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  • Cache in asp.net

    - by newperson
    Cache.Insert("lstDownload", GetListDownload(), null, DateTime.Now.AddDays(1), TimeSpan.Zero); when will cache be exprired? what will we receive when cache expired? http://stackoverflow.com/questions

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  • ASP.NET MVC CHECKBOXES PROBLEM

    - by mazhar
    CONTROLLER public ActionResult Index() { GroupRepository grouprepository = new GroupRepository(); ViewData["Group"] = grouprepository.FindGroups(); return View(); } <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage" % <% foreach (Group i in ViewData["Group"] as List) { % " checked="checked" / <% } % The thing is that it is not able to find group id and displaying the following error. What is the solution? CS1061: 'System.Text.RegularExpressions.Group' does not contain a definition for 'int_GroupId' and no extension method 'int_GroupId' accepting a first argument of type 'System.Text.RegularExpressions.Group' could be found (are you missing a using directive or an assembly reference?)

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  • .NET dynamic listbox

    - by Mike
    What I wanted to do was create a listbox from a delimited text file. The listbox would populate X # of rows based on the rows of the text file. And the listbox would have 3 columns, each being populated from a specific delimiter. Is this possible in C#? Any starting point would be great!

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  • Render dropdown as text for particular action in ASP.NET MVC

    - by Dan
    I have a partial view that I use for editing and creating my models. When a user is editing the model, I would like a particular drop-down to be rendered as text as I don't want them to change it. A read-only drop-down would suffice, but I'd prefer text. I'm thinking I can accomplish this via an extension method, but I'm not quite sure how to get started. Any help would be appreciated!

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  • [NET] Reflection

    - by pipiscrew
    using : Dim a As [Assembly] = [Assembly].LoadFile("C:\test.exe") Dim testTP As Type testTP = a.GetType("SplashScreen", True, True) obj1 = Activator.CreateInstance(withoutFOR) obj1.show() my prog made reflection to test.exe SplashScreen loaded , also obj1 filled when SplashScreen disposed - MainForm loaded the obj1 isnothing! when try to access obj1 VS say : AccessibilityObject = {"Cannot access a disposed object. Object name: 'SplashScreen'."} I want always obj1 filled from the active form!! how????

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  • Conversion of Single to two UInt16 values in .net

    - by Gio
    In the good old days of C. I could cast a float to an int (assuming 32 bit system), do some bit manipluation ( bitwise and, right shift, ect ), and get the upper and lower 16 bit hex representations of the floating point number, which I could then store in two short values. I'm not seeing an easy way of doing this in C#. System.Convert.ToUInt16 just does a float to int convert (even after I shift right), which leaves a vlaue of 0 if the float is less than 0, which is not the desired effect. //useless leaves me witg a value 0f 0 UIN16 s1 = (UInt16)((System.Convert.ToUInt32(d2) & 0xffff0000) >> 16); //capture the high word UInt16 s2 = (UInt16)(System.Convert.ToUInt32(d2) & 0xffff); //capture the low word A basic cast (UInt32) doesn't work either.

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  • .NET Threading : How to wait for other thread to finish some task

    - by Alex Ilyin
    Assume I have method void SomeMethod(Action callback) This method does some work in background thread and then invokes callback. The question is - how to block current thread until callback is called ? There is an example bool finished = false; SomeMethod(delegate{ finished = true; }); while(!finished) Thread.Sleep(); But I'm sure there should be better way

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  • Nullable object must have a value. VB.NET

    - by Glenn05
    I need help. I'm having problem in my program. This is my code on my Business logic layer. Function Load_ItemDetails(ByVal ItemID As String) As Items Dim objItemEnt As New tblitem Dim objitem As New Items Try Using da = New DataAccess objItemEnt = da.Load_ItemDetails(ItemID) With objitem .ItemCode = objItemEnt.ItemCode .ItemName = objItemEnt.ItemName .Description = objItemEnt.Description .NameofType = objItemEnt.NameofType .TypeofPricing = objItemEnt.TypeofPricing .OnStock = objItemEnt.OnStock .ItemPrice = objItemEnt.ItemPrice .DateModified = objItemEnt.DateModified End With Return objitem End Using Catch ex As Exception Throw End Try End Function This code is for my data access layer. Public Function Load_ItemDetails(ByVal ItemCode As String) Dim objitem As New tblitem Try Using entItem = New DAL.systemdbEntities1 Dim qryUsers = From p In entItem.tblitems Where p.ItemCode = ItemCode Select p Dim luser As List(Of tblitem) = qryUsers.ToList If luser.Count > 0 Then Return luser.First Else Return objitem End If End Using Catch ex As Exception Throw End Try End Function` For my Presentation layer: Private Sub Load_Item_Detail(ByVal ItemCode As String) objItem = New Items Using objLogic = New LogicalLayer objItem = objLogic.Load_ItemDetails(ItemCode) With objItem Me.ItemCodetxt.Text = .ItemCode Me.ItemNametxt.Text = .ItemName Me.ItemDesctxt.Text = .Description Me.ItemTypetxt.Text = .NameofType Me.ItemPricetxt.Text = .TypeofPricing Me.ItemOnstocktxt.Text = CStr(.OnStock) Me.ItemPricetxt.Text = CStr(.ItemPrice) Me.TextBox1.Text = CStr(.DateModified) Me.ItemCodetxt.Tag = .ItemCode End With End Using End Sub` and after I run, I get this error Nullable object must have a value help me. I'm stuck. I don't know what to do guys. I new in n tier architecture.

