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  • .NET values lookup

    - by Maciej
    Hi, I have a feeling of missing something obvious. UDP receiver application. It holds a collection of valid UDP sender IPs - only guys with IP on that list will be considered. Since that list must be looked at on every packet and UDPs are so volatile, that operation must be maximum fast. Good choice is Dictionary but it is a key-value structure and what I actually need here is a dictionary-like (hash lookup) key only structure. Is there something like that? Small annoyance rather than a bug but still. I can still use Dictionary Thanks, M.

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  • Get selected value of dropdownlist in asp.net MVC

    - by Xulfee
    how can i get select value of dropdownlist and here is my code which is working fine. var list = new[] { new Person { Id = 1, Name = "Name1" }, new Person { Id = 2, Name = "Name2" }, new Person { Id = 3, Name = "Name3" } }; var selectList = new SelectList(list, "Id", "Name", 2); ViewData["People"] = selectList; <%= Html.DropDownListFor(model => model.Peoples, ViewData["People"] as IEnumerable<SelectListItem>)%>

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  • Open WPD Device in Windows Explorer from .NET

    - by BerndDA
    Hello all. I am currently working on an application for managing a WPD device. I want to add an option to open the wpd device in windows explorer to view the saved files. Problem is that I can't find a way to open explorer pointing to the device's "folder". I have all information of the device (pnp device id, class name, etc.) Anybody knows a solution? Thanks in advance! Bernd

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  • What version of DataAnnotations is included with ASP.NET MVC 2 RTM

    - by Nick Thoresby
    I'm working on a project using Visual Studio 2008 and have moved from the the MVC 2 Preview to RTM version. We would like to use model validation such as: public class ViewModel { [Required(ErrorMessage="UserName is required.")] [StringLength(10, ErrorMessage="UserName cannot be greater than 10 chars.")] public string UserName { get; set; } } [HttpPost] public ActionResult Register(ViewModel model) { if (ModelState.IsValid){} // Always true } However the ModelState.IsValid always returns true. I have a suspicion that it might be something to do with the version of System.ComponentModel.DataAnnotations.dll that we are referencing, currently version 99.0.0.0, which seems rather odd. Does anyone know what version of this dll is included with the MVC 2 RTM for Visual Studio 2008?

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  • asp.net mvc How to test controllers correctly

    - by Simon G
    Hi, I'm having difficulty testing controllers. Original my controller for testing looked something like this: SomethingController CreateSomethingController() { var somethingData = FakeSomethingData.CreateFakeData(); var fakeRepository = FakeRepository.Create(); var controller = new SomethingController(fakeRepository); return controller; } This works fine for the majority of testing until I got the Request.IsAjaxRequest() part of code. So then I had to mock up the HttpContext and HttpRequestBase. So my code then changed to look like: public class FakeHttpContext : HttpContextBase { bool _isAjaxRequest; public FakeHttpContext( bool isAjaxRequest = false ) { _isAjaxRequest = isAjaxRequest; } public override HttpRequestBase Request { get { string ajaxRequestHeader = ""; if ( _isAjaxRequest ) ajaxRequestHeader = "XMLHttpRequest"; var request = new Mock<HttpRequestBase>(); request.SetupGet( x => x.Headers ).Returns( new WebHeaderCollection { {"X-Requested-With", ajaxRequestHeader} } ); request.SetupGet( x => x["X-Requested-With"] ).Returns( ajaxRequestHeader ); return request.Object; } } private IPrincipal _user; public override IPrincipal User { get { if ( _user == null ) { _user = new FakePrincipal(); } return _user; } set { _user = value; } } } SomethingController CreateSomethingController() { var somethingData = FakeSomethingData.CreateFakeData(); var fakeRepository = FakeRepository.Create(); var controller = new SomethingController(fakeRepository); ControllerContext controllerContext = new ControllerContext( new FakeHttpContext( isAjaxRequest ), new RouteData(), controller ); controller.ControllerContext = controllerContext; return controller; } Now its got to that stage in my controller where I call Url.Route and Url is null. So it looks like I need to start mocking up routes for my controller. I seem to be spending more time googling on how to fake/mock objects and then debugging to make sure my fakes are correct than actual writing the test code. Is there an easier way in to test a controller? I've looked at the TestControllerBuilder from MvcContrib which helps with some of the issues but doesn't seem to do everything. Is there anything else available that will do the job and will let me concentrate on writing the tests rather than writing mocks? Thanks

