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  • Load PDF from Memory ASP.Net

    - by Sandhurst
    I am using ITextSharp to generate pdf on the fly and then saving it to disk and display it using Frame. The Frame has an attribute called src where I pass the generated file name. This all is working fine what I want to achieve is passing the generated pdf file to Frame without saving it to disk. HtmlToPdfBuilder builder = new HtmlToPdfBuilder(PageSize.LETTER); HtmlPdfPage first = builder.AddPage(); //import an entire sheet builder.ImportStylesheet(Request.PhysicalApplicationPath + "CSS\\Stylesheet.css"); string coupon = CreateCoupon(); first.AppendHtml(coupon); byte[] file = builder.RenderPdf(); File.WriteAllBytes(Request.PhysicalApplicationPath+"final.pdf", file); printable.Attributes["src"] = "final.pdf";

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  • Get Column Header in GridViewRow in asp.net

    - by Suryakavitha
    Hi, I am using a website and i have a gridview in that website.... I want to delete a row in that gridview by using that selected row column values and Column headers... i got the column values by using GridViewRow but i cant get that column value's Corresponding Column header.... how shall i get that Column header by using GridViewRow.... Please anyOne Tell me the solution of this.... Thanks in Advance! And My code is: int Row = Convert.ToInt16(e.RowIndex); GridViewRow Collection = GrdViewDetails.Rows[Row]; for (int i = 0; i < Collection.Cells.Count;i++) { strColumnValue = Collection.Cells[i].Text; //strColumnName=? }

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  • Returning to last viewed List page after insert/edit with ASP.NET Dynamic Data

    - by Pat James
    With a pretty standard Dynamic Data site, when the user edits or inserts a new item and saves, the page does a Response.Redirect(table.ListActionPath), which takes the user back to page 1 of the table. If they were editing an item on page 10 (or whatever) and want to edit the next item on that page, they have to remember the page number and navigate back to it. What's the best way to return the user to the list page they last viewed? I can conceive of some solutions using cookies, session state, or query string values to retain this state and making my own Page Template to incorporate it, but I can't help thinking this must be something that was considered when Dynamic Data was created, and there must be something simpler or built-in to the framework that I'm missing here.

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  • Configuring asp.net web applications. Best practices

    - by Andrew Florko
    Hello everybody, There is a lot of configurable information for a web-site: UI messages Number of records used in pagination & other UI parameters Cache duration for web-pages & timeouts Route maps & site structure ... There are many approaches to store all this information also: AppSettings (web.config) Custom sections (web.config) External xml/text files referred from web.config Internal static class(es) of constants Database table(s) ... What approaches do you usually choose for your tasks & what approaches do you find unsuitable? Thank you in advance!

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  • Open a popup window on top of a popup window in ASP.NET

    - by demogeek
    I have a scenario where I have a popup window open and that will have links to open up another window that's going to pop open on top of the already open popup window. I've tried all sort of tricks (javascript window.open, target="_blank" etc.) but nothing seem to work. It always was opening the page on the already opened popup window. Any suggestions? Appreciated your help.

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  • ASP.NET MVC URL decode

    - by Bryan
    I have an action like this: <%=Html.ActionLink("My_link", "About", "Home", new RouteValueDictionary { { "id", "Österreich" } }, null)%> This produces the following link: http://localhost:1855/Home/About/%C3%96sterreich I want a link which looks like this - localhost:1855/Home/About/Österreich I have tried. Server.HtmlDecode("Österreich") HttpUtility.UrlDecode("Österreich") Neither seems to be helping. What else can I try to get my desired result?

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  • ASP.NET Conversion failed when converting from a character string to uniqueidentifier

    - by c11ada
    hey all, i have a table which has a primary key (UserID) this is of type UniqueIdentifier. im trying to insert a value into this field but i keep getting an error. i want to get the userID of the current user and insert the into the user_Details table, but i keep getting this error Conversion failed when converting from a character string to uniqueidentifier can some one please help me thanks

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  • Mongo connect problem using asp.net

    - by Amr ElGarhy
    I wrote these lines in My Application start event: var mongo = new Mongo(); mongo.Connect(); var blog = mongo.GetDatabase("Blog"); mongo.Disconnect(); but on this line: mongo.Connect(); it gave me this error: No connection could be made because the target machine actively refused it 127.0.0.1:27017 I am a beginner using Mongodb and i am just try to make sample code to see it's power. So i have no idea how to solve this problem. I am using VS2008 with MongoDB.Driver on Windows7.

