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  • Accessing .NET functionality from a macro in a VSTO Excel workbook

    - by Daniel DiPaolo
    A while back, I built an Excel workbook for someone else using VSTO SE, and there's functionality in the accompanying DLL that they'd like to be able to use in a VB macro in the workbook. Short of rebuilding the workbook with a control that does what they want, is there a way they can just hook into the necessary function somehow via some sort of macro call? Does the macro have any sort of visibility into the functionality within the VSTO-built DLL that is associated with the workbook?

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  • Simplify CASE in VB.net code

    - by StealthRT
    Hey all, i am looking here to see if anyone would have a better way to acomplish this task below in less code. Select Case mainMenu.theNumOpened Case 1 Me.Text = "NBMsg1" Me.SetDesktopLocation(My.Computer.Screen.WorkingArea.Width - 302, 5) Case 2 Me.Text = "NBMsg2" Dim hwnd As IntPtr = FindWindow(vbNullString, "NBMsg1") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, Me.Height + 10, 0, 0, 1) Me.SetDesktopLocation(My.Computer.Screen.WorkingArea.Width - 302, 5) Case 3 Me.Text = "NBMsg3" Dim hwnd As IntPtr = FindWindow(vbNullString, "NBMsg2") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, Me.Height + 10, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg1") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 2) + 15, 0, 0, 1) Me.SetDesktopLocation(My.Computer.Screen.WorkingArea.Width - 302, 5) Case 4 Me.Text = "NBMsg4" Dim hwnd As IntPtr = FindWindow(vbNullString, "NBMsg3") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, Me.Height + 10, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg2") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 2) + 15, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg1") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 3) + 20, 0, 0, 1) Me.SetDesktopLocation(My.Computer.Screen.WorkingArea.Width - 302, 5) Case 5 Me.Text = "NBMsg5" Dim hwnd As IntPtr = FindWindow(vbNullString, "NBMsg4") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, Me.Height + 10, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg3") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 2) + 15, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg2") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 3) + 20, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg1") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 4) + 25, 0, 0, 1) Me.SetDesktopLocation(My.Computer.Screen.WorkingArea.Width - 302, 5) Case 6 Me.Text = "NBMsg6" Dim hwnd As IntPtr = FindWindow(vbNullString, "NBMsg5") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, Me.Height + 10, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg4") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 2) + 15, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg3") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 3) + 20, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg2") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 4) + 25, 0, 0, 1) hwnd = FindWindow(vbNullString, "NBMsg1") SetWindowPos(hwnd, 0, My.Computer.Screen.WorkingArea.Width - 302, (Me.Height * 5) + 30, 0, 0, 1) Me.SetDesktopLocation(My.Computer.Screen.WorkingArea.Width - 302, 5) Case Else Me.Close() Me.Dispose() End Select What it does is pass to it now many windows are currently already opened. So if one then of course it goes to case 1. If there are 2 opened then it moves the oldest down and puts the newest on top. etc etc. I have set it so that a max of 6 boxes can only be opened at one time. If anyone knows how i could also "slide" them down (kinda like an effect of jQuery) then that would also be, well awesome to know! :o) Any help/suggestions would be great! :o) David

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  • ASP.NET Projects with Two Versions of AjaxControlToolkit

    - by Chris
    In my Solution I have three projects. Project A is a web app and uses version 1.0.10618.0 of the AjaxControlToolkit. I would love to upgrade it to the latest but unfortunately any newer release completely breaks a portion of my site. Project B is also a web app but is a completely new software product and so it uses (and relies on) the latest version of the AjaxControlToolkit. Everything works great. Thought A and B are totally different products they use the same DB and rely on the same ClassLibrary. Project C is a small web app that ties A and B together with certain functionality like forgot password pages. The pages in this app reside in a virtual directory of both A and B. Project C currently uses v1.0.10618.0 of the toolkit so it works with Project A but it fails with project B because the manifest definitions of the dlls don't match (to be expected). What I've done is built a new dll of the toolkit and changed the assembly and namespace to AjaxControlToolkit_v1 and then changed all v1 references to this new dll so the old version and new versions can sit side by side in the same bin folder and nobody complains. I then changed my web.config controls tag to look like this: <add tagPrefix="ajaxToolkit" namespace="AjaxControlToolkit_v1" assembly="AjaxControlToolkit_v1, Version=1.0.10618.0, Culture=neutral, PublicKeyToken=28f01b0e84b6d53e"/> This all works except I get a runtime error of: Unknown server tag 'ajaxToolkit:AnimationExtender'. I can't figure out why this is, any ideas on how to remedy it?