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  • C# ASP.NET update SQL database with values from text boxes

    - by Sir Graystar
    Here's what I have. User enters values into text boxes (personal information etc.) and then presses a save changes button. The values in these text boxes get stored in an SQL database. The problem I have is that when updating the database using the values from the text boxes, the page refreshes and the values in the text boxes are lost (or rather they return to the values that are already in the database as the data from the database is loaded into the text boxes on Page_Load). When I update the database using valuse stored in variables it all works fine. What is the best way to update with the values from the text boxes?

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  • Can't send smtp email from network using C#, asp.net website

    - by Kaysar
    Hi, I have my code here, it works fine from my home, where my user is administrator, and I am connected to internet via a cable network. But, problem is when I try this code from my work place, it does not work. Shows error: "unable to connect to the remote server" From a different machine in the same network: "A socket operation was attempted to an unreachable network 209.xxx.xx.52:25" I checked with our network admin, and he assured me that all the mail ports are open [25,110, and other ports for gmail]. Then, I logged in with administrative privilege, there was a little improvement, it did not show any error, but the actual email was never received. Please note that, the code was tested from development environment, visual studio 2005 and 2008. Any suggestion will be much appreciated. Thanks in advance try { MailMessage mail_message = new MailMessage("[email protected]", txtToEmail.Text, txtSubject.Text, txtBody.Text); SmtpClient mail_client = new SmtpClient("SMTP.y7mail.com"); NetworkCredential Authentic = new NetworkCredential("[email protected]", "xxxxx"); mail_client.UseDefaultCredentials = true; mail_client.Credentials = Authentic; mail_message.IsBodyHtml = true; mail_message.Priority = MailPriority.High; try { mail_client.Send(mail_message); lblStatus.Text = "Mail Sent Successfully"; } catch (Exception ex) { System.Diagnostics.Debug.WriteLine(ex.Message); lblStatus.Text = "Mail Sending Failed\r\n" + ex.Message; } } catch (Exception ex) { lblStatus.Text = "Mail Sending Failed\r\n" + ex.Message; }

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  • Blocking problem, C#, .net, Deserializing XML to object problem

    - by fernando
    Hi I have a blocking problem I have XML file under some url http://myserver/mywebApp/myXML.xml In the below code which I run in Console Application, bookcollection has null Books field :( <books> <book id="5352"> <date>1986-05-05</date> <title> Alice in chains </title> </book> <book id="4334"> <date>1986-05-05</date> <title> 1000 ways to heaven </title> </book> <book id="1111"> <date>1986-05-05</date> <title> Kitchen and me </title> </book> </books> XmlDocument doc = new XmlDocument(); doc.Load("http://myserver/mywebapp/myXML.xml"); BookCollection books = new BookCollection(); XmlNodeReader reader2 = new XmlNodeReader(doc.DocumentElement); XmlSerializer ser2 = new XmlSerializer(books.GetType()); object obj = ser2.Deserialize(reader2); BookCollection books2= (BookCollection)obj; using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { [Serializable()] public class Book { [System.Xml.Serialization.XmlAttribute("id")] public string id { get; set; } [System.Xml.Serialization.XmlElement("date")] public string date { get; set; } [System.Xml.Serialization.XmlElement("title")] public string title { get; set; } } } using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml.Serialization; namespace ConsoleApplication1 { [Serializable()] [System.Xml.Serialization.XmlRootAttribute("books", Namespace = "", IsNullable = false)] public class BookCollection { [XmlArray("books")] [XmlArrayItem("book", typeof(Book))] public Book[] Books { get; set; } } }