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  • Quartz.NET Instance Handling Problem

    - by Dhon
    Hi, I have 2 instances which implements 2 different instance IDs in 2 different windows services as: //windows service 1 instance 1 properties["quartz.scheduler.instanceName"] = "instanceName1"; properties["quartz.scheduler.instanceId"] = "instanceID1"; //windows service 2 instance 2 properties["quartz.scheduler.instanceName"] = "instanceName2"; properties["quartz.scheduler.instanceId"] = "instanceID2"; In the ADOJobstore, I can see that there are two instances. However, when I schedule a simple job in instance1, it is getting triggered in instance2 (and vise versa). By looking at the records created in jobstore, the scheduled job are properly tagged with the expected instanceIDs. Any idea of why this is happening?

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  • ASP.NET MVC Routing Via Method Attributes

    - by TorgoGuy
    In the StackOverflow Podcast #54, Jeff mentions they register their URL routes in the StackOverflow codebase via an attribute above the method that handles the route. Sounds like a good concept (with the caveat that Phil Haack brought up regarding route priorities). Could someone provide some sample to to make this happen? Also, any "best practices" for using this style of routing?

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  • Comparison of ASP.Net Reporting Solutions

    - by Brian MacKay
    This week my team spent way too much time trying to do simple things in reporting services, and I've decided to start evaluating other options. I know there are some good options out there now that aren't too expensive. I've heard that Telerik, ActiveReports, and a few others are widely used. I was hoping to get some first hand accounts regarding reporting tools that you've used. Specifically, I definitely want to hear your thoughts about: Pain points and gotchas you ran into. Ease of use for report design. It's a little bizarre to me that Access still seems to hold the throne in this area! What's your favorite tool? Anything I've missed that seems important to you. Thanks a lot!

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  • Enumerations and String values in ASP.NET

    - by Jason
    I'm looking for some best practice advice on enumerations and retrieving an associated string value. Given this: public enum SerialKillers { TedBundy, EdGein, AlbertFish, GeorgeBush } What is the best way to get a related string value of the name? Eg. "Ted Bundy", given that the string value may not match the representation in the enumeration. eg "George W Bush" My current thinking is function accepting an enum and returning a string, but would that not mean hard coding the string values (which I prefer not to do)? Is using a resources file where the string can be retrieved via the enumeration too heavy handed? Should I accept the fact I am going to Hell for victimising Ted Bundy by associating him with George Bush?

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  • asp.net Impersonate User for network resource access

    - by lonelycoder
    code: System.Security.Principal.WindowsImpersonationContext impersonationContext; impersonationContext = ((System.Security.Principal.WindowsIdentity)User.Identity).Impersonate(); //access network resources. impersonationContext.Undo(); web.config: <authentication mode="Windows"> </authentication> <identity impersonate="true" userName="user" password="password"></identity> As clear from web.config file, the app runs in an impersonated mode. I need to impersonate temporarily on top of that to access a network resource. I do that as shown above. This works fine on server if I browse to the website on the local IE installed on the server but when I access the app from my PC or any other PC, I get a access denied. Btw, this is all within an enterprise domain environment. so IE in both cases is passing a valid authenticated token. Any ideas what is going on. thanks.

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  • Mimic Windows' 'Run' window in C#/.NET

    - by chaiguy
    I would like to mimic the Run command in Windows in my program. In other words, I would like to give the user the ability to "run" an arbitrary piece of text exactly as would happen if they typed it into the run box. While System.Diagnostics.Process.Start() gets me close, I can't seem to get certain things like environment variables such as %AppData% working. I just keep getting the message "Windows cannot find '%AppData%'..."