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  • Best practices in ASP.Net code behind pages.

    - by patricks418
    Hi, I am an experienced developer but I am new to web application development. Now I am in charge of developing a new web application and I could really use some input from experienced web developers out there. I'd like to understand exactly what experienced web developers do in the code-behind pages. At first I thought it was best to have a rule that all the database access and business logic should be performed in classes external to the code-behind pages. My thought was that only logic necessary for the web form would be performed in the code-behind. I still think that all the business logic should be performed in other classes but I'm beginning to think it would be alright if the code-behind had access to the database to query it directly rather than having to call other classes to receive a dataset or collection back. Any input would be appreciated.

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  • VB.net Debug sqldatareader - immediate window

    - by ScaryJones
    Scenario is this; I've a sqldatareader query that seems to be returning nothing when I try to convert the sqldatareader to a datatable using datatable.load. So I debug into it, I grab the verbose SQL query before it goes into the sqldatareader, just to make sure it's formatted correctly. I copy and paste this into SQL server to run it and see if it returns anything. It does, one row. I go back to visual studio and let the program continue, I create a datatable and try to load the sqldatareader but it just returns an empty reader. I'm baffled as to what's going on. I'll copy a version of the code (not the exact SQL query I'm using but close) here: Dim cn As New SqlConnection cn.ConnectionString = <connection string details here> cn.Open() Dim sqlQuery As String = "select * from Products where productid = 5" Dim cm As New SqlCommand(sqlQuery, cn) Dim dr As SqlDataReader = cm.ExecuteReader() Dim dt as new DataTable dt.load(dr) dt should have contents but it's empty. If I copy that SQL query into sql server and run it I get a row of results. Any ideas what I'm doing wrong? ######### UPDATE ############ I've now noticed that it seems to be returning one less row than I get with each SQL query. So, if I run the SQL myself and get 1 row then the datatable seems to have 0 rows. If the query returns 4 rows, the datatable has 3!! Very strange, any ideas anyone?

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  • Error using ASP.NET 3.5 Chart control within a Repeater control

    - by tuseau
    Hi, I'm getting the error "Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: Error executing child request for ChartImg.axd" at runtime from my Chart control. I have read one solution to this error message as documented here: http://social.msdn.microsoft.com/Forums/en-US/MSWinWebChart/thread/1dc4b352-c9a5-49dc-8f35-9b176509faa1/ but this does not solve my problem. I have the Chart within a Repeater control, which is within an ajax UpdatePanel. When I take the chart out of the Repeater (but leave it in the UpdatePanel), it works. So I'm thinking it is to do with the Repeater. Anyone got any ideas? Thanks in advance.

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  • ASP.NET GridView - Editing Dynamic Template Columns

    - by user208662
    Hello, I have created a GridView whose columns are dynamically created based on my data source. I have implemented these columns by using the approach described here.Those columns display properly on the initial load. However, I need to implement commanding so that a user can edit / delete a row in the GridView. At this point, I have implemented commanding as I would with a normal GridView. I have a TemplateField with an ItemTemplate that has LinkButton elements for edit and delete. The CommandName for each LinkButton is set to either Edit or Delete respectively. Oddly, when a user clicks either the Edit or Delete link, the data in the GridView disappears. However, I have verified that I am in fact re-binding the data when one of these LinkButton elements is selected. Can anyone provide some suggestions as to what the cause could be? Thank you!

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  • Tutorials for .NET database app using SQLite

    - by ChrisC
    I have some MS Access experience, and had a class on console c++ apps, now I am trying to develop my first program. It's a little C# db app. I have the db tables and columns planned and keyed into VS, but that's where I'm stuck. I'm needing C#/VS tutorials that will guide me on configuring relationships, datatyping, etc, on the db so I can get it ready for testing of the schema. The only tutorials I've been able to find either talk about general db basics (ie, not helping me with VS/C#), or about C# communications with an existing SQL db. Thank you. (In case it matters, I'm using the open source System.Data.SQLite (sqlite.phxsoftware.com) for the db. I chose it over SQL Server CE after seeing a comparison between the two. Also I wanted a server-less version of SQL because this little app will be on other people's computers and I want to to do as little support as possible.)

