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  • error handling in asp.net

    - by user98454
    Hi How can i pass the different types of errors from Data access layer to presentation layer? suppose if we take the northwind database scenario I want to delete the customer, so i selected one customer in ui and clicked the "delete" button.It internally calls the "delete" in data access layer. The prerequisite for deleting the customer is that the customer doesn't have any orders.So in data access layer we wil check whether that customer has any orders.If the customer has orders how can we pass the message from dal to presentation layer that the customer has orders and we don't delete. Am i doing right?is there any other ways to deal with this type? Thanks in advance

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  • ASP.Net - Gridview row selection and effects

    - by Clint
    I'm using the following code in attempt to allow the user to select a gridview row by clicking anywhere on the row (plus mouse over and out) effects. The code doesn't seem to be applied on rowdatabound and I can't break into the event. (It is wired). The control is in a usercontrol, that lives in a content page, which has a masterpage. protected void gvOrderTypes_RowDataBound(object sender, GridViewRowEventArgs e) { GridView gvOrdTypes = (GridView)sender; //check the item being bound is actually a DataRow, if it is, //wire up the required html events and attach the relevant JavaScripts if (e.Row.RowType == DataControlRowType.DataRow) { e.Row.Attributes["onmouseover"] = "javascript:setMouseOverColor(this);"; e.Row.Attributes["onmouseout"] = "javascript:setMouseOutColor(this);"; e.Row.Attributes["onclick"] = Page.ClientScript.GetPostBackClientHyperlink(gvOrdTypes, "Select$" + e.Row.RowIndex); } }

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  • Please wait screen in asp.net

    - by Zerotoinfinite
    Hi All, The home page of my website and some other page also are taking some time to load, instead of making them load fast, I want some please wait screen or progress bar and mean while the required page would be loaded behind. Is there any way to do it? Thanks in advance

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  • ASP.NET MVC Response file should not download

    - by Shawn Mclean
    I am generating a .cxml file on the server and pushing it to the browser based on certain queries. If I just link to a .cxml, it does what I expected and opens it in the respective application. How can I generate a file and push it to the browser just like if it was linked to a file without it asking me to download it? The link looks something like: http://localhost/MyController/GetFile?q=TheQueryStringParam Thanks.

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  • Routing problem, handling differently online versus local - MVC.net 1.0

    - by VinnyG
    I have there lines in my RegisterToutes : routes.MapRoute("Pages3", "{url1}/{url2}/{url3}", MVC.Page.RedirectTo(), new { url1 = "", url2 = "", url3 = "" }); routes.MapRoute("Pages2", "{url1}/{url2}", MVC.Page.RedirectTo(), new { url1 = "", url2 = "", url3 = "" }); routes.MapRoute("Pages1", "{url1}", MVC.Page.RedirectTo(), new { url1 = "", url2 = "", url3 = "" }); On my local machine and on my demo server (demo.myserver.com/myproject/) it works great for handling the 404, but live(www.mysite.com) it just go to the IIS 404. I have a PageController witch go see if the page exist in the DB and if it don't I return to a 404 view with the status code 404 (Response.StatusCode = 404;) How can I reproduce the same behavior live? Do I need to setup something on IIS? I'm on winserver 2008 using c# and MVC 1.0. Thanks for the help!

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  • ASP.NET Dashboard / Widgets

    - by davemackey
    I'd like to build a dashboard interface for an application I am working on. I want users to logon and get a birds eye view of the status of applications, outstanding issues, etc. I'm wondering if there are some good, pre-made controls rather than writing these from the ground up?

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  • ASP.NET/IIS: Tell IIS do not check for file existence

    - by AgileMeansDoAsLittleAsPossible
    In my Global.asax.cs, I have: routes.MapRoute("AssetCss", "css/{*path}", new { controller = "Asset", action = "Index" }); I also have this in a view: <link href="/css/Root/index.css" rel="stylesheet" type="text/css" /> The problem is that the AssetController does not invoke Index when /css/Root/index.css is requested. This is because a file actually exists at the path /css/Root/index.css. If I recall correctly, there's a checkbox setting in IIS that basically says "Do not check that a file actually exists at the request path [instead, let the RouteTable handle it]." (At least there is in IIS 6.) Is there something I can put in my Web.config that sets this IIS setting to true? How do I tell IIS to let my MVC routes handle the path even if a file exists at the path?

