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  • Error after passing variable from jquery to code in c#

    - by Moraru Viorel
    I try to pass variable from jquery to code c# but something is wrong. I have in js this code: <script type="text/javascript"> var mySerial = '12345'; var fooUrl = '@Url.Action("Foo", "Home")'; window.location.href = fooUrl + '?mySerial' + encodeURIComponent(mySerial); </script> in controller : [HttpPost] public ActionResult Foo(string mySerial) { return View(); } After execution I keep this url: http://localhost:2214/@Url.Action("Foo",%20"Home")?mySerial12345 and I don't understand where's the problem, can someone help me?

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  • Can't sent xml file from Web Application on Internet Explorer

    - by nCdy
    Error is something like that : Can't load Items.aspx from 192.168.0.172 And a text is Can't open this web-site. It can't be found. Try later code : HttpContext.Current.Response.Clear(); HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.NoCache); HttpContext.Current.Response.Charset = System.Text.Encoding.Unicode.EncodingName; HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.Unicode; HttpContext.Current.Response.BinaryWrite(System.Text.Encoding.Unicode.GetPreamble()); HttpContext.Current.Response.ContentType = "application/vnd.ms-excel"; HttpContext.Current.Response.AddHeader( "content-disposition", string.Format( "attachment; filename={0}",fileName)); .... table.RenderControl(htw); HttpContext.Current.Response.Write(sw.ToString()); HttpContext.Current.Response.End(); Trouble with this file is only for Internet Explorer (works on opera / firefox ... ) And so it works for HTML with no HttpContext.Current.Response.ContentType = "application/vnd.ms-excel"; this string

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  • how to invisible a column in gridview

    - by Joby Kurian
    how to invisible a column in gridview.I tried to use this---dataGridView.Columns(0).Visible = False.But its getting an error "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index".How to do that?

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  • DisplayName attribute from Resources?

    - by Palantir
    Hello! I have a localized application, and I am wondering if it is possible to have the DisplayName for a certain model property set from a Resource. I'd like to do something like this: public class MyModel { [Required] [DisplayName(Resources.Resources.labelForName)] public string name{ get; set; } } But I can't to it, as the compiler says: "An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type" :( Are there any workarounds? I am outputting labels manually, but I need these for the validator output!

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  • MasterPage Page_Load hits before Grid_ItemCommand

    - by Raheel Khan
    I am using the session object to store success/error messages based on user actions. On each postback, the message is set on ItemCommend and retrieved on the Page_Load of the master page. Once retrieved, the message is deleted from the session. The problem is that the master page's Page_Load gets called before the ItemCommand gets called so the message does not show up until the next refresh or postback. How is this situation normally handled? Is there some other event we can code against?

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  • Binding an Ilist to datagridview containing another object in a field

    - by JaSk
    I have pretty much the same problem as this question http://stackoverflow.com/questions/970741 but in windows forms, can anyone help me solve it? this is my code, so you don't have to check the other question: public class Material { public virtual int id { get; private set; } public virtual string nombre { get; set; } public virtual string unidad { get; set; } public virtual Categorias Categoria { get; set; } public virtual IList Materiales { get; set; } public Material() { Materiales = new List<Materiales>(); } public virtual void AddMateriales(Materiales materiales) { materiales.Material = this; this.Materiales.Add(materiales); } } as you can see I have an object within the IList so when I use the List as the data source for a datagridview I get a object.categoria where I want to get the Categoria.Name property, can anyone help me?. Thanks

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  • Post complex types to WebApi Client