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  • Problem with asp.net function syntax (not returning values correctly)

    - by Phil
    I have an active directory search function: Function GetAdInfo(ByVal ADDN As String, ByVal ADCommonName As String, ByVal ADGivenName As String, ByVal ADStaffNum As String, ByVal ADEmail As String, ByVal ADDescription As String, ByVal ADTelephone As String, ByVal ADOffice As String, ByVal ADEmployeeID As String) As String Dim netBIOSname As String = Me.Request.LogonUserIdentity.Name Dim sAMAccountName As String = netBIOSname.Substring(netBIOSname.LastIndexOf("\"c) + 1) Dim defaultNamingContext As String Using rootDSE As DirectoryServices.DirectoryEntry = New DirectoryServices.DirectoryEntry("LDAP://RootDSE") defaultNamingContext = rootDSE.Properties("defaultNamingContext").Value.ToString() End Using Using searchRoot As DirectoryServices.DirectoryEntry = _ New DirectoryServices.DirectoryEntry("LDAP://" + defaultNamingContext, _ "kingkong", "kingkong", DirectoryServices.AuthenticationTypes.Secure) Using ds As DirectoryServices.DirectorySearcher = New DirectoryServices.DirectorySearcher(searchRoot) ds.Filter = String.Format("(&(objectClass=user)(objectCategory=person)(sAMAccountName={0}))", sAMAccountName) Dim sr As DirectoryServices.SearchResult = ds.FindOne() 'If sr.Properties("displayName").Count = 0 Then whatever = string.empty '' (how to check nulls when required) ' End If ADDN = (sr.Properties("displayName")(0).ToString()) ADCommonName = (sr.Properties("cn")(0).ToString()) ADGivenName = (sr.Properties("givenname")(0).ToString()) ADStaffNum = (sr.Properties("sn")(0).ToString()) ADEmail = (sr.Properties("mail")(0).ToString()) ADDescription = (sr.Properties("description")(0).ToString()) ADTelephone = (sr.Properties("telephonenumber")(0).ToString()) ADOffice = (sr.Properties("physicalDeliveryOfficeName")(0).ToString()) ' ADEmployeeID = (sr.Properties("employeeID")(0).ToString()) End Using End Using Return ADDN Return ADCommonName Return ADGivenName Return ADStaffNum Return ADEmail Return ADDescription Return ADTelephone Return ADOffice ' Return ADEmployeeID 'have commented out employee id as i dont have one so it is throwing null errors. ' im not ready to put labels on the frontend or catch this info yet End Function The function appears to work, as when I put a breakpoint at the end, the variables such as ADDN do have the correct values. Then I call the function in my page_load like this: GetAdInfo(ADDN, ADCommonName, ADGivenName, ADStaffnum, ADEmail, ADDescription, ADTelephone, ADOffice, ADEmployeeID) Then I try to response.write out one of the vars to test like this: Response.Write(ADDN) But the value is empty. Please can someone tell me what I am doing wrong. Thanks

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  • ASP.NET - deploying chart control

    - by Bart
    HEllo, im using chart control in my website and locallly everything works correctly, but when i try to deploy, the page with chart doesn't work. i found some kind of solution here: http://stackoverflow.com/questions/807170/does-the-new-aspchart-control-need-to-be-installed-on-the-server-or-can-it-be-u but i don't know which dll should i copy and where can i find that bin folder? Cheers, Bart

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  • ASP.NET/C# - Deserialize XML, XSD.exe created multiple classes