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  • Using external javascript files with asp.net MVC

    - by twal
    I have some javascript inwhich I am using such helpers as var url = <%=ResolveUrl("~/controller/action") %> When the javascript is embeded in the .aspx page using the <script> tag everything works fine When I move it out to an external file those scripts that have the helper methods do not work. Other scripts do just the ones with the var url = <%=ResolveUrl("~/controller/action") %> do not. Are these not possible to use in external javascript files?? I would like to get all of my javascript out of the aspx files if I can. thanks!

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  • .NET, ASHX, "Server cannot append header after HTTP headers have been sent" after sending PDF Streem

    - by Inturbidus
    I visit my ASHX file, and it outputs a PDF perfectly. If I visit the very same ASHX with a different query string (I append DateTime.Now.Ticks to the end each visit), and I get this error: Server cannot append hader after HTTP headers have been sent. My code is below: copy.CloseStream = false; document.Close(); var r = context.Response; r.ExpiresAbsolute = DateTime.Now; r.BufferOutput = true; r.ContentType = "application/pdf"; r.AppendHeader("Content-Type", r.ContentType); r.AppendHeader("Content-disposition", "inline; filename=" + context.Server.UrlEncode(formType.File_Name)); r.BinaryWrite(copyStream.ToArray()); r.StatusCode = 200; r.End(); originalReader.Close(); copy.CloseStream = true; copy.Close(); There is no other place in this code that headers are sent. You are seeing the entire interaction with the Response object. I've tried to use r.Flush(); and r.End(); I've also tried not sending them if they are already there, but this causes other issues.

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  • asp.net mvc DataViewModel Problem no insert and edit

    - by mazhar
    using the code DataViewModel with one form for create and edit with partial view , in the code below In the create*I am not able to enter the values to the database*,In the edit Mode I am not able to display the value as well in the textboxes for edit public class OrganizationGroupFormViewModel { // Properties public OrganizationGroup OrganizationGroup { get; private set; } public OrganizationGroupFormViewModel(OrganizationGroup organizationGroup) { OrganizationGroup = organizationGroup; } } public class OrganizationGroupsController : Controller { // // GET: /OrganizationGroups/ OrganizationGroupsRepository OrganizationGroupRepository = new OrganizationGroupsRepository(); OrganizationUsersDataContext _db = new OrganizationUsersDataContext(); public ActionResult Create() { try { OrganizationGroup OrgGroup = new OrganizationGroup() { int_CreatedBy=1, dtm_CreatedDate=DateTime.Now }; return View(new OrganizationGroupFormViewModel(OrgGroup)); } catch { return View(); } } [HttpPost] public ActionResult Create(OrganizationGroup OrgGroup) { if (ModelState.IsValid) { OrgGroup.int_CreatedBy = 1; OrgGroup.dtm_CreatedDate = DateTime.Now; OrganizationGroupRepository.Add(OrgGroup); OrganizationGroupRepository.Save(); return RedirectToAction("Details", new { id = OrganizationGroupRepository.int_OrganizationGroupId }); } return View(new OrganizationGroupFormViewModel(OrgGroup)); } // // GET: /OrganizationGroups/Edit/5 public ActionResult Edit(int id) { try { var OrgGroup = _db.OrganizationGroups.First(m => m.int_OrganizationGroupId == id); if (ModelState.IsValid) { OrgGroup.int_ModifiedBy = 1; OrgGroup.dtm_ModifiedDate = DateTime.Now; } return View(new OrganizationGroupFormViewModel(OrgGroup)); } catch { return View(); } } // // POST: /OrganizationGroups/Edit/5 [HttpPost] public ActionResult Edit(int id, FormCollection collection) { try { var OrgGroup = _db.OrganizationGroups.First(m => m.int_OrganizationGroupId == id); if (ModelState.IsValid) { OrgGroup.int_ModifiedBy = 1; OrgGroup.dtm_ModifiedDate = DateTime.Now; TryUpdateModel(OrgGroup); OrganizationGroupRepository.Save(); } return RedirectToAction("Details", new { id = OrgGroup.int_OrganizationGroupId }); } catch { return View(); } } Create View; <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<Egovst.Controllers.OrganizationGroupFormViewModel>" %> Create Organization Group <h2>Create</h2> <%= Html.ValidationSummary(true) %> <div> <% Html.RenderPartial("OrganizationGroup"); %> </div> Organization Group User Control <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<Egovst.Controllers.OrganizationGroupFormViewModel>" %> <% using (Html.BeginForm()) {%> <%= Html.ValidationSummary(true) %> <fieldset> <legend>Fields</legend> <div class="editor-label"> Organization Group Name: </div> <div class="editor-field"> <%= Html.TextBoxFor(model => model.OrganizationGroup.vcr_OrganizationGroupName)%> <%= Html.ValidationMessageFor(model => model.OrganizationGroup.vcr_OrganizationGroupName)%> </div> <div class="editor-label"> Organization Group Description: </div> <div class="editor-field"> <%= Html.TextAreaFor(model => model.OrganizationGroup.vcr_OrganizationGroupDesc)%> <%= Html.ValidationMessageFor(model => model.OrganizationGroup.vcr_OrganizationGroupDesc)%> </div> <p> <input type="submit" value="Save" /> </p> </fieldset> <% } %>

