I'm trying to stream download an excel file from a web server. When the "Open/Save/Cancel" dialog comes up, clicking "Save" will save the file just fine. But, clicking "Open" will result in another "Open/Save/Cancel" dialog which I also have to click "Open" on. What gives with the double dialog ...more >>

I got an ASP site, which displays anything from forms, even the username and password in the address bar. How do I tell it not todo that? -- Kind Regards Rudi Ahlers +27 (82) 926 1689 For as he thinks in his heart, so he is. ... (Proverbs 23:7) ...more >>

Is it possible to control the appearence of data grid control using external style sheets ? If so, what should be the syntax ? Thanks, Ram ...more >>

I am not sure how to pass the variable. It seems to need an int, but if I try to pass an in, it drops the commas Dim dr As SqlDataReader = appGen.AppInfoBuild("1,2,3,4") Public Function AppInfoBuild(ByVal appVals As String) ' Create Instance of Connection and Command Object Dim myCo...more >>

Hi, In one of our datagrids we have just added some hyperlinks. One is plain, the other is a template control. Neither seems to fire the itemcommand event when clicked. The handler is specified in the html view, and we have buttons on the grid that do fire the event. Is this normal that hy...more >>

I'm using a dropdownlist, and upon a click of a button object, I want to process the value selected. Yet, DDL.SelectedItem.Text is an empty string, though an item was selected (Index = 0). Am I missing a setting somewhere? ...more >>

Aren't web controls by their very nature bad form? I mean considering 99.9999 percent of the web control examples could be done client side, wouldnt it be better to do them client side? When i think about all the asp.net examples ive seen on these boards doing things like hiding panels etc it ge...more >>

Somthings gotta give as the fun has ended... Win XP Pro SP1 IE 6, all Hotfixes applied The assembly listed below is in the GAC, but error has listed other referenced assembilies, including projects in the solution. I can do builds for a while, then BAM!, I get this error and have to reboot. F...more >>

I have a ton of pictures that I want to display on a personal site. I used to create the thumbnails in photoshop and upload both the thumbnail and original to my web server. I would like to automate this process in order to make it less time consuming when I update my pictures. Here's my tho...more >>

This is an odd one. I have an application (rather large) that has a page where data from a single dataset binds to two controls. The one control is a Calendar control, which binds to the dataset directly. The other control is a DataGrid, which is bound to the same dataset, though it is filtere...more >>

I read an article about SQL Script Injection, it teaches me how to prevent it using old fashion ASP: String: p_strUsername = Replace(Request.Form("txtUsername"), "'", "''") INT: p_lngID = CLng(Request("ID")) How about C# in .NET? Any suggestions? Thanks. ...more >>

Hello, I have a question regarding what would be the suggested practive in the following problem: I am about to create a report generation library. This library would take html template and use data to populate this template many times, thus createing long multi-page html code. Now, I want ...more >>

Hi, In my application I have a lot of functions that use a try.. catch to to write execption info to a label at the top of my page. Is there anyway that I could do this at a page-level, instead of a try..catch in every function. My goal is to allow users to see the execption (like "you cant de...more >>

I have been told that the site I set up using ASP.Net is non-functional when accessed by Netscape and Mozilla browsers. Is this a known issue or have I done something stupid? TIA. -- Al Reid "It ain't what you don't know that gets you into trouble. It's what you know for sure that jus...more >>

Hi all, supose i send 3 values to a function which resides in a class. I want to work with those 3 numbers and return for ex 2 values. i send value A, B, C to my function and it has to return Y=A-B, Z=C+Y I know how to return 1 value. How can I accomplish this? Eric ...more >>

hello, i have implemented a page template. ie: i have a template class which my asp.net page inherits. i have tried to set a PageTitle property on my template class but it doesn't work because the title property gets called after the page is "rendered". This means that the aspx page is ren...more >>

We are working on a large C# .NET application and have recently run into this very strange problem on two different pages created by two separate developers: - The pages contain multiple textboxes, dropdowns, etc. - there is one textbox.focus() javascript on the pages -- inserted via the page...more >>

Hi, i have the code attached down. i am using this HTML Check box and have it set up runat server. Now if once we select this checkbox and subit the page after that if keeps the Checkbox checked all the time. For somereason the next change is the State is not getting reflected or handled proper...more >>

Can anyone recommend any good articles on best practices for updating live asp.net websites Thanks, S ...more >>