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  • ASP.Net Form Databound problems

    - by Jason Bitman
    I know there is a similar problem on this forum, but the solutions did not really work for me. I am populating form controls with fields from a few different data sources, and the data shows up great. I have an ImageButton controlwhich has an OnClick Event set to grab all of the data from the form. Unfortunately, when I click the button, it seems as though the page is reloading first, and THEN is executes the OnClick call. The data that was hand-entered, or hard-coded seems to be pulled fine from the controls it was entered in, but anything that was pulled from a datasource is not able to be read. Any ideas. this is the last hurdle in a project that I have been working on for 6 months. I want to go home... Thank you so much in advance. Jason

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  • ASP.net: Radio Button Not Maintaining Selection After Postback, Inside DIV/Thickbox

    - by jlrolin
    I have a set of radio buttons inside a hidden DIV. <div id="reports" style="display:none;"> <center> <br /> <table cellpadding="4" cellspacing="0"> <tr> <td class="label"> Report Type::&nbsp; </td> <td class="value"> <asp:RadioButton ID="rbReportTypeCust" runat="server" Text="By Customer" Enabled="True" Checked="True" GroupName="rbType" />&nbsp;<asp:RadioButton ID="rbReportTypeProg" runat="server" Text="By Program" Enabled="True" GroupName="rbType" /> </td> </tr> <tr> <td class="label"> Customer:&nbsp; </td> <td class="value"> <asp:DropDownList ID="ddlCustomer" runat="server" /> </td> </tr> <tr> <td class="label"> Program Group::&nbsp; </td> <td class="value"> <asp:DropDownList ID="ddlProgramGroups" runat="server" /> </td> </tr> </table> <br /> <asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClientClick="doPostBack(this);" /> </center> </div> The DIV is displayed using Thickbox as a modal popup. The doPostback javascript function posts the button click back, and hits btnSubmit_Click where a report is then generated. If I see if a radio button is checked, it's always rbReportTypeCust.checked = True, never the rbReportTypeProg.checked = True even if I click it. Any suggestions?

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  • radgridview delete update in asp.net

    - by abhi
    i have written the follwing to display data from the datagrid and den insert new rows but how do i perform update and delete plss help here's my code using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using Telerik.Web.UI; using System.Data.SqlClient; public partial class Default6 : System.Web.UI.Page { string strQry, strCon; SqlDataAdapter da; SqlConnection con; DataSet ds; protected void Page_Load(object sender, EventArgs e) { strCon = "Data Source=MINETDEVDATA; Initial Catalog=ML_SuppliersProd; User Id=sa; Password=@MinetApps7;"; con = new SqlConnection(strCon); strQry = "SELECT * FROM table1"; da = new SqlDataAdapter(strQry, con); SqlCommandBuilder cmdbuild = new SqlCommandBuilder(da); ds = new DataSet(); da.Fill(ds, "table1"); RadGrid1.DataSource = ds.Tables["table1"]; RadGrid1.DataBind(); Label3.Visible = false; Label4.Visible = false; Label5.Visible = false; txtFname.Visible = false; txtLname.Visible = false; txtDesignation.Visible = false; } protected void Submit_Click(object sender, EventArgs e) { Label3.Visible = true; Label4.Visible = true; Label5.Visible = true; txtFname.Visible = true; txtLname.Visible = true; txtDesignation.Visible = true; } protected void Button2_Click(object sender, EventArgs e) { DataSet ds = new DataSet("EmployeeSet"); da.Fill(ds, "table1"); DataTable EmployeeTable = ds.Tables["table1"]; DataRow row = EmployeeTable.NewRow(); row["Fname"] = txtFname.Text.ToString(); row["Lname"] = txtLname.Text.ToString(); row["Designation"] = txtDesignation.Text.ToString(); EmployeeTable.Rows.Add(row); da.Update(ds, "table1"); //RadGrid1.DataSource = ds.Tables["table1"]; //RadGrid1.DataBind(); txtFname.Text = ""; txtLname.Text = ""; txtDesignation.Text = ""; } protected void RadGrid1_DeleteCommand(object source, GridCommandEventArgs e) { } } }

