.NET XML Web Service Returned Collection As An Array?
Mar 21, 2012
I am working with an XML web service using VB.NET, created using VS 2010. One of my web methods returns a collection(type that inherits from list) of custom objects. It's a simple return statement, it is my understanding that .NET handles most of the tricky protocol stuff as well as serializing/unserialzing of objects.
The issue is in my consuming application when I get the the return value of the web method that returns a custom collection I get an array of the custom objects. Is this normal behavior? It will be easy enough for me to take that array and insert it into a custom collection object but if I could I would like to skip this step.
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Sep 14, 2010
Do you know how to declare a variable that can hold the result of a call to GetFiles?
I don't know how to do this, so I am using the following verbose/duplicative version:
Dim l_v_String_FoundFile As String
If My.Computer.FileSystem.GetFiles("A:u_Au_W", FileIO.SearchOption.SearchAllSubDirectories,
[code].....
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Mar 10, 2012
Do you know how to declare a variable that can hold the result of a call to GetFiles?
I don't know how to do this, so I am using the following verbose/duplicative version:
Dim l_v_String_FoundFile As String
If My.Computer.FileSystem.GetFiles("A:u_Au_W", FileIO.SearchOption.SearchAllSubDirectories, l_v_String_FileMask).Count = 1 Then
[Code].....
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Sep 23, 2009
I have an interesting issue that a client reported It turns out that the desktop application they are using is changing the times returned by the web service to their local time so it looks like the data is off. We're in UTC-5 while they're in UTC-8 so 8:00 AM is returned to the GUI as 5:00 AM which is causing confusion. I've done this riddiculousness to get around it for now:
Code:
Dim intOffset As Integer = TimeZone.CurrentTimeZone.GetUtcOffset(DateTime.Now).Hours
'Substract 1 if we're in daylight savings mode
[code]......
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Jun 1, 2011
Trying to replace Cells(RowIndex,ColumnIndex).Value() calls by row-wise references for performance, I permanently fail at referencing the result. Starting with Excel Interop - Efficiency and performance, which contains the tip to use get_range, i.e.
//get values
object[,] objectArray = shtName.get_Range("A1:Z100").Value2;
iFace = Convert.ToInt32(objectArray[1,1]);
//set values
object[,] objectArray = new object[3,1] {{"A"}{"B"}{"C"}};
rngName.Value2 = objectArray;
[Code]...
However, referencing Values with two dimension indices always returns an "index was outside the bounds of the array" exception. Inspecting the array with the debugger shows a nice 2-dimensional array which should has 17 elements on the second dimension, so Value (0,0) should indeed be a valid reference -- but it isn't:
The debugger lets me inspect Value, I can also drill down to Value(0,0) and see the correct value, but re-evaluating just that element, i.e. inspecting "Value (0,0)" returns above message.
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Apr 21, 2009
I'm trying to access the Count Property on the array of rows returned by the datatables select method, this is after converting the Web Project to 3.5
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Feb 15, 2012
I currently have the following bits of
[code]...
I want to add an array to the class `StopwatchStorage` but can't figure out how without some ambiguous warning or error popping up. The Array will contain TimeSpan type elements (essentually an array of Stopwatch.Elapsed values)
How do I declare and add a dynamically sized array to the class. I know that I will have to use the UBound function each time I want to add a new array.
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Jan 7, 2010
I have 5 pictureboxes on my form and would like to but then in a collection or array to use them in a loop. I would like to use the FOR EACH loop... but how..
Th pictureboxes are placed in a Table. Here is my code so far.
Dim TableHeaders As String() = {"PERIOD", "GRADE", "SUBJECTS", "POSSIBLE ATTENDANCE", "ACTUAL ATTENDANCE", "% ATTENDANCE", "DISTICTIONS", "NUMBER ENROLLED", "STUDENTS WRITTEN", "STUD PASSED", "% RETAINING", "% PASSED", "TERM MARK", "NAT AVERAGE"}
[Code]...
It says that PictureBox is a type and can not be used as an expression, so how do i do it?
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Jun 11, 2011
Let say i have 10 properties of bindingsource.The names are: bindingsource1, bindingsource2, bindingsource3, ....., bindingsource10
i want to develop a code using loop for these properties.[code]...
Is it possible to replace the number in the bindingsource with i?[code]...
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Oct 17, 2008
Working on a project that tests up to 16 PC boards. The test routines are on a a backgroundworker thread. I want each PC board to perform the test routine on its own thread, so I would need up to 16 backgroundworkers.How do I go by doing this? Do I put 16 Backgroundworkers on the form? I tried to do it programmatically but I can't declare an array of backgroundworkers because withevents variables can't be typed as arrays. I guess I just need a kick in the right direction.
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Jan 12, 2010
I have a group of boxes witch will all hold data input by the user. I am using an arraylist to store these, or atleast I am hoping to. So, the problem I have is getting the data to actually save to the arraylist. It keeps giving the error saying that type string cannot be converted to array list.
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Jul 6, 2010
I have a collection which I wish to retrieve an array from in .NET 2.0. In other words, I want to convert a collection into an array. So far I have the following:
Public Class Set(Of T)
Implements IEnumerable(Of T)
Implements ICollection(Of T[code]....
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Jan 29, 2012
I want to know how can I possibly copy a table with multiple columns and rows into an Array or Collection in VB.NET.I want to know the best solution because I want to use the code for 2 different tables and do some comparisons, and the second table has too many records.I was wondering if in VB.NET there is something similar to Hashmap used in java and a table could look like the following
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Dec 21, 2011
How do I Display A HashSet As Either A Collection or an Array in the PropertyGrid.I wish there was some Attribute that allow me to display IEnumerable as an Array...but so far my attempts to do that have failed!My current solution is unacceptable in the new places I want to use it in
[Code]...
