Hi, I have a problem with my website (aspx/c#); I get a 'Server Application Unavailable' when the host (127.0.0.1/localhost) does not have an network connection (tcp cable unplugged, on purpose ) I use: - dotNET 2.0 (!!, Google searches place this behaviour with dotNET 1.0) - IIS 5,1 - WinXP...more >>

A script on this page is causing internet explorer to run slowly. If it continues to run, your computer may become unresponsive. How to disable the popup when a javascript is very slow....more >>

I have a Menu control that populates from a SiteMap file. It's on my Master Page and usually loads content pages. I've got 2 problems at the moment: - Some of my menu items point to an external web site or to a PDF document instead of just loading the next internal page. I want these extern...more >>

I have been trying to figure this one out. I really need help. I have a relationship between two tables - product and colors. I have a repeater listing the products and then each product has a drop down with the corresponding colors. However when I try to view the page I get: Exception De...more >>

Hi There, Just wondering if in ASP .NET 2.0 C# you can change the web page programatically? I am wanting to click a button, perform some code in the button click function, and then change pages. Thanks, Peter. ...more >>

Hi, Suddenly (at least, I think so) when I rebuild a web deployment project in VS.NET 2005, it strips off British pound signs e.g. £10 becomes 10. Has anyone else seen this...? Is there a way round it...? Any assistance gratefully received. Mark ...more >>

Hi All, I'm a new comer to web development as well as asp.net. So when i fired up my first database driven page, i knew i had a problem of not having a persistent database connection across postbacks. I tried to piggyback the connection object to application object and it didn't work. W...more >>

Compiler Error Message: BC30367: Class 'System.Web.HttpContext' cannot be indexed because it has no default property. how do I create a "default property" ?? ...more >>

I have a gridview. Do I have to create a datalist if I want my image to have a link embedded in it? I want to click the image. Thank you. ...more >>

I am having an issue when I trigger a Response.Redirect, the Page_Load fires on the page where the Response.Redirect was called. From what I've read, this should not happen and the browser should be sent to page that was passed in teh Response.Redirect page. The AutoEventWireup is set to false...more >>

I have strip-mined, strip-searched, and completely exhausted the=20 Internet (up to the 30th page on Google, with 100 results per page!!),=20 all without finding an answer to my question AS TO WHY IT IS IMPOSSIBLE=20 TO PROGRAMMATICALLY ADD A BUTTON TO A DYNAMICALLY CREATED PAGE. Or, to be mor...more >>

Hi I'm using the code shown here to export only my DataGrid to Excel. http://www.c-sharpcorner.com/Code/2003/Sept/ExportASPNetDataGridToExcel.asp In my page I have two DropDownListBox, two Textboxes, two buttons and the DataGrid. Issue Number1 In this line: Response.End(); I receive ...more >>

I have a dropdown that gives me an error when I do a FindByText, such as: Dim temp as ListItem = JobTitles.Items.FindByText("BarTender") temp.Selected = True or JobTitles.Items.FindByValue("BarTender").Selected = True I get the error: Object reference not set to an ins...more >>

Hi all, The issue I'm having is when a control is fired and causes a post back, the page actually refreshes twice. Once as a postback and the second time is not. I created a simple aspx page with one button and in the Page_Load section did a System.Diagnostics.Trace.WriteLine(IsPostBack)...more >>

Is it possible to use both Forms and Windows Auth in a Web.Config file for a single website. We want to use Forms for general auth, but then we want to use Windows for access to a specific folder. ...more >>

Hi, I had posted this once earlier, but couldnt get my problem solved. When i run an asp.net application in windows 2003 server with IIS 6.0, it "SOMETIMES" gives me the below given error. Please note that it gives this error only ONCE IN A WHILE. To test if this error has anything to do...more >>

I am irked about the way the IDE is mangling my HTML. I type it in all nice and neat like this. <TABLE width="100%"> <TR> <TD> <TABLE width="100%"> <TR vAlign=top> <TD align=right width=43> <A href="/Account/...more >>

How can I pass an argument in this line below? http://publicdocs.medbd.ca.gov/pdl/mbc.aspx?qtxtLicenseNumber=33287 If I remove this ?qtxtLicenseNumber=33287 and just type 33287 in the search box like a human user, it works fine Can you please post a working example? Thanks! Alex Gl...more >>

I put my StrongNameKey.snk in my root foler. in my assemblyinfo.vb I have: <Assembly: AssemblyKeyFileAttribute("StrongNameKey.snk")> I get the error "Error creating assembly manifest: Error reading key file 'StrongNameKey.snk' -- The system cannot find the file specified." ??? /M...more >>

My ASP.NET 2.0 application has a User Control that contains a DataList that is unable to get style information from a style located in a css file in the themes folder. The user control CssClass and the DataList ItemStyle CssClass properties are both set to a valid name of a style in a styleshe...more >>

I checked the rendered html and found __doPostBack() function was not found in the html source. Is there a reason? How do I force it to be generated. The page seems to function properly for post back but I DO need the __doPostBack() function to post back by a child popup window. ...more >>