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  • Display custom error page when file upload exceeds allowed size in ASP.NET MVC2

    - by Marcus
    Hello! My main issue is that I want to display an custom error page when an uploaded file exceeds allowed size (maxRequestLength in web.config). When the big file is uploaded an HttpException is thrown before my upload action method in the controller is invoked. This is expected. I have tried to catch the exception in a custom attribute and also to override OnException in the controller. Why isnt it possible to catch the exception in either the attribute or the OnException method? Its possible though to catch the exception in Application_Error in global.asax but neither Response.Redirect nor Server.Transfer works for redirecting to the custom error page. Server.Transfer gives the "failed to process child request" error and response.redirect gives the "Http headers already sent" error. Any ideas? Thanks in advance! Marcus

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  • ASP.NET panel DefaultButton event fires only once?

    - by Ahmed
    For a panel with one textbox and one button which is its default button, the DefaultButton event fires only once as editing textbox details again and pressing enter, event doesn't fire. <asp:Panel runat="server" ID="pnlNewFolderDetails" DefaultButton="btnAddFolder"> <asp:Label runat="server" ID="lblFolderHeader" Text="New Folder Name" CssClass="label" /> <asp:TextBox runat="server" ID="txtFolderName" ToolTip="Folder Name" /> <asp:Button runat="server" ID="btnAddFolder" OnClick="btnAddFolder_Click" Text="Add" /> Any suggestions?

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  • Objectdatasource always passes 0 and startIndex and pageSize in asp.net 2.0

    - by 101873438432680351218
    I have a DevXpress ASPXGridview, and I am using ObjectDataSource for custom paging. This is my objectDataSource code on aspx page. <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetItems" EnablePaging="true" TypeName="BLL.Item" StartRowIndexParameterName="startIndex" MaximumRowsParameterName="pageSize" SelectCountMethod="GetTotalItems" > <SelectParameters> <asp:ControlParameter ControlID="hfNumber" Name="number" Type="string" /> <asp:ControlParameter ControlID="hfDesc" Name="description" Type="string" /> </SelectParameters> </asp:ObjectDataSource> When I put breakpoints in BLL code, I see that it always executes with startIndex and pageSize as 0. It does pass the other two selectparameters correctly. Also the SelectCountMethod (GetTotalItems) never gets executed.

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  • ASP.NET MVC ajax - data transfer

    - by Grienders
    How can I get result from action? I need to show the commentID on the page (aspx) after successes comment insert. controller [AcceptVerbs(HttpVerbs.Post )] public ActionResult ShowArticleByAjax(Guid id, string commentBody) { Guid commentID = Comment.InsertComment(id, commentBody); //How can I tranfer commentID to the aspx page ??? return PartialView("CommentDetails",Article.GetArticleByID(id)); } ascx <%using (Ajax.BeginForm("ShowArticleByAjax", new { id = Model.ID }, new AjaxOptions { HttpMethod = "Post", UpdateTargetId = "divCommentDetails", OnSuccess = "successAddComment", OnFailure = "failureAddComment", OnBegin = "beginAddComment" })) { %> <p> <%=Html.TextArea("commentBody", new { cols = "100%", rows = "10" })%> </p> <p> <input name="submit" type="image" src="../../Content/Images/Design/button_s.gif" id="submit" /> </p> <%} %> aspx doesn't matter

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  • ASP.Net RadioButton loses ViewState