Hi There I am having to a problem uploading modified content (images, css, js) Proxies seem to be caching the content and the only way I can force the proxy to download the content again seems to be to rename the extenions like image.gif to image.gif?NC or style.css to style.css?NC It is ...more >>

Hi there! How Can I forbid my user to turn back the pages that he has just visited in a browse? Is it possible? Like, cleaning his web historic... thanks so much Marcos ...more >>

What does it take to enable users to change the appearance of text through a browser (e.g., change font size, font face, color, indentation, etc)? For an example of what I'm inquiring about, you can see it on many of the free Web-based e-mail editors. thanks. ...more >>

I have to create an xml file that will include a field that must be base64 encoded. This field will be later displayed as a word doc, (it will be given a .doc extension) although it is actually a databound asp page showing a job description. I think what I need to do is convert the asp page t...more >>

Hi does anybody knows how to embed an image into a mail without using 3rd party software? Thanks ...more >>

I have this working somewhat but need to figure out how to do the following, using Forms authentication mode I have start pag link1--goes to another pag link2--goes to login page-goes to default.aspx if username and password is in the web.config fil need to ad link3--goes to login page-then go...more >>

TextBox txtCondition; DropDownList ddlLevels; DropDownList ddlPriorities; Button btnSearch; private void btnSearch_Click(object sender, EventArgs e) { if (ddlLevels.SelectedItem.Text == "1") { ddlPriorities.SelectedIndexChanged += new EventHandler(this.Priority1handler) ...more >>

Hi all, I'm programming a survey with multiple-choice responses implemented as radio buttons. The quirk is that questions should be added or taken out according to the user's response. If the user answers "1" to question 7, magically questions 7A, 7B & 7C should appear under 7A and 'push' t...more >>

So say I have a collection of instances of object A's. Now each object A has a reference to an object B. If object A has a property called "Description" I can get at it in a datagrid bound to my collection of object A's using: <%# DataBinder.Eval(Container.DataItem, "Description")%> ...more >>

Anyone reccomend a good ASP.NET book ( by personal experience ) which as a good section on configuring security/publishing to IIS. + all the other design stuff one needs WRT ASP.NET Thanks in advance ! ...more >>

I want to be able to persist a dataset over multiple page request and different pages. What is the difference between using Cache and Session to do this? ...more >>

I've been going over the MS Application blocks and saw a sub procedure which did not appear to change the value of the object passed in so i could'nt figure out how the object's value got changed. A friend here told me that what was going on was that if an object is passed into a sub even if ByV...more >>

I need to programmatically upload some files (may contain binary data) to internal web servers. These are not exposed to internet. I am looking for a solution that would enable me to do this. I checked out HtmlInputFile control. It is geared towards interactive users. I am looking for a progra...more >>

I need to cache a large collection of object (that expires and can reload) in a webservice for performance reason. I want the data to presist over different users so I can't use the context.cache object provided. So, I created a new instance of the cache object myself. However, I am having p...more >>

How do I submit a ASPX form to lets say thankyou.aspx? I tried writing in the action attribute of the form tag but it seems to submit to same page only. What am I doing wrong here? Thanks LIN ...more >>

Hi. I have a complex web application. Actually it's an application server that uses xml over http ( it's not SOAP ). The xml is handled by an asp.net page and calls the framework. My problem is that after the asp.net page is done executing, the web application terminates. I placed a line wi...more >>

I have a simple web site with open access that does not require the user to log in, fill out ant forms, etc. Is there a way to prevent ASP.Net from generating and sending Session Cookies? TIA, -- Al Reid "It ain't what you don't know that gets you into trouble. It's what you know for s...more >>

Hi, I have a problem with my site. The site is working fine since last year, and today we change our Web Server (from Win2000 to Win2003 Ent) and my site is not working on the new server, a receive the following error. File or assembly name Microsoft.Data.Odbc, or one...more >>

Hi, I am trying to setup a program where instead of the application starting with a login page and then being redirected to the start page after login, the application opens for all with several links, and if the user selects a specific link, then they go through the log in procedure. Not sure if ...more >>

Hi, I have an asp .net page which includes several custom user controls. Each user control has its own template (.ascx file) Now, I want my graphical people to be able to add a link to a stylesheet file on top of the template file. This link should then be included in the head section of th...more >>