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  • .Net using Chr() to parse text

    - by Marcx
    I'm building a simple client-server chat system. The clients send data to the server and the server resends the data to all the other clients. I'm using the TcpListener and Network stream classes to send the data between the client and the server. The fields I need to send are, for example: name, text, timestamp, etc. I separate them using the ASCII character 29. I'm also using ASCII character 30 to mark the end of the streamed data. The data is encoded with UTF8.. Is this a good approach? Will I run into problems? Are there better methods? UPDATE: Probably my question was misunderstood, so I explain it better.. Suppose to have a list of data to send from client to server, and suppose to send all the data in only one stream, how do you send these data? Using a markup Using a character as a delimiter Using a fixed length for every fields

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  • Table Adapter query Builder ASP.NET

    - by kmsony32
    I want to connect my Table adapter with the Oracle, for that I am preparing a sql query with the query builder. The query which is running fine in Oracle but makes syntax error with query builder.It shows unable to parse the query text. I am using case statement and joins within the query.

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  • ASP.NET MVC subdomain shows folder name

    - by Paul
    Hi, I'm using godaddy shared hosting, with IIS7, Integrated mode, and published up a bog standard MVC2 app to dev.lazygekko.com created with Visual Web Developer 2010. It all works, however when any of the links are clicked, they point to dev.lazygekko.com/dev/..., dev being the folder it is pointing at. Can anyone shed some light on what I may be doing wrong? Many thanks.

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  • ASP.NET MVC 2 A question about an Asynchronous Controller

    - by Tony
    Hi, I'm wondering about one thing - let's assume that the user clicks a button, and the asynch controller's action is invoked. What happens, when the asynchronous action takes e.g. 10 seconds? The user has to wait 10 seconds to view the result of the action? If so, are the asynch controllers really helpful ?

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  • ASP.NET javascript embed in template column

    - by Mahesh
    Hi, I am developing a web page in which a rad grid displays the list of exams. I included a template column which shows count down timer when the exam is going to expire. Code is as given below: <telerik:RadGrid ID="radGrid" runat="server" AutoGenerateColumns="false"> <MasterTableView> <Columns> <telerik:GridTemplateColumn HeaderText="template" DataField="Date"> <ItemTemplate> <script language="JavaScript" type="text/javascript"> TargetDate = '<%# Eval("Date") %>'; BackColor = "white"; ForeColor = "black"; CountActive = true; CountStepper = -1; LeadingZero = true; DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds."; FinishMessage = "It is finally here!"; </script> <script language="JavaScript" src="http://scripts.hashemian.com/js/countdown.js" type="text/javascript"></script> </ItemTemplate> </telerik:GridTemplateColumn> </Columns> </MasterTableView> </telerik:RadGrid> I am giving DataTable as datasource to this grid. But my problem is , the template column is showing data only for the first record and the value taken is from the last row in the DataTable. For Ex: If I give data as given below, I can see 3 records but with only the first record displaying the counter with last value(10/10/2010 05:43 PM). 02/02/2011 01:00 AM 08/09/2010 11:00 PM 10/10/2010 05:43 PM Could you please help in this?? Thanks, Mahesh

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  • Navigate through .Net Grid

    - by SH
    is there a way to navigate through gird found on this page by passing parameters in query string? http://pubrec3.hillsclerk.com/oncore/search.aspx?bd=01/01/2008&ed=12/31/2008&bt=O&lb=1000000&ub=1000000000&d=5/6/2010&pt=-1&dt=D,%20MTG&st=consideration Or any code suggestion? All example could i need in C#.

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  • Share variable across site ASP.NET

    - by Anders
    I have a class isSearching with a single boolean property in a 'functions' file in my webapp. On my search page, I have a variable oSearchHandler declared as a Public Shared variable. How can I access the contents of oSearchHandler on other pages in my webapp? Code with Session.... 'search.aspx Public Function oSearchString(ByVal oTextBoxName As String) As String For Each oKey As String In Request.Form.AllKeys If oKey.Contains(oTextBoxName) Then Session.Add("searching", True) Session.Add("search-term", Request.Form(oKey)) Return Request.Form(oKey) End If Next Return "" End Function 'theMaster.master <% If Session("searching") Then %><ul style="float: right;"> <li> <div class="gsSearch"> <asp:TextBox ID="searchbox" runat="server"></asp:TextBox> </div> </li> <li> <div class="gsSearch"> <asp:Button ID="searchbutton" runat="server" Text="search" UseSubmitBehavior="true" PostBackUrl="search.aspx" CssClass="searchBtn" /> </div> </li> </ul> <% End If %> I think that the session will work just fine.

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