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  • Controller class not available in Add View ASP.NET MVC

    - by Tassadaque
    Hi I have created the following controller i want to add view that should have the data access class UserMagnament.Controller.menuitems but when i add view by right clicking on view folder,it is not showing "UserMagnament.Controller.menuitems" in add data class using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using UserManagement.Models; namespace UserManagement.Controllers { public class menuitems { EvoLetDataContext db1 = new EvoLetDataContext(); public menuitems() { } public IQueryable<UMUserType> menuitems() { return db1.UMUserTypes; //this.Packages = _SysPackage; //this.Modules = _SysModule; } public List<SysPackage> Packages { get; private set; } public List<SysModule> Modules { get; private set; } } public class Default1Controller : Controller { // // GET: /Default1/ public ActionResult Index() { return View(new menuitems()); } } }

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  • WPF/.NET data access models - resource recommendations

    - by jasonk
    We're in the early design/prep phases of transferring/updating a rather large "legacy" 3 tier client-server app to a new version. We’re looking at doing WPF over Winforms as it appears to be the direction Microsoft is pushing development of the future and we’d like the maximize the life cycle/span of the apps. That said during the rewrite we’d like to make as many changes to our data access/presentation model to improve performance as much as possible up front as many. I’ve been doing some research along that vein but the vast majority of the resources I've found that discuss WPF focus only simple data tracking apps or focus on the very basics UI design/controls. The few items that even discuss data presentation are fairly elementary in depth. Are there any books/articles/recommended reading/other resources recommended for development related to large enterprise level business apps? Any “gotchas” that should/could be avoided? General advice to minimize the time underwater

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  • Excel 2010 64 bit can't create .net object

    - by aboes81
    I have a simple class library that I use in Excel. Here is a simplification of my class... using System; using System.Runtime.InteropServices; namespace SimpleLibrary { [ComVisible(true)] public interface ISixGenerator { int Six(); } public class SixGenerator : ISixGenerator { public int Six() { return 6; } } } In Excel 2007 I would create a macro enabled workbook and add a module with the following code: Public Function GetSix() Dim lib As SimpleLibrary.SixGenerator lib = New SimpleLibrary.SixGenerator Six = lib.Six End Function Then in Excel I could call the function GetSix() and it would return six. This no longer works in Excel 2010 64bit. I get a Run-time error '429': ActiveX component can't create object. I tried changing the platform target to x64 instead of Any CPU but then my code wouldn't compile unless I unchecked the Register for COM interop option, doing so makes it so my macro enable workbook cannot see SimpleLibrary.dll as it is no longer regsitered. Any ideas how I can use my library with Excel 2010 64 bit?

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  • REST, HTTP verbs and current development in .NET and silverlight

    - by vtortola
    Hi, I've read several posts in the internet about that Silverlight only supports GET and POST, and that the most of the web browsers too. Is this true? has it changed lately? I'm developing a RESTful web service for a Silverlight application, still in early stage, and I'd like to know if I should use just POST and GET, or otherwise I could use PUT and delete. Cheers

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  • .Net Reflection - Calling unexisting methods

    - by Joaozinho das Couves
    Lets say i call method M1 on class A using reflection. The method does not exist. Is there any way to put a handler on class A that says, "someone is trying to execute method M1"? Or Is it possible to add a method dinamically to a class? I want to add a method M1...Mn that always does MyStaticClass.DoAction("M1...Mn"); Something like: string methodName = "M1". A.AddMethod(methodname,x = MyStaticClass.DoAction(x)); Thanks

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  • Testing SMTP with .net

    - by ListenToRick
    I need to configure a SMTP server for testing my website which sends emails (for registration confirmation etc). I dont actually want the email to be sent, I just want to make sure that my code is correct. So I want to be able to check that the email is placed in a queue folder for example. Can anybody recommend a SMTP server which is easy to configure?