In the page_onInit sub of my page, I'm adding user controls dynamically using following code : newControl = page.LoadControl("~/modules/footer.ascx") page.controls.add(newControl) In what state is the control I added ? The control has been initialized, loaded, rendered ? Jill ...more >>

Hello, I have a test aspx page with 2 textboxes which will update an Access mdb table (which contains several fields but I work with the following fields): txtID, txtCity, txtZip I set param0 to txtID, param1 to txtzip. Then I enter data in the textboxes (txtID and txtZip) to update t...more >>

Hello All I was wondering how one can display a GIF image while processing is being done in the background for better user experience Any tutorials/references Thanks!!...more >>

I found some code that writes text entries to an XML file. Part of the logic includes a call to a method that processes every single character prior to being written out to the XML file (see the code below). I'm just wondering what the benefit is of making the substitutions made by this logic. ...more >>

My web app starts a process on a separate thread that is long running while I display the user a please wait page. This process writes continuously to a log file. It would be a good idea to display its contents in the wait page so the user knows something is going on. I tried the following in th...more >>

I belive for primitive types, it is must efficient to use convert.toXXX() instead of the ctype. How does the DirectCast differ? How does parse differ? Say I have the following code to assign the value from a textbox to a datetime variable: dim x as datetime = txtDate.text I'm wonderin...more >>

Just had a question I set up the path as c:/ and file name for the cookies file in the web.config file, but I can not locate the cookie file after running the web app. Is it hidden, do you know where it is normally stored? I am running a .NET app just using my machine, and am using entries in t...more >>

Hi all, I need to set a field value of a DataRow to null(SQL Server Null equivalent) in C#. I tried following but it gave me an error: rowProposal["TotalCost"] = DBNull; The error: 'System.DBNull denotes a class where a variable was expected. So How can I set this field to SQL Server Nul...more >>

We have written an asp.net app to use the Session object and will be using a web farm, therefore we are going to use out of process serialization using the asp.net state service. We have a question as far as object references go within our objects that will be serialized in session. Here's ...more >>

Given that the HttpSessionState's collection takes in object type, is it better to define types that need to be stored in the collection as class rather than struct? ...more >>

Hi everybody! Does anyone know how can I, using a URL of a web page, load this page to the server and display it as image, meaning that the whole page will be displayed to the end user as a jpg screenshot. Thanks! Itai ...more >>

We have just deployed an ASP.NET application on a server, wich is a Pentium 4. The thing that bugs me is that we have one big session per user when they log on to our site. Each sessions can contains a collection of 4000 items, so I was asking myself what would it do if 1000 user logs on to...more >>

I have added a control in the headertemplate of a datagrid. it's a dropdownlist control. What I want to be able to do is populate that control based on some data. My problem is that I can't access the control. I tried: DataGrid1.FindControl("frmpriority") and (DropDownList)DataGr...more >>

Hi, Does anyone know a way to find out what the value & name of all session variables currently are? I have an app that has about 50 or so, and I don't want to query each one individually. Some sort of loop around the seesion collection ? Thanks, Steve ...more >>

I've got a page that is fairly complex with a bunch of DDLs and a RTE and buttons/labels. I noticed that it loads exquisitely slowly and it's not due to the size of the recordset. It to be very slow to draw the controls and I'm wondering if I've shot myself in the proverbial foot by laying it ...more >>

Ive implemented a HTTPModule for my website. My problem is that my website is divided into two sections. One graphical version and one text only version. Both contain aspx files and the site is organized in a rather complex way with the text only and graphical versions of the pages all reside to...more >>

How do I find the aspnet local password when my machine.config is set to AutoGenerate? I need to login to my local host as this user. Thanks for your help....more >>

HI DEAR DEVELOPERS ! :)) If anyone has 1 minute to explain me something : > How to find out the width and height of a picture that has been uploaded through HTML inputfile control to the Server ? I would really appreciate if you would write me some code, not only explain me > THNX...L...more >>

I've got a "Stock order form" that I need to create for an ASP.Net application. What the client is looking for is basically a table that has 25 lines. There will be a 2 text boxes on each line, 1 for the user to supply part number and one for the user to supply quantity. This will allo...more >>

Hi all, I want to access a asp.net variable from Javascript. I tried the following line in Javascript but it did not work. sAccountNo is the ASP.Net variable I need to access and store its value in a Javascript variable. var AccountNo = "<%= sAccountNo %>"; I also tried the following lin...more >>