    - by Barryman9000
    I'm trying to deserialize some XML (returned from a web service) into an object that I created using XSD.exe. The XSD executable created a .CS file with a different partial class for each parent node in the XML. For Example, the beginning of the XML looks like this (why can't I post xml here? sorry, this is ugly): <disclaimer><notificationDescription>Additional charges will apply.</notificationDescription></disclaimer><quote><masterQuote></masterQuote></quote> And the Class generated by the XSD.exe has a partial class named disclaimer with a get; set; string for notificationDescription. And another partial class for quoteMasterQuote with the corresponding child nodes as public strings. How can I deserialize this XML file into multiple classes? I found this code, but it seems like it'll only work for one object. public static PricingResponse2 DeSerialize(string _xml) { PricingResponse2 _resp = new PricingResponse2(); StringReader _strReader = new StringReader(_xml); XmlSerializer _serializer = new XmlSerializer(_resp.GetType()); XmlReader _xmlReader = new XmlTextReader(_strReader); try { _resp = (PricingResponse2)_serializer.Deserialize(_xmlReader); return _resp; } catch (Exception ex) { string _error = ex.Message; throw; } finally { _xmlReader.Close(); _strReader.Close(); _strReader.Dispose(); } } This is the first time I've tried this, so I'm a little lost.

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  • ASP.NET MembershipProvider and StructureMap

    - by Ben
    I was using the default AspNetSqlMembershipProvider in my application. Authentication is performed via an AuthenticationService (since I'm also supporting other forms of membership like OpenID). My AuthenticationService takes a MembershipProvider as a constructor parameter and I am injecting the dependency using StructureMap like so: For<MembershipProvider>().Use(Membership.Provider); This will use the MembershipProvider configured in web.config. All this works great. However, now I have rolled my own MembershipProvider that makes use of a repository class. Since the MembershipProvider isn't exactly IoC friendly, I added the following code to the MembershipProvider.Initialize method: _membershipRepository = ObjectFactory.GetInstance<IMembershipRepository>(); However, this raises an exception, like StructureMap hasn't been initialized (cannot get instance of IMembershipRepository). However, if I remove the code and put breakpoints at my MembershipProvider's initialize method and my StructureMap bootstrapper, it does appear that StructureMap is configured before the MembershipProvider is initialized. My only workaround so far is to add the above code to each method in the MembershipProvider that needs the repository. This works fine, but I am curious as to why I can't get my instance in the Initialize method. Is the MembershipProvider performing some internal initialization that runs before any of my own application code does? Thanks Ben

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  • .NET OwnerDraw ComboBox: Vista/7 themed DropDownList

    - by Stijn
    I'm working on a custom ComboBox for a project, and have the basic painting working. One of the remaining things to do is make it look like the default ComboBox in Vista and 7, when the DropDownStyle is set to DropDownList (looks like a button instead of a regular ComboBox). I read much about VisualStyleRenderer, read ComboBox.cs and ComboBoxRenderer.cs, and tried to get it working. It works in the sense of, it does something. It just doesn't do what it's supposed to do. I also found an article about Vista themed Owner-Drawn Buttons, but it is in C++ (which would be a challenge on its own for me) and it seems like an awful lot of code. If anyone could supply either VB or C# code, that would be great. Below is my current code. Public Sub New() DrawMode = Windows.Forms.DrawMode.OwnerDrawFixed ItemHeight *= 2 DropDownStyle = ComboBoxStyle.DropDownList End Sub Protected Overrides Sub OnDrawItem(ByVal e As System.Windows.Forms.DrawItemEventArgs) If e.Index = -1 Then Return End If If Not (e.State = DrawItemState.Selected) Then e.DrawBackground() End If Dim brsh As Brush If (e.State And DrawItemState.Focus) = DrawItemState.Focus And (e.State And DrawItemState.Selected) = DrawItemState.Selected Then brsh = SystemBrushes.HighlightText Else brsh = SystemBrushes.ControlText End If e.DrawFocusRectangle() e.Graphics.DrawString(Items(e.Index), e.Font, brsh, e.Bounds) End Sub

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  • JSOn.Net library JsonConvert

    - by ozsenegal
    I'm using http://json.codeplex.com library.Im trying to convert XML to JSON and vice-versa. However they have an example,using "JsonConvert" class XmlDocument doc = new XmlDocument(); doc.LoadXml(xml); string jsonText = JsonConvert.SerializeXmlNode(doc); I cant find "JsonConvert" in namespace "Newtonsoft.Json".Only class i've found is "JavaScriptConvert". Any ideas?

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  • Implementing Security on custom BCS/.net class?

