I am a newbie of ASP.Net. In my first appliction. I connect a webform using an OleDbConnection object. I also put a Datagrid on the web form and populate the datagrid with datareader. However, I couldn't get through. I got the error of : "The Microsoft Jet database engine cannot open the file ' ....more >>

Hi Friends! I am new to VB.net. I tried to build a simple web application and tried to view it but it says debugging is not possible and if I disable the debugging the page is shown on browser without controls. Whats is wrong? I have tried to repair and fix the installation but the prob...more >>

Hello, I have a website, www.mysite.com. It has information populated from a database on a per-city basis. I would like to make it so that if you go to city.mysite.com, the city information provided is filtered to include only the city specified. For example, boston.mysite.com will provide a ...more >>

I have just started playing around with Visual Studio.net 2003 Enterprise Architech. I do not have much VS or ASP.NET experience and am just starting learning, having previously done development in VB6 and Dreamweaver MX/2004. Any way - I created a new VB ASP.NET Web Project in VS and just r...more >>

I'm working on a solution to upload multiple images (gallery) at once to a database. The path to the images is saved in the Database, and the images are stored on disk. How do i make a dialogbox that will allow the user to browse his own harddrive, select multiple (multiple is important here) ...more >>

I have been looking throught the Microsoft Quickstart examples and it looks like (at a very minumum glance) the use of updating Datasets throught the dataAdapter isn't really in much use. I am somewhat new to this but I thought that I would see a much greater reliance on this method of updating ...more >>

Win2k server (not a domain controller) attempting to share a virtual directory from a XP box. Now matter how I try to log in I get access denied. Tried Administrator, ASP.NET, Guest etc. Made sure Guest account enabled on XP box with directory shared everyone full access. Any Ideas? ...more >>

Hi, I have done my ASP.NET applications authentication like in Duwamish example. My directory structure is like below APPROOT (IIS virtual path = TRACK) default.aspx <-- contains the logon procedures web.config SECURED <secured directory> web.config ...more >>

In our production webserver I am seeing this event few times. Any idea what is causing this issue? Source: ASP.NET 1.1.4322.0 EventID: 1088 Description: Failed to execute request because the App-Domain could not be created. Error: 0x80070020 The process cannot access the file because it is b...more >>

I currently create an cache item called 'skey' as follow. I need to clear this cache when the client browser closes. Is this possible? Dim sKey As String = username + password Dim sUser As String = Convert.ToString(HttpContext.Current.Cache.Get(sKey)) Dim SessTimeOut As New TimeSpan(0, 0, H...more >>

I am having issues with a page timing out while using DataView to go to SQL to run a Stored Procedure to populate a DataGrid so I looked around and found that if I use a SQLReader I can specify a Timeout value. Problem now is how to sort the data as desired. Right now I am using pieced toget...more >>

Hello, I'd like to catch the onchange or onclick event of the RadioButtonlist = to empty a textbox when the user click the second item of the = radiobuttonlist. Is it possible with Javascript ? How ? TIA, Olivier....more >>

I'm seeking an example application that does the following. A user clicks a button on a .aspx page and this event notifies listening winform applications that the button was clicked, and maybe sends a text string or something. The winform application is to be No-Touch deployed from the ASP...more >>

Hi, I have written ActiveX control. When I run aspx page, I get message: "Object doesn't support this property or method", e.g CardReader.Run(); line. But it works fine in simple test html page. Why it does not work in ASPX? In debugger I see that CardReader is not null. Here is the co...more >>

We are working on an "Upload" program, and need to get information on how to import data using VS.Net in VB. We will be importing the data in an excel or text format, possibly in XML; but it could be any one of the three formats. Most likely it will be text files. Is there somewhere I can get infor...more >>