    - by BumbleBee
    I am new to WebAPI. I have a MVC project and webApi project both reside under the **same solution**. Also, BLL Class library and DAL class library reside under the same solution. Earlier, my MVC project will talk to the BLL now I am trying to create a WebAPi project which stands in between MVC and BLL. Here is what I have come up with so far : I'm using the HTTPClient to post to a WebApi project. My post method on my controller accepts a single parameter (a model). StatsCriteria criteria = new StatsCriteria(); ...... var client = new HttpClient(); var response = client.PostAsJsonAsync("http://localhost:52765/api/reports", criteria).Result; ....... Here's the signature for my controller in Webapi [HttpPost] public CMAReportVM Reports([FromBody] StatsCriteria criteria) { var cmaReport = Service3.GetCMAReport(criteria.Mlsnums); //Create Map to enable mapping business object to View Model Mapper.CreateMap<CMAReport, CMAReportVM>(); // Maps model to VM model class var cmaVM = Mapper.Map<CMAReport, CMAReportVM>(cmaReport); reutn cmaVM; } // and here's my routing: config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = RouteParameter.Optional } I am getting the following 405 : Method not allowed. As the WebAPI and MVC project both reside under same sloution I am not sure where/how to host my webapi.

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  • Winform Textbox CanGrow ?

    - by bochur1
    I don't find a CanGrow property on the Textbox control. This is common in some other controls, and what it does is expand the control to acomodate more data. Anyway to get this feature in the TextBox?

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  • Getting row right after insert returns no result

    - by Peekyou
    I am running unit tests and when I try to insert data in the database and getting it right after, I don't get anything (I have tried with DataAdapter and DataReader). However when I put a 3 seconds sleep (even with 1 second it doesn't work...) between the insert and the select I get the result. In SQL Server Profiler I can see the execution, the insert is well done and is completed about 10 miliseconds before the select begins. I can't find out where this comes

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  • how VAR is determined against many options?

    - by Royi Namir
    i have this code : IEnumerable<string> q = customers /*EF entity*/ .Select (c => c.Name.ToUpper()) .OrderBy (n => n) To select entity, ObjectContext actually create ObjectQuery, which implement IQueryable. The object return from ObjectQuery, is not normal object, but EntityObject but what if i write : ( notice the var) var q = customers /*EF entity*/ .Select (c => c.Name.ToUpper()) .OrderBy (n => n) it can be determined both to ienumerable or iqueryable : because ObjectQuery Also implements IEnumerable... i dont know if there's any specific info which tell the compiler "use A and not B. A is more specific..." ( there must be...i just cant find it) any help ? how will it know to use A || B ?

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  • Find the right parameters for an event without using Design Mode in Visual Studio 2010

    - by Jason
    Is there a way to know what parameters are needed by an event in Visual Studio 2010? Let's say I have a DropDownList control and I want to bind a method to the "OnSelectedIndexChanged", I would do something like this In the ASPX File: <asp:DropDownList ID="lstMyList" runat="server" OnSelectedIndexChanged="lstMyList_SelectedIndexChanged"></asp:DropDownList> In the codebehind: protected void lstMyList_SelectedIndexChanged(object sender, EventArgs e) { ... } Is there a way to know what parameters the method needs? (In this case, an object for the sender and an EventArgs parameter for the event.) I know you can easily create the method by double-clicking the right event in Design Mode, but it does a mess with your code so I prefer not to use it. Thanks!

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  • How to get at specific HTML elements of a document using C# and Hide them/Show them etc.

    - by LaserBeak
    Basically I want to load a HTML document and using controls such as multiple check boxes which will be programmed to hide, delete or show HTML elements with certain ID's. So I am thinking I would have to set an inline CSS property for visibility to: false on the ones I want to hide or delete them altogether when necessary. I need this so I don't have to edit my Ebay HTML templates in dreamweaver all the time, where I usually have to scroll around messy code and manually delete or add tags and their respective content. Whereas I just want to create one master template in dreamweaver which has all the variations that my products have, since they are all of the same genre with slight changes here and there and I just need to enable and disable the visibility of these variants as required and copy + paste the final html. I haven's used Windows Forms before, but tried doing this in WebForms which I do know a bit. I am able to get the result that I want by wrapping any HTML elements in a <asp:PlaceHolder></asp:PlaceHolder> and just setting that place holders visibility to false after the associated checkbox is checked and a postback occurs, finally I add a checkbox/button control that removes all the checkboxes, including itself etc for final html. But this method seems just like too much pain in the ass as I have to add the placeholder tags around everything that I need control over as ordinary html elements do not run at server, also webforms injects a bunch of Javascript and ViewState data so I don't have clean HTML which I can just copy after viewing the page source. Any tips/code that you can suggest to achieve the desired effect with the least changes required to existing HTML documents? Ideally I would want to load the HTML document in, have a live design preview of it and underneath have a bunch of well labelled checkboxes programmed to hide, delete or show elements with certain ID's. Thanks...