I am using a custom server control in my webpage which renders some html. while it creates the html, it develops an arraylist of values. Is there a way to capture the arraylist from the control so it can also be used on the same web page ? this needs to happen in the post back. ...more >>

Hi: I'm having problems reading a Microsoft Access file from my ASP.Net app on a Windows Server 2003 machine. The error message: The Microsoft database engine cannot open the file, <my_file>. It is already opened exclusively by another user, or you need permission to view its data. I've ...more >>

I want to use registration free COM component in the ASP.NET application. I found the articel about registration free COM in the windows application: http://msdn.microsoft.com/msdnmag/issues/05/04/RegFreeCOM/default.aspx So I have wrote the manifest file for my COM component and tested this with ...more >>

...more >>

Does anyone know how to set a minimum selectable date in the calendar server control that come with VS2005? I do not want to use validators...I want the days before the selectable period to be grayed out. ...more >>

I have kind of a complicated issue. I need to be able to have someone come to our online application and simply hit "Create Labels" from there idealy Microsoft Word would pop up and all of our records from the SQL Server would be inserted into a special Avery template. I dont know where to sta...more >>

Hi All, We have an ASP.NET 2.0 (C#) intranet application that needs to spawn = multiple browsers using RegisterClientScriptBlock. Here's what we got = so far: // Go thru each datarow in the datatable foreach (System.Data.DataRow drReportGroupsDetails in = tableReportGroupsDetails.Rows) { ...more >>

So I wrote an HttpHandler that does a bunch of processing then writes a gif to the HttpContext. What I want to do is have my handler intercept any requests for *random.gif How might I go about getting this to work? Of course my handler works perfect on my dev machine....because I added this...more >>

Hi There, I am creating an ASP .NET C# web site. Just wondering how can I get an event to occur at the same time every day. E.G. I want the site to automatically email me every day with the contents of a log file. Thanks, Peter. ...more >>

Please look at the "what I've already done" section of this message before responding to it: I believe that I've done everything that the people who experience this error are typically told to do. I have created an ASP.NET web service that I have running on my development machine, and am tryi...more >>

Hi, Can anyone tell me how can I create images from data ? I've seen something similar on some sites while creating account, they create image containing random created numbers and letters. Is there a control I can use or can I use some .NET class/es ? thanx, Neven ...more >>

Anyone know how to integrate an ASP.NET website with MLS (multiple listing service, used by realtors)? I want my site to display housing listings, etc... Thanks! ...more >>

I have a javascript menu in my app, I need to hide certains menu options based on the credentails of the user logging into the app. How can I hide menu items on a javascript menu based on log in creditionals? example: if the user logged in is a Owner then he would see "wholesale" as a menu ...more >>

I have an app that requires the use of a 2 dimensional array of checkboxes. I can't seem to assign any values to them. I tried this: Dim BonusChecks(0, 0) As CheckBox ...and then later when I know the domensions I'll need: ReDim BonusChecks(x,y) ' (3,3), no error BonusChecks(0,0).ID = "...more >>

Hello, I'm having a strange problem with gridview, I have a portion of code that binds data to the gridview: gvCategories.DataSource = dt gvCategories.DataKeyNames = New String() {"id_category"} gvCategories.DataBind() and I have a RowDeleting event handler that do...more >>

ASP.NET with VB.NET using 2.0 framework I've created a class (myClass) under App_Code specific to my web application. I have a method in myClass called Display: Public Function Display(ByRef aWebPage As Web.UI.Page) As Boolean Select Case aWebPage.Page.ToString ...more >>

I have a custom server control which renders some html. I want to capture some interim values generated by the control as it processes the data. is there a way to capture and retrieve the interim values generated by the control, so they can be used elsewhere in the display page ? ...more >>

I am unable to create the application.dll file for my application when I build my web application. Also, when I look at the configuration settings, it only allows me to select Debug for my app. Any suggestions on how to go about building the application.dll file so I can distribute the applica...more >>

How can I create a hyperlink in a datagrid were I'm autogenerating the columns? I need to have a link to the document listed in the grid....more >>

I was reading "Rick Strahl's WebLog" and he mentions that in .net 2.0 web apps, there are no namespaces (I verified this by creating simple web app). I converted a VS 2003 web app that had namespaces and the VS 2005 still has them in there. Should I remove them? I'm also having an issue d...more >>

Hi all, I am new to 2.0 and themes. i would like to make all of my web projects have the same themes when I create a new project. Is this possible? Thanks and have a great day, Ryan ...more >>

Hi I want to create a Web Services where I receive a Template DOT word a file XML and with these I create a Document that a I'll Send as Dime Attachment. <WebMethod()> _ Public Function CreateDimeWord(ByVal DotName As String, ByVal sXML As String) As String Dim respCon...more >>

I try to build my first web form application with C#. I want to program the downloading of a file to the client . Therefore I can use WebClient.DownloadFile (url, filepath ); I would like that the user is able to select the directory(on his machine) with a kind of a control ? How can I...more >>