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  • .NET Web Service Proxy is adding special characters in XML

    - by xkingpin
    My web service proxy seems to be adding special characters like "*" and "#" etc. within the xml nodes. My proxy created lists using arrays of objects. I am trying to create a generic list and then doing list.ToArray() to set the proxy MyProxyObject[] object. Is this the cause of the problem I am having? I plan on running fiddler on the request later but it is over SSL and I do not have access to the URL at the moment. Here is an example of the XML that is generated: <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> * <soap:Body> o I'm a little concerned because the special characters are even occuring before the array nodes

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  • session variables in an ASP.NET

    - by Beep
    hi guy i am trying to place my session in to a drop down, any help would be great. at the moment it puts the data in to a label, i wish to put it into a dropdown with it adding a new string every time i click button without getting rid of the last default page protected void Button1_Click1(object sender, EventArgs e) { Session["Fruitname"] = TbxName.Text; // my session i have made } output page protected void Page_Load(object sender, EventArgs e) { var fruitname = Session["Fruitname"] as String; // my session ive made fruit.Text = fruitname; // session used in lable } Have Tried var myFruits = Session["Fruitname"] as List<string>; myFruits.Add(listbox1.Text); but i get error when i try to run the program Broken glass thanks for your help, it is still not doing what i need but its getting there. var fruitname = Session["Fruitname"] as String; // my session ive made fruit.Text = string.Join(",", fruitname); // session used in lable this is what is working. i need a dropdown to display all the strings put into TbxName.Text; to output into fruit

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  • Integrate variable data with div tag in asp.net

    - by Srikanth Mattihalli
    Hi all, I have this code: I need to replace 800px and 300px from database value; I tried both of the below. But still i am not getting the answer. Method 1: <div id="container" style="width:'<% Response.Write(width);%>'px; height:'<% Response.Write(height);%>'px; margin: 0 auto;overflow:hidden;"></div> Method 2: <div id="container" style="width:'<%# Eval("width");%>'px; height: <%# Eval("height");%>'px; margin: 0 auto;overflow:hidden;"></div> The value of height and width variables are defined in page_load() function int height=300; int width= 800; This is not affecting the resulting web page. Can anyone help me on this.