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  • Architecting a generic search result web control

    - by Bartek Tatkowski
    In a project I'm currently working for we've stumbled upon the need for several kinds of search results presentation controls. The search result are similar, but not identical. For example, in the "office search" result we might want to present the office name and location, while in the "document search" could contain document name, author and publishing date. These fields should be sortable. My current strategy is to employ the Factory pattern and do something like this: ISearchResult officeResults = SearchResultFactory.CreateOfficeSearchResults(data); ISearchResult documentResults = SearchResultFactory.CreateDocumentSearchResults(data); The problem is: I don't know how to implement the markup code. Should I just do Controls.Add(officeResults); in the containing page? Or is there some ASPX trickery to create generic web controls? Or maybe I'm overthinking this and just should create five classes? ;)

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  • Is a Multi-DAL Approach the way to go here?

    - by Krisc
    Working on the data access / model layer in this little MVC2 project and trying to think things out to future projects. I have a database with some basic tables and I have classes in the model layer that represent them. I obviously need something to connect the two. The easiest is to provide some sort of 'provider' that can run operations on the database and return objects. But this is for a website that would potentially be used "a lot" (I know, very general) so I want to cache results from the data layer and keep the cache updated as new data is generated. This question deals with how best to approach this problem of dual DALS. One that returns cached data when possible and goes to the data layer when there is a cache miss. But more importantly, how to integrate the core provider (thing that goes into database) with the caching layer so that it too can rely on cached objects rather than creating new ones. Right now I have the following interfaces: IDataProvider is used to reach the database. It doesn't concern itself with the meaning of the objects it produces, but simply the way to produce them. interface IDataProvider{ // Select, Update, Create, et cetera access IEnumerable<Entry> GetEntries(); Entry GetEntryById(int id); } IDataManager is a layer that sits on top of the IDataProvider layer and manages the cache interface IDataManager : IDataProvider{ void ClearCache(); } Note that in practice the IDataManager implementation will have useful helper functions to add objects to their related cache stores. (In the future I may define other functions on the interface) I guess what I am looking for is the best way to approach a loop back from the IDataProvider implementations so that they can access the cache. Or a different approach entirely may be in order? I am not very interested in 3rd party products at the moment as I am interested in the design of these things much more than this specific implementation. Edit: I realize the title may be a bit misleading. I apologize for that... not sure what to call this question.

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  • import excel to sql db table

    - by droyce
    I am trying to write data from an excel spread sheet to a SQL Database. I have been able to connect to the Excel Spreadsheet and read the data but I am unable to get the data to insert into the SQL DB table. the current code is as follows any help most appreciated. Dim plmExcelCon As System.Data.OleDb.OleDbConnection Dim ldExcelDS As System.Data.DataSet Dim cmdLoadExcel As System.Data.OleDb.OleDbDataAdapter Dim PrmPathExcelFile As String PrmPathExcelFile = txtImportFileLocation.Text.ToString plmExcelCon = New System.Data.OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + PrmPathExcelFile + ";Extended Properties=Excel 12.0;") cmdLoadExcel = New System.Data.OleDb.OleDbDataAdapter("select * from [" + txtImportSheetName.Text + "$]", plmExcelCon) ldExcelDS = New System.Data.DataSet cmdLoadExcel.Fill(ldExcelDS) dgvImportData.DataSource = ldExcelDS.Tables(0) plmExcelCon.Close() cmdINSERT.Parameters("@[SQL COLUMN NAME]").Value = [Not sure how to set value from datagrid view] cnLD.Open() cmdINSERT.ExecuteNonQuery() cnLD.Close()

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  • Could not load file or assembly error even when reference has been removed

    - by twal
    Could not load file or assembly 'Payflow_dotNET_2.0' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040) I tried to reference the payflow SDK and got this error.But I am no longer trying to reference it. I have removed all references to this dll. and Now I am just trying to get the project to start in VS but I still get this error. I am not trying to add the dll anymore.If i have removed the reference to this, why am I still getting this error? How can I remove anything else that may still be causing my program to look for this file? Thanks!