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  • ASP.NET Writing to the Bin directory, access denied when anonymous user

    - by LeeW
    Hi all I have a program that creates a small file in the Bin directory for the purpose of tracking a license (that's the intention), all works fine when debugging but I've just realized that when I run it on a IIS server under the anonymous user account (IUSR) the file isn't created as IUSR only has read permission (I know this is correct but drat!). Can I write to another location under IUSR account or can I run my code under 'Local Service' account? Thanks

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  • ASP.NET Web Custom Controls

    - by Mohit Kumar
    Hello Experts, I am Beginner. I want to study and create custom controls. I have searched on Google but didn't find any good stuff. Could anybody provide me some nice link or explain me that how can I start custom controls. Thanks in advance.

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  • VB.NET - using textfile as source for menus and textboxes

    - by Kenny Bones
    Hi, this is probably a bit tense and I'm not sure if this is possible at all. But basically, I'm trying to create a small application which contains alot of PowerShell-code which I want to run in an easy matter. I've managed to create everything myself and it does work. But all of the PowerShell code is manually hardcoded and this gives me a huge disadvantage. What I was thinking was creating some sort of dynamic structure where I can read a couple of text files (possible a numerous amount of text files) and use these as the source for both the comboboxes and the richtextbox which provovides as the string used to run in PowerShell. I was thinking something like this: Combobox - "Choose cmdlet" - Use "menucode.txt" as source Richtextbox - Use "code.txt" as source But, the thing is, Powershell snippets need a few arguments in order for them to work. So I've got a couple of comboboxes and a few textboxes which provides as input for these arguments. And this is done manually as it is right now. So rewriting this small application should also search the textfile for some keywords and have the comboboxes and textboxes to replace those keywords. And I'm not sure how to do this. So, would this requre a whole lot of textfiles? Or could I use one textfile and separate each PowerShell cmdlet snippets with something? Like some sort of a header? Right now, I've got this code at the eventhandler (ComboBox_SelectedIndexChanged) If ComboBoxFunksjon.Text = "Set attribute" Then TxtBoxUsername.Visible = True End If If chkBoxTextfile.Checked = True Then If txtboxBrowse.Text = "" Then MsgBox("You haven't choses a textfile as input for usernames") End If LabelAttribute.Visible = True LabelUsername.Visible = False ComboBoxAttribute.Visible = True TxtBoxUsername.Visible = False txtBoxCode.Text = "$users = Get-Content " & txtboxBrowse.Text & vbCrLf & "foreach ($a in $users)" & vbCrLf & "{" & vbCrLf & "Set-QADUser -Identity $a -ObjectAttributes @{" & ComboBoxAttribute.SelectedItem & "='" & TxtBoxValue.Text & "'}" & vbCrLf & "}" If ComboBoxAttribute.SelectedItem = "Outlook WebAccess" Then TxtBoxValue.Visible = False CheckBoxValue.Visible = True CheckBoxValue.Text = "OWA Enabled?" txtBoxCode.Text = "$users = Get-Content " & txtboxBrowse.Text & vbCrLf & "foreach ($a in $users)" & vbCrLf & "{" & vbCrLf & "Set-CASMailbox -Identity $a -OWAEnabled" & " " & "$" & CheckBoxValue.Checked & " '}" & vbCrLf & "}" End If If ComboBoxAttribute.SelectedItem = "MobileSync" Then TxtBoxValue.Visible = False CheckBoxValue.Visible = True CheckBoxValue.Text = "MobileSync Enabled?" Dim value If CheckBoxValue.Checked = True Then value = "0" Else value = "7" End If txtBoxCode.Text = "$users = Get-Content " & txtboxBrowse.Text & vbCrLf & "foreach ($a in $users)" & vbCrLf & "{" & vbCrLf & "Set-QADUser -Identity $a -ObjectAttributes @{msExchOmaAdminWirelessEnable='" & value & " '}" & vbCrLf & "}" End If Else LabelAttribute.Visible = True LabelUsername.Visible = True ComboBoxAttribute.Visible = True txtBoxCode.Text = "Set-QADUser -Identity " & TxtBoxUsername.Text & " -ObjectAttributes @{" & ComboBoxAttribute.SelectedItem & "='" & TxtBoxValue.Text & " '}" If ComboBoxAttribute.SelectedItem = "Outlook WebAccess" Then TxtBoxValue.Visible = False CheckBoxValue.Visible = True CheckBoxValue.Text = "OWA Enabled?" txtBoxCode.Text = "Set-CASMailbox " & TxtBoxUsername.Text & " -OWAEnabled " & "$" & CheckBoxValue.Checked End If If ComboBoxAttribute.SelectedItem = "MobileSync" Then TxtBoxValue.Visible = False CheckBoxValue.Visible = True CheckBoxValue.Text = "MobileSync Enabled?" Dim value If CheckBoxValue.Checked = True Then value = "0" Else value = "7" End If txtBoxCode.Text = "Set-QADUser " & TxtBoxUsername.Text & " -ObjectAttributes @{msExchOmaAdminWirelessEnable='" & value & "'}" End If End If Now, this snippet above lets me either use a text file as a source for each username used in the powershell snippet. Just so you know :) And I know, this is probably coded as stupidly as it gets. But it does work! :)