Hello, I have a CSS file (mycss.css) that has the following: ..Arial_RedB08 {font-family: Arial, Helvetica, Verdana; font-size: 8pt; font-weight: bold; color: rgb(204, 51, 51);} I am including that CSS into my page: <link rel="stylesheet" type="text/css" href="../../Connections/price.cs...more >>

Hello, I am developing an application in asp.net and have just discovered that some users might have locked down machines that have cookies and client side javascript disabled. I was aware of the cookie issue so all state between pages is maintained in other ways (querystring and serializat...more >>

Although the HttpApplication object contains an Application_Start event handler method, it doesn't seem to have a public Start event that I can attach a different event handler to. It's really strange. There's a BeginRequest event that corresponds with ths Application_BeginRequest event handl...more >>

I have defined a class, but my attributes (<XMLRoot... and <XmlElement...) all have squiggly lines under them stating that the attributes are 'not defined'. Do I have to 'import' something? Any ideas? ...more >>

Wanted to confirm that i should be able to run multiple copies of the same application (same version) by essentially copying over the application files to a new physical location on the server and setting up a virtual folder for it. One of the reasons i want to do this is because i need to run an...more >>

I've got an asp.net app that seems to be hanging on to memory resources and not releasing them. The w3wp process in windows 2000 grows out of control. I've set iis to runn the app in an application pool which uses 2 worker processes and recycles them when 600 megs of memory or 800 megs of virtua...more >>

I have an ASP.NET app that is running on a W2k3 DC. The app needs to access a network share. I have given the "Network Service" profile full access to the share. The code successfully reads files but can't write to files within the share. My app does not use impersonation and the IIS Applicatio...more >>

Hi, how can I switch of AutoPostBack for a single button on my page? (the button is only used for a popup) Thanks, Steffen ...more >>

Hello everyone. If I hit the back button on my data entry form I can still get the cached page. I have tried <% pStr = "private, no-cache, must-revalidate" Response.ExpiresAbsolute = #2000-01-01# Response.AddHeader "pragma", "no-cache" Response.AddHeader "cache-control"...more >>

I am returning a dataset object from a web service method to a subscribing web form application. I create a dataset object and set the value equal to the passed dataset. When I databind to a datagrid, nothing happens. I have had luck doing this directly but not by passing the object from a web se...more >>

I have a vb.net .aspx page. It has a treeview and a form. When I create a new order in my database I have the tree create a parent node at the top of the tree. Now, when I edit the form, autopostbac, or update, etc. and do a postback it adds the same node again. I cannot figure out how t...more >>

How can I right Justify something in a textbox? There seems to be no property for that. Thanks, Gary ...more >>

I'd like to further discuss this thread: "code behind problems in vs.net 2003" http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&threadm=%23yjuxqL4DHA.2184%40TK2MSFTNGP10.phx.gbl&rnum=24&prev=/groups%3Fq%3Dcodebehind%2Bdifferent%2Bdirectory%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3DUTF-8%2...more >>

I'm trying to start a process that will show an html based help system from my application. It seems every time the Process.Start("Iexplore.exe", "myhelp.html") is executed a new instanc of IE is created. This is not really what I want. I want to be able to use an existing IE window. There is Cre...more >>

I was reading about xml serialization and the article referred to "public properties and fields of an object". What is the difference between a property and field? Can you provide an example? Thanks. ...more >>

In explorer if I browse to \\printservername\printername I connect to a printer, and add it to my list of printers. If I wanna do this within a webform, and I do: <a href="\\printservername\printername">Printer Name</a> When I hover over the link in IE, it points to file://printservername/print...more >>

I have an asp.net application on a win2003 standard server using sql server 2000sp3 and I appear to be having some problems with updates/inserts getting mixed when multiple users are on the system. Here is what happened: My application is used to enter employee data, which includes a list of ...more >>

Hi If using font size 50% or 100% what size is the precent is from? Thanks ...more >>