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  • how to populate different records in row of a Grid?

    - by ahmed
    Helo, I have a two Grid where I have to display some records from the table. The table consists of employee names ,manager names and their comments. Now on the first gird I am fetching data of employee names. Now on the second grid I have to display data of manager names and their comments. The data is on the same table. On show button of the first grid it shows all the employees. then on AdvWebGrid.ClickLink or any selected user on the first grid , i have to display the manager names and their comments on the second grid. How can I do that ? Hope my problem is clear?

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  • Pass a model object while using a upload

    - by Dejan.S
    I'm trying to pass my model object along with the file I'm uploading but I'm stuck on how I should that should be done. This is the code I use now [AcceptVerbs(HttpVerbs.Post)] public ActionResult Upload(PageBody pageBody) { foreach (string file in Request.Files) { var hpf = Request.Files[file] as HttpPostedFileBase; if (hpf.ContentLength == 0) continue; string savedFileName = Path.Combine(AppDomain.CurrentDomain.BaseDirectory + "Content/Uploads/", Path.GetFileName(hpf.FileName)); hpf.SaveAs(savedFileName); _pageBody.Pictures.Add(new PageBodyPicture() { Picture = file }); } return View(pageBody); } here is my view code, I got the model.Id but there but it wont pass even if I put just Id to the Upload method. <form action="/Admin/Upload" enctype="multipart/form-data" method="post"> <%= Html.HiddenFor(model => model.Id)%> <input type="file" name="file" id="file" /><br /> <input type="submit" name="submit" value="Upload" /> </form>

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  • Hiding a LinkButton in DataList

    - by sanfra1983
    Hi someone can tell me how to hide a LinkButton inside a DataList? I've tried to do this but I do not work: protected void Page_PreRender(object sender, EventArgs e) { foreach (var item in listanews) { DataList container = dlgestionenews; if (string.IsNullOrEmpty(item.IdNews)) { DataListItem itemdatalist = null; foreach (DataListItem itemdl in container.Items) { foreach (Control control in itemdatalist.Controls) { if (control.GetType().FullName == "LinkButton") { ((LinkButton)control).Visible = false; } } } } } } Thanks!

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  • How to run an "empty" Windows Application that only has a NotifyIcon?

    - by devoured elysium
    I want to make an Application that only has a NotifyIcon. It doesn't need to have at all a "Main" Form. When I want to achieve something like this, I just create an invisible form and run it, but would there be a more "elegant" way of doing this, I'd like to know it. How do you generally do this? This application can't be a Windows Service, as having the NotifyIcon and its Context Menus is important (each one of them will run a different command). Thanks

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  • Entity Framework: Setting EntityReference EntityKey causes exception on save

    - by NYSystemsAnalyst
    I have a table with a ModifiedUserID field that is a foreign key to a User table. In entity framework, I'm loading the first table, but not the users table. I have the user ID of the current user, and would like to set the ModifiedUserID to that value for all entities that have been modified prior to saving. Before calling SaveChanges(), I use the ObjectStateManager to get all modified entities. Since I do not have the user object, but I do have the user ID, I set the EntityReference.EntityKey property as follows: entity.UserReference.EntityKey = New EntityKey("MyContainer.User", "UserID", DatabaseUserID) This works fine, but when I execute SaveChanges(), I receive the following error: A relationship is being added or deleted from an AssociationSet 'FK_Table1_User'. With cardinality constraints, a corresponding 'Table1' must also be added or deleted. Now, I see that setting the EntityReference.EntityKey creates a new AssociationSet entry, but how to I prevent this error?

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  • Why would an error get thrown inside my try-catch?

    - by George Johnston
    Why would my try-catch block still be throwing an error when it's handled? Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Try Here >> : _MemoryStream.Seek(6 * StartOffset, 0) _MemoryStream.Read(_Buffer, 0, 6) Catch ex As IOException // Handle Error End Try Edit: Cleaned the question up to remove the extraneous information.

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