    - by Carl
    I'm having trouble with a simple radio set of two radio buttons (I don't want to use a RadioButtonList [RBL] because RBL doesn't allow child controls, and in my case, if you select one option, I want to enable a textbox next to the button; yes you could hack this with jQuery to move the textbox, but that's dirty!). I would check one, submit the form (either explicitly or through AutoPostBack), and the CheckedChanged event would never fire. When the page was reloaded, both buttons would be unchecked, regardless of their initial state on non-postback load or the state before form submission. I took out the checkbox and stripped this down to the simplest example I could come up with. I tossed EnableViewState=true all over the place just in case it was being disabled somewhere I couldn't find. <form id="form1" runat="server" enableviewstate="true"> <div> <asp:RadioButton ID="foo" Text="foo" runat="server" AutoPostBack="true" OnCheckedChanged="rbChanged" Checked="true" GroupName="foobar" EnableViewState="true" /> <asp:RadioButton ID="bar" Text="bar" runat="server" AutoPostBack="true" GroupName="foobar" OnCheckedChanged="rbChanged" Checked="false" EnableViewState="true" /> <asp:Label runat="server" ID="resultLbl" /> </div> </form> protected void rbChanged(object sender, EventArgs e) { if (foo.Checked) resultLbl.Text = "foo is checked"; else if (bar.Checked) resultLbl.Text = "bar is checked"; else resultLbl.Text = "neither is checked"; }

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  • Get/open temp file in .NET

    - by acidzombie24
    I would like to do something like the below. What function returns me an unique file that is opened? so i can ensure it is mine and i wont overwrite anything or write a complex fn generate/loop BinaryWriter w = GetTempFile(out fn); w.close(); File.Move(fn, newFn);

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  • How to access WebMethods in ASP.NET

    - by Quandary
    When i define an AJAX WebMethod like this in an ASPX page (ui.aspx): [System.Web.Services.WebMethod(Description = "Get Import Progress-Report")] [System.Web.Script.Services.ScriptMethod(UseHttpGet = false, ResponseFormat = System.Web.Script.Services.ResponseFormat.Json)] public static string GetProgress() { System.Web.Script.Serialization.JavaScriptSerializer JSONserializer = new System.Web.Script.Serialization.JavaScriptSerializer(); return JSONserializer.Serialize("an Object/Instance here"); } // End WebMethod-Function GetProgress Can I access the description for the corresponding service somewhere ? E.g. when I want to call the webmethod with my own JavaScript, how do I do that ? I investigated the axd files, and found the xmlhttprequest to open ui.aspx/GetProgress But when I type the address in my browser, I get redirected to ui.aspx

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  • Queryable and BindingSource item add .net

    - by Alexander
    Hello! I wrote my own simple Queryable provider which retrieves data from a database. Now I need to bind this data to a BindingSource and when the new item is added to BindingSource some event or method must be called for handling the add operation. I have tried to implement IBingingList on a List class which is returned when the query is completed, but the AddNew method is not called when the item is added? How can I implement this scenario?

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  • sorting and paging with gridview asp.net

    - by dangerisgo
    I'm trying to get a gridview to sort and page manually with no success. The problem is that when a user clicks the column they want to sort, it sorts that page, but doesn't sort the datasource (dataview) behind the gridview. So when they progress to a different page, their sort is lost. Pretty much I'm looking for a sort that will actually sort the datasource behind the gridview. Here is what I have so far: protected void GridView_OnSort(object sender, GridViewSortEventArgs e) { String sortExpression = e.SortExpression; if (GridViewSortDirection == SortDirection.Ascending) { DataView myDataView = new DataView(mybll.GetItemsOrdered()); myDataView.Sort = sortExpression + " DESC"; GridView.DataSource = myDataView; GridView.DataBind(); } else { DataView myDataView = new DataView(mybll.GetItemsOrdered()); myDataView.Sort = sortExpression + " ASC"; GridView.DataSource = myDataView; GridView.DataBind(); } } Any help would be appreciated. Thanks.

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  • ASP.NET MVC POST Parameter into RouteData

    - by David Thomas Garcia
    I'm using jQuery to POST an Id to my route, for example: http://localhost:1234/Load/Delete with a POST Parameter Id = 1 I'm only using the default route in Global.asax.cs right now: routes.MapRoute( "Default", "{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = "" } ); When I perform the POST, in my ActionFilter filterContext.RouteData.Values["Id"] is set to the default value of "". Ideally, I'd like it to use the POST Parameter value automatically if the URL comes up with "". I know it is posting properly because I can see the value of "1" in filterContext.HttpContext.Request.Params["Id"]. Is there a way to get RouteData to use a POST parameter as a fall back value?

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