
_sherPM = sherPM;
_hinsdaleCM = hinsCM;
_hinsdalePM = hinsPM;
_kassonCM = kassCM;
_kassonPM = kassPM;
_belleCM = belleCM;
_bellePM = bellePM;
}
public String TotalCurrentMonth
{
get { return _totalCM; }
}
public String TotalPreviousMonth
{
get { return _totalPM; }
}
public String HiddenKnollsCurrentMonth
{
get { return _hiddenKnollsCM; }
}
public String HiddenKnollsPreviousMonth
{
get { return _hiddenKnollsPM; }
}
public String SherwoodCurrentMonth
{
get { return _sherCM; }
}
public String SherwoodPreviousMonth
{
get { return _sherPM; }
}
public String HinsdaleCurrentMonth
{
get { return _hinsdaleCM; }
}
public String HinsdalePreviousMonth
{
get { return _hinsdalePM; }
}
public String KassonCurrentMonth
{
get { return _kassonCM; }
}
public String KassonPreviousMonth
{
get { return _kassonPM; }
}
public String BelleIsleCurrentMonth
{
get { return _belleCM; ; }
}
public String BelleIslePreviousMonth
{
get { return _bellePM; }
}
}
How do I go about creating custom column headers for this, as they need to have a space? Probably a really dumb question, but could not find much information about this specific issue. I know that you can modify the properties in the collection of column names, but it just seems to create new column header names based off of the accessor methods in the code. Thanks in advance.
Well, if you're using .NET 2+ you can use the DisplayNameAttribute Class.
Use in on your properties to specify the string used in the column headers of your DGV; otherwise the property name will be used (as you see).
And if you're using .NET 2+ you shouldn't be using an ArrayList, use a List<T> instread.