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  • ASP.NET GridView issue with DataFormatString in a BoundField

    - by David
    I have a BoundField in a GridView whose datatype (in MSSQL) is time(7). The format is being displayed as: hh:mm:ss.xxxxxx I want to add a DataFormatString to this boundfield so that the field displays in the format: hh:mm:ss Here is a snippet of the .aspx file that I'm modifying: <asp:BoundField DataField="ProcTime" HeaderText="ProcTime" SortExpression="ProcTime" ApplyFormatInEditMode="true" HtmlEncode="true" DataFormatString="{0:F0}" /> I've tried many different format strings (t, T, d, D, m, etc) but it does not change the format of the boundfield. What am I missing?

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  • How to retrieve checkboxlist values in the controller in asp.net mvc

    - by sukumar
    I am having a form in a view page that looks as below: <form runat="server" id="dcrsubmit"> <asp:CheckBoxList ID="CheckBoxList1" runat="server"> <asp:ListItem>test1</asp:ListItem> <asp:ListItem>test2</asp:ListItem> <asp:ListItem>test3</asp:ListItem> <asp:ListItem>test4</asp:ListItem> <asp:ListItem>test5</asp:ListItem> <asp:ListItem>test6</asp:ListItem> </asp:CheckBoxList> ....other controls </form> Now when the form is posted, I am trying to retrieve the values submitted in the controller as below: [AcceptVerbs(HttpVerbs.Post)] public ActionResult testmethod(FormCollection formValues) { string s = formvalues.get("CheckBoxList1"); . . /* other code */ . } The string value shows null when I submit the form by checking some checkboxes. Is this the way to retrieve the values or am I doing something wrong? And I cannot use html control because all other controls on the form are server controls and I am not sure if I can only make this control a html control. And I am not sure how can I bind the values to it?

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  • where should i encode this html data in an asp.net mvc site

    - by ooo
    here is my view code: <%=Model.HtmlData %> here is my controller code: public ActionResult GetPage() { ContentPageViewModel vm = new ContentPageViewModel(); vm.HtmlData = _htmlPageRepository.Get("key"); return View(vm); } my repository class basically queries a database table that has the fields: id, pageName, htmlContent the .Get() method passes in a pageName (or key) and returns the htmlContent value. Right now i have just started this (haven't persisted anything to the db yet) so i am not doing any explicit encoding in my code now. What is the best practice for where i need to do encoding (in the model, the controller, the view ??)

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