Anybody know of good asp.net monitoring tools for a webserver out there. Possibly freebies or low cost is ok. I want to monitor user statistics. Yes i know i can build my own. I am not in the mood for building that right now. -- Regards, Alvin Bruney [ASP.NET MVP] Got tidbits? Get it her...more >>

Hi, In my webforms, I've a Finalize() proc with a MyBase.Finalize() statement in it. I'm trying to get my head round destructors and when to use them. Can anyone shed some light on best practice on when to use the above please? Should I have one of these in every form's code behind or jus...more >>

I am getting a strange javascript style error when viewing one of our webpages. http://64.213.162.194/Products/ProductPage.aspx?pid=5412 When visiting that page (passing any valid product id) results in a javascript style error. The text is below: Line: 3 Char: 1 Error: Syntax err...more >>

Hi, qnyone know how I can get NUnit to work with the connection string being pulled from my web.config? ...more >>

My goal is to have an ASP.NET button that prints a file that is not necessarily open,but is accessible to the net. So javascript window.print() wouldn't work. So when the button is pressed, the web application knows that path to the document and prints it. Is that possible? I believe the Pr...more >>

Hi! Please help me with this problem. I think this is very strange and i should work now because I have been through many solution of thi problem to remove this enter password dialog box, but none of the helped me. I know that you probebly think that the IUSR_.. accoun probebly don't have ac...more >>

Hi All Am using VS2003 and have created a ASP.NET project. Pages work as they should locally. Moved things up to testing server and now getting the 'Parser Error: Could not load type 'blah blah blah' Did a search here and see that I need to move my /bin contents up to the server, but I don't se...more >>

In VB6 there use to be the very usefull debug.print ... In .NET all I could find is System.Diagnostics.Debug.WriteLine("stuff"). The result is in the 'output window' along with a bunch of events I dont need to see. Is there an equivalent to debug.print and the immediate window ? Merci !...more >>

When I click the aspx page, system popup a window - "The file failed to load in the web form designer. Please correct the following error, then load it again: the designer could not be shown for this file because none of the classes within it can be designed. The designer inspected the following ...more >>

I've got a signed ActiveX control which runs just fine embedded into an html page but when i use the same code in an aspx page, i get first the "An ActiveX control on this page is not safe..." error and then the "Object doesn't support this property or method" error. Why the different and how ...more >>

Hi, How to encrypt the database connection string, store it in the Web.config file and then retive and decrypt it. Any links to articles would be great. Thanks Freddy ...more >>

Hi, Here is my challenge : I have a linkbutton on my form that stays invisible while a variable is = empty. Another button is displaying a panel (set to visible), thus, on the same = form. That panel's save button will save some user entry to the database and = make sure the variable me...more >>

I've got code that runs fine if i double click an html file. If i copy that same code into a aspx page and try to run it i first get the "An ActiveX control on this page is unsafe..." error and then i get an "Object doesn't support this property or method". Why does it run fine in the browser...more >>

I'm trying to set focus to a control when the page is loaded. The control may be different from one entry to the next so I cannot just hardcode it into the <body onload..>. I've tried several variations using registerstartupscript, and I see the script before the <\form>, but it doesn't seem to fi...more >>

I created a .NET web app for my company last year which allows customers to see parts of their account in our CRM database, this app uses session variables to store their account number and logged in status. My boss wants me to create a separate web app in which the customer will log in to the si...more >>

I have a collections class that inherits from CollectionsBase. I've implemented "Add" but I would like that to be the only method exposed...I don't want "RemoveAt" or any of those others in CollectionsBase exposed. Is there a way to do that Thanks...more >>

(1) Can someone explain in a nutshell what this is, (2) when it's most useful and (3) post a quick sample code for serializing/deserializing? Thanks. ...more >>

Friends, I have a DLL which makes a connection to the database and other functions as well. I have been using this DLL sucessfully in asp based websites. I want to use this DLL in aspx but with no sucess. I want to create a siteheader.vb where in I want to Instantiate this DLL and use it t...more >>