Hello there anyone knows about the new CallbackEventreference? How does it really work... I made it working through a dropdown list.. I cannot understand how the "string arguments" works... how many arguments can I pass and in what? how does it relates with the javascript function" than...more >>

Over the next few months our company will be adding ecommerce functionality to a new web based service we are developing. Customers can sign up for the service and pay for it either on a monthly basis (where their credit card will be charged automatically each month) or a yearly subscription....more >>

I'm trying to export a datalist to Excel with this code: Response.Clear() Response.Buffer = True Response.Charset = "" Response.ContentType = "application/vnd.ms-excel" Me.EnableViewState = False Dim sw As StringWriter = New StringWriter() ...more >>

I have 2 question 1) I have to read a folder which contains files and show all of the file on my web page, how can I accomplish that? 2) is it possible to show them in a grid and allow the user to click on the file name and have the files open? ...more >>

I have a folder in the web directory with all the images in them (ex:c:\inetpub\wwwroot\Photographs\l_photos\Elephant001.jpg)and the image folder is named as "l_photos". Large pictures Also there is another file identical only difference is i call it as "s_photos" For thumbnails small pictures....more >>

I have a button inside a panel control. Apparently I can't expect VB to respond to the button's _Click event. How do I capture the click event? Thanks Ken ...more >>

Hi, I want to export an entire Page to excel. If I try to export the page with Inline disposition: Response.AddHeader("content-disposition", "inline;filename=abc.xls"); the css and formatting appears properly. However, if I use "Attachment" type Response.AddHeader("content-disposition", "atta...more >>

I want to cache a simple HTML page inside mi ASPNET app, how? -- thks. ...more >>

hi, i'm a newbie to dotnet... I need help on xml responses received from a web service.. How to parse the xml response....sent by a web service.. I dont want to use the proxy object created .net when I add a web service.. I want to parase the Xml response nad request manually.. Which...more >>

Hi, I am creating a Composite Control within which I have a GridView. In this GridView, I have three TemplateFields, the last one being a template with a LinkButton which is meant to be clicked so I can capture this event to do something about it. The problem is that in the CreateChildControl...more >>

Hello All: How have you used the DataRowView. I am familiar w/ DataRow (of course!), but haven't had the need to use the DataRowView. When would you use it? Thanks. Joe...more >>

I have a listbox that is databound when my form loads. A user can then select and option using a drop down box. When the user selects an option the corresponding items in the listbox gets selected. How can I show those selected items at the top of my listbox. The issue is when the user selects ...more >>

I want to minimize the amount of SSL traffic on my page so, can I Have SSL for the Login User Control and Not the rest of the page? How do I tell if the Login is secure? ...more >>

Hi, I dont know if this is the right forum for this question but I hope someone is able to answer this for me. I know a lot of information can be retrieved using IIS Log files. But there seems to be something that my boss wants me to do. Find a way to implant a cookie on user and get more i...more >>

Why I can set MasterPage file programmatically, but cannot set property ContentPlaceHolderId for Content control programmatically? There are no limitation in documentation. It is not logically, IMHO....more >>

Hello All: Visual Studio constantly rearranges the HTML in my pages. I know that someone posted how to turn this off. Would someone please repost it? Thanks, -- Joe...more >>

Hi, Is there any standard approach /best practices to achieve browser compatibility. We have a web application which contains both ASP and ASP.NET pages. We would like to achieve complete browser independance. Currently we are at a loss on how to approach this issue. Any guidance will be highl...more >>

Hi there, i'm looking for some code which can generate a screenshot of a Web Page. The user will provide the URL and then submit this to the server. The server then calls some code which extracts the HTML source and generates an image from that. Anybody seen this kind of functionality some...more >>

I have found many very simple examples of how to debug javascript from VS 2005 and have to reproduced them exactly. But for some unknown reason my Script Explorer window shows no files. I have IE configured properly. Has anyone else experienced this and perhaps found a solution? I am using the P...more >>

Hello! I have (hopefully) a very simple question. I need to define an application level collection variable for an ASP.NET 2.0 web application, and fill it with data when the application starts. The collection needs to be defined and filled with data on the "Application_Start()" event, w...more >>

Hi there, I am trying to configure a brand new Windows 2003 server. I need to move an intranet application onto this server, however, I have the following problem with ASP.Net. In the properties for the Default Web Site in IIS, on the ASP.Net tab, there is only 1 version of .Net available to s...more >>

I am using AJAX, it works very fine.............. But the problem is my back end aspx page does not get refreshed rather it picks old values now when I execute the aspx page explictly then the out put on my page(where AJAX code has been written) gets reflected..... What could be done...... ...more >>

Greetings - I have found very little definitive information on this. From what I can surmize at some point the ability to update an image in the gridview using the imagefield was removed from the final version of asp.net 2.0? If this is the case, does anyone have any work arounds for how t...more >>

Hi I want to detect a name in brackets - eg (Bas) - being selected in a dropdownlist. I intended to use the RegEx validator with ^\(.*\)$ which should work. My problem is that the value of the dropdownlist is not the same as the displayed text (ie it is the ID of the selected item) and the ...more >>