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  • asp.net mvc route clashing with physical path in IIS7

    - by Andrew Bullock
    I'm messing about with controller organisation and I've hit a problem. If I have the following physical structure /Home/HomeController.cs /Home/Index.aspx /Home/About.aspx and I request the URI: /Home/Index I get a 403 Directory Listing Denied :( (im using a custom IControllerFactory and IViewEngine to look in this non-default path) Why is this happening? (I know the 403 is because its hitting the /Home folder, but why is it hitting the folder?) Why doesn't the UrlRoutingModule rewrite the route and let the controller pick up the request? Application_BeginRequest fires, but then it seems to pass control back to IIS to try and serve from the filesystem. Is it the UrlRoutingModule that defaults to a physical path if it exists before rewriting? Is there a way to make this work? N.B. Please don't suggest relocating my controllers etc. I know this is an obvious option, but that isn't the question ;) Using IIS7 In Integrated Mode Thanks

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  • How to rectify this issues: asp.net PageRequestManagerParserErrorException

    - by sameer
    i have a search panel where on click of search button im getting this exception this is for the first time, subsequent click it result the proper result. Can any one explain how solve the issue. error message: Sys.WebForms.PageRequestManagerParserErrorException: The Message received from the server could not be parsed.Coommon causes for this error are when the response is modified by Calls to Repose.Write(), response filters,HttpModules, or server trace is enabled. Details:Error Parsing near ' | '.

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  • ASP.net looping through controls in a table

    - by c11ada
    hey all, i have a table which contains a bunch of dynamically created radio button lists, im trying to write code which will loop through each one of the radio button list and get the text value of the selected item. i have the following code foreach ( Control ctrl in Table1.Controls) { if (ctrl is RadioButtonList) { //get the text value of the selected radio button } } but i am stuck on how i can get the value of the selected item for that given control.

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  • Creating a process in ASP.NET MVC controller

    - by GRKamath
    I have a requirement to run an application through my MVC controller. To get the installation path I used following link (I used answer provided by Fredrik Mörk). It worked and I could able to run the exe through a process. The problem occurred when I deployed this solution on IIS where it did not create the process as it was creating in local dev environment. Can anybody tell me how to create a windows process through a solution which is hosted on IIS ? private string GetPathForExe(string fileName) { private const string keyBase = @"SOFTWARE\Wow6432Node\MyApplication"; RegistryKey localMachine = Registry.LocalMachine; RegistryKey fileKey = localMachine.OpenSubKey(string.Format(@"{0}\{1}", keyBase, fileName)); object result = null; if (fileKey != null) { result = fileKey.GetValue("InstallPath"); } fileKey.Close(); return (string)result; } public void StartMyApplication() { Process[] pname = Process.GetProcessesByName("MyApplication"); if (pname.Length == 0) { string appDirectory = GetPathForExe("MyApplication"); Directory.SetCurrentDirectory(appDirectory); ProcessStartInfo procStartInfo = new ProcessStartInfo("MyApplication.exe"); procStartInfo.WindowStyle = ProcessWindowStyle.Hidden; Process proc = new Process(); proc.StartInfo = procStartInfo; proc.Start(); } }

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  • Checking for nulls in ASP.NET MVC Controllers

    - by Brian McCord
    Another opinion question: What is the proper (in your opinion) to check for nulls in an MVC controller. For instance, if you have an edit controller that fetches a record from the db based on an id, what do you do if that record is not found? I found this article, but I'm not sure I like that method. Do you just check for it with an if statement and redirect to a 404 page? What solution do you use?

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  • non contiguous String object C#.net

    - by Kazoom
    By what i understand String and StringBuilder objects both allocate contiguous memory underneath. My program runs for days buffering several output in a String object. This sometimes cause outofmemoryexception which i think is because of non availability of contiguous memory. my string size can go upto 100MBs and i m concatenating new string frequently this causes new string object being allocated. i can reduce new string object creation by using Stringbuilder but that would not solve my problem entirely Is there an alternative to a contiguous string object?

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