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Mar 17, 2010
I am using 2 dimensional arrays for my work. My problem working with them they are incredibly slow for my work. I am starting the array with randomly assigning values (non zero) to the array. Most of the array values are zeros as shown in below form (e.g. 5 x 5):
[Code]...
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Sep 2, 2009
I have a string array called m_DirFileList and a collection called myFileCollection. I'm trying to loop through the items in the collection and store each one in the string array. It's not working though.
[code]...
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Sep 28, 2009
I have a string array called m_DirFileList and a collection called myFileCollection. I'm trying to loop through the items in the collection and store each one in the string arrayIt's not working though. This is what I'm trying to do:
Dim myFileCollection As Collection = clsFTPClientClass.GetFileList(fileFilter, True)
intItems = clsFTPClientClass.GetFileList(fileFilter, True).Count()
[code].....
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Jun 8, 2012
I want to create a strongly typed multidimensional array or collection containing the following values from a database:[code]
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Jun 2, 2011
I tried this
vb
Dim matches As String() = Regex.Matches(tmpFieldContent, strEmail).Cast(Of Match)().ToArray()
But it didn't work, as vb says
'Cast' is not a member of System.Text.RegularExpressions.MatchCollection'.
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Jan 29, 2010
Is it possible to have a two-dimensional array/list/collection such as the following. The first dimension is to have 2 elements, 0 and 1. The second dimension I would like to be able to have a different number of elements for each of the elements in the first dimension. To explain better, I'd like X in array (0, X) to go up to say 4 and Y in array(1, Y) to only go up to say 2.
So there would be:
array(0,0)
array(0,1)
array(0,2)
array(0,3)
array(0,4)
array(1,0)
array(1,1)
array(1,2)
But no array(1,3) or array(1,4).
I'd also need to be able to use Redim Preserve to increase the size of the second dimension for each of the first dimension's elements.
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Jun 20, 2011
I have a parameterized query that displays the info (name, phone number, email addy) in detailed text boxes vice a normal DGV. I have coded a button to open outlook and populate the email address, but what I would like to do is have the user click another button that would add each email address into an array or collection from the desired records. Then, when they added all desired recipients to this "collection" they would hit the email button, which would open up outlook with the To: box already populated.*
I have looked into dynamic arrays , generic and special collections but am not sure what the best way forward is. When using the dynamic arrays I didn't really get anywhere, I couldn't seem to figure out how to redim with each addition of an email address.
Dim emaillist() As String
Dim listings As Double
Dim addy As String
[Code].....
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Apr 11, 2011
I created a custom class for a custom object. I instantiate like so[code]...
Now, I have two problems. First, right now this is just overwriting the same object properties, again, and again. I need to somehow dynamically name the object. Then, I need to place these objects in an array so I can iterate through them...
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Mar 5, 2012
I am working on my first VB application and have run into a problem. I am trying to loop through some data and displaying them in labels. I am using a for-each loop but end up with different row with the same labelname. What I would like to do, is to assign a number to the labelname (mylabel1, mylabel2,...), but I canīt figure out how, and I cant find anything online that will work. Here are some of the code that I have made, where I could use a solution to my problem...
[Code]...
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Jan 13, 2011
i have collection of data in an array. i need to pass it to web service as an array. how can i do that?
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Oct 27, 2010
I need to bind a textblock.text property to a single element in an observable collection, or array element, and have the text update using the INotifyPropertyChanged or INotifyCollectionChanged, whichever is best.
Most examples describe ways to bind listboxes or other list views to entire collections, but my application needs to update several textblocks on a screen depending on notification of a change in one or more elements of an array.
textblock1.Text = MyArray(0)...
textblock2.Text = MyArray(1)...
textblock3.Text = MyArray(2)...
textblock4.Text = MyArray(3)...
Is it possible to bind a single textblock to a single array element? Is it possible to get notification of the proper type that will update one or more of the textblocks if any assigned element changes?
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Jul 14, 2011
i have a Windows service that is hosting a WCF service through net.tcp and this is working great. I have also created a WCF service application. I am trying to add the net.tcp service reference to the service application. Then I add it to the GAC that goes ok but if I try to RegAsm the WCF service application to allow it to be called from Server.CreateObject I get the error:
Warning: Type library exporter encountered a type that derives from a
generic class and is not marked as
[ClassInterface(ClassInterfaceType.None)]. Class interfaces cannot be
exposed for such types. Consider marking the type with
[ClassInterface(ClassInterfaceType.None)] and exposing an explicit
interface as the default interface to COM using the
ComDefaultInterface attribute.
It does not work. I have tried to call it through a class library but this does not work either as the end point is not set correctly.
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Jul 6, 2010
I'm using a web service programmed in Visual Basic .NET 3.5 to receive a JSON Array sent from other application.
I'm sending a JSON string like this one:
[{"idRecoleccion":1,"PIN":"553648138"},{"idRecoleccion":2,"PIN":"553648138"}]
And I'm receiving the code in Visual Basic .NET as follows:
[code]...
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Feb 20, 2009
When I try to communicate with my web service I get this error server was unable to process request. ---> Input array is longer than the number of columns in this table. [code]
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Aug 4, 2011
I have a specific problem that I have not yet found an answer to. Basically I need to pass a list of numbers into a function do some math and return them. I can pass one number at a time without a problem, however when I want to pass in an array I start to have issues. My VB.net code looks like this...
[Code]...
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Feb 3, 2010
I have a VB2008 application which can control a windows service i.e. start, stop, pause etc. This runs ok on a Windows XP machine but not on a Win 7 machine (message is - Service error cannot open <service name> service on computer '.') ( if I stop the UAC then it runs ok ). It seems to be a rights issue,
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