Ok, this is something that has been bothering me for a while. When I use the cache I usually check if a cache request returns null. If that is the case I merrily proceed to loading the resource from disk, or whatever place it resides in. The problem is that when you start thinking about the ef...more >>

Hello, I'm new to the ASP side of dot net, and I can't figure this out. I have a button on a web form. When clicked, it creates a class and adds 2 event handlers. It takes about five seconds before either event is raised. My problem is that the page is sent back to the browser before one of th...more >>

Hi group, can somebody tell me what the big advantage of a dataset is? Is ADO.NET the same? Why should I not access the SQL Server directly?? Thanks Steffen ...more >>

I've just filled a dataset with 1 row from a table in my database I want to get the value of one of the fields I'm using string atLastMyValue DataSet ds DataTable dt DataRow dr; in myTable.Rows DataColumn dc dt = ds.Tables[0] dr = dt.Rows[0] dc = dt.Columns["myFieldName"] atLastMyValue ...more >>

Hello. I'm developing a site that has a bunch of shared functions in .vb file I reuse from different pages. I'm trying to implement Request.ServerVariables in one of those functions and have hit a snag. In testing this out, I used the same method within a page (an aspx.vb codebehind page) and it...more >>

If I cal dataAdapter.Fill(dataSet and the dataSet contains no records because the query didn't match anythin how can I tell if the DataSet is empty The Tables.Count and Rows.Count are both 1 I'm using if (dataSet.GetXml() != "<NewDataSet />" which seems really flaky to me. Tables.Count and R...more >>

Hi I have a textbox (input type = text runat=server) and a requiredfield validator for the text box. I have a onchange event for the textbox. IE provides an "AutoComplete" option for a textbox. (When we click on the textbox we see the list of content that was entered previously. This optio...more >>

Hell When can we expect a servicepack relese from Microsoft for ".net framework 1.1". We have seen INFO: ASP.NET 1.1 June 2003 Hotfix Rollup Packag http://support.microsoft.com/default.aspx?scid=kb;en-us;82115 FIX: A user receives a "security exception" error message while running user code t...more >>

When i start debugging i get an error saying unable to start debugging in ASP.NET application....more >>

H I have a page with a Datagrid on it, where users can create new rows etc. In each row, there are a few DropDownLists. The selection from each at the moment does a postback and re-populates all the others. Currently, this works fine, but is far too slow!! For one line-entry, it needs at least 3 p...more >>

Hi, Is there a way to know how many rows have been fetched into dataset when we are filling huge amount of data. I want to show the progress status in the ASP.net UI in a fixed intervals. Please let me know the best way to do this. thanks -kitty...more >>

Hi, I've read lots of postings about multithreading in asp.net. All the samples use sessions to get the work done. A typical sample starts the thread in one page and goes to another page for checking the status of the thread using sessions. I wanted to know the background thread life cycle usin...more >>

Hello I am using Excel Application in my Asp.Net page. for this i used Excell Application, workbook, workshee class. I am using vb as script for coding. Simple of my code i Dim xlApp as Excel.Applicatio Dim xlwBook as Excel.Workbook Dim xlwSheet as Excel.Workshe xlApp=new Excel.Applicatio xlwB...more >>

I need to create a toolbar something similar to that of Google Toolbar usin either VB.NET or C#. How do I proceed? How do I attach my toolbar to th IE?...more >>

Hi, I'm interested in how ASP.NET really works under the hood. What steps are taken during a request, how and when is the asp process created, how is the aspx code integrated with code-behind and so on... Is there a paper or magazine article written which shed some light on the ASP.NET i...more >>

Hi all, Am using multithreading for the first time in .NETweb application. I have code like below.Iam creating 3 methods to invoke 3 methods simultaneously. In each method i will the assign the loop index to var which i display in the web page. But it behaves very strangely.Sometimes the m...more >>