    - by Michael Stum
    I'm implementing a custom BCS Model to get data from a backend system. As the backend uses it's own user management, I'm accessing it through a service account. All of this works well and allows me to pull data into SharePoint. However because it's channeled through the service account, everyone can access it, which is bad. Can anyone give me some tips which method to implement? The backend does not give me NT ACLs, but I wonder if I could just "fake" them somehow? (Essentially saying "This NT Group has Read Access" is good enough). I am aware of ISecurityTrimmer2 for Search Results, but ideally I want to cover security inside the BCS Model so that it applies to external lists as well. I want to avoid using Secure storage and mapping each individual user to the backend.

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  • .NET SerialPort DataReceived event thread interference with main thread

    - by Kiran
    I am writing a serial communication program using the SerialPort class in C# to interact with a strip machine connected via a RS232 cable. When i send the command to the machine it responds with some bytes depending on the command. Like when i send a "\D" command, i am expecting to download the machine program data of 180 bytes as a continous string. As per the machine's manual, it suggests as a best practice to send an unreognized characters like comma (,) character to make sure the machine is initialized before sending the first command in the cycle. My serial communication code is as follows: public class SerialHelper { SerialPort commPort = null; string currentReceived = string.Empty; string receivedStr = string.Empty; private bool CommInitialized() { try { commPort = new SerialPort(); commPort.PortName = "COM1"; if (!commPort.IsOpen) commPort.Open(); commPort.BaudRate = 9600; commPort.Parity = System.IO.Ports.Parity.None; commPort.StopBits = StopBits.One; commPort.DataBits = 8; commPort.RtsEnable = true; commPort.DtrEnable = true; commPort.DataReceived += new SerialDataReceivedEventHandler(commPort_DataReceived); return true; } catch (Exception ex) { return false; } } void commPort_DataReceived(object sender, SerialDataReceivedEventArgs e) { SerialPort currentPort = (SerialPort)sender; currentReceived = currentPort.ReadExisting(); receivedStr += currentReceived; } internal int CommIO(string outString, int outLen, ref string inBuffer, int inLen) { receivedStr = string.Empty; inBuffer = string.Empty; if (CommInitialized()) { commPort.Write(outString); } System.Threading.Thread.Sleep(1500); int i = 0; while ((receivedStr.Length < inLen) && i < 10) { System.Threading.Thread.Sleep(500); i += 1; } if (!string.IsNullOrEmpty(receivedStr)) { inBuffer = receivedStr; } commPort.Close(); return inBuffer.Length; } } I am calling this code from a windows form as follows: len = SerialHelperObj.CommIO(",",1,ref inBuffer, 4) len = SerialHelperObj.CommIO(",",1,ref inBuffer, 4) If(inBuffer == "!?*O") { len = SerialHelperObj.CommIO("\D",2,ref inBuffer, 180) } A valid return value from the serial port looks like this: \D00000010000000000010 550 3250 0000256000 and so on ... I am getting some thing like this: \D00000010D,, 000 550 D,, and so on... I feel that my comm calls are getting interferred with the one when i send commands. But i am trying to make sure the result of the comma command then initiating the actual command. but the received thread is inserting the bytes from the previous communication cycle. Can any one please shed some light into this...? I lost quite some hair just trying to get this work. I am not sure where i am doing wrong

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  • Removing all assemblies from <compilation><assemblies> in ASP.NET 4 web.config

    - by Merritt
    I removed all the 'add' elements in the compilation/assemblies element. So initially in my application's root web.config file: <compilation debug="true" targetFramework="4.0"> <assemblies> <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add assembly="System.ComponentModel.DataAnnotations, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add assembly="System.Web.DynamicData, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/> <add assembly="System.Data.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/> <add assembly="System.Web.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/> <add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/> </assemblies> </compilation> Now it looks like: <compilation debug="true" targetFramework="4.0"> <assemblies> </assemblies> </compilation> And my application still works. The project file still has all the references I removed, but this section appears to be unused during compilation (inside visual studio). What is going on?

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  • How to cache method results in .Net

    - by SP
    Using webmethods, caching the results is pretty straight forward using "CacheDuration" attribute. Is there a similar "easy" way to cache non-webmethod outputs (or static methods) based on the parameters? I would appreciate any help. Thanks in advance!

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