I have an application programming (accounting system) which is developed in VB 6.I want to port this application into web enviroment. I don't know which language is best suit to write this application in web form. Java , PHP or ASP NET which will be the best option....more >>

Hi all, I've just finished writing a website using aspx pages (with VB behind) and it seems to be working adequately, except that I anticipate that it will become fairly slow as the number of concurrent users (up to possible 1000) start using it - no surprise. However, now my job is to try to...more >>

hiye, how do i count files e.g image file on my folder. i want do list out a list of images into small tables. but before i do that i would like to know the total file 1st. can that be done smen...more >>

I am getting this error message when I run Aspx form of a Visual Basic .Net Applicatio "It is invalid to show a modal dialog or form when the application is not running in UserInteractive mode. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a service app...more >>

Hello all, I'm writing an ASP.NET web page that will call a web service. Another developer here stated that he believed that due to the System.Net connection limit being set to 2 that only two connections can be made from the web page to the web service. We are expecting many concurrent pag...more >>

How do I put a reference to an assembly in to a C# aspx or global.asax page. I am trying to import a name space, but the name space is not found because of the lack of the reference to the assembly that defines it. Thanks ------------------------------------------- Roy Chastain KMSystems, In...more >>

Hi, I have a html<input> of file type and i would like the user to upload multiples times using the same input.so i would like to clear the input.PostedFile.FileName eveyrtime they click on say a button, n then show the filename in a placeholder(is that the best option or will a label do?), and...more >>

Hi all, Can I get the calendar not to autopostback om choosing a date, it's alright when changing months but not on choosing dates. Also, is there a way to disable all dates before the 'tomorrow' date? Thanks, / jorge...more >>

I use an RFV, but don't want validation performed if I click a particular button ('Cancel'). How can I bypass the validation? ...more >>

If I have a utility class, let's say BankAccount and I have a static class member "double balance" which is initialized in a static constructor to 0, does this class member exist for the lifetime of my asp.net application? Or, is it initialized every time my application is hit on from a web p...more >>

I have an ASP.NET application that uses forms-based authentication. A user wishes to be able to run multiple sessions of this application simultaneously from the user's client machine The web.config file is configured as such <authentication mode="Forms"><forms loginUrl="Login.aspx" protection="...more >>

Hi I get an error when I try and debug ASP.NET apps in VS.NET. "Unable to start debuggin on the web server. The debugger is not properly installed. Run setup to install or repair the debugger. Where do I install from?...more >>

Hi, is there a way to install the ASP.NET State Service stand alone? I intend to run the service on our database-server and do not want to install IIS on that machine. When I choose to install ASP.NET on my W2K3-Server it chooses to install all the stuff necessary to run a ASP.NET applic...more >>

Hi everyone, I'm interested to know if it's possible to capture a web page state in ASP.NET so that you can come back to it. For example, I have a Datagrid with sort turned on individual columns. This Datagrid displays Company Addresses. Now lets say the user click on Sort Datagrid by Conta...more >>

Hello there, I have a form with nine textboxes named as txt1, txt2, txt3.....txt9. I would like to populate these boxes with values from database. how can i do this in Page_load sub? i mean in client side javascript, u can use eval function like :- for(i=1;i<10;i++) { eval('document....more >>

Hello. I'm a newbie to VS.NET, ASP.NET, and IIS. I just installed VS.NET and IIS and created a simple .htm in VS.NET under asp.net web applications, then installed IIS. I plan to use IIS as my web server on the internet (Win XP Pro) Anyways, IIS sees my site just fine, but when I try to n...more >>

I am new to both C# and ASP.NET. I want to convert the VB.NET codes below to C#: Dim localColor As System.Drawing.Color localColor = CType(ViewState("labelColor"), System.Drawing.Color) I got an compilation error when I try the following code: System.Drawing.Color localColor; localColor = (S...more >>

VS.NET 2002/VB In my dev environment, every ten or so times that I build-and-run my Web app, I get an "Access Denied" on my ClassLib. When I rebuild the ClassLib, I can then build-and-run my app another ten or so times, and then I get the "Access Denied" message again. Once again, I have to reb...more >>

I've been experiencing problems with getting the selected value from a DropDownList. I'm using a codebehind-solution and I'm filling a DropDownList with ListItems in the Page_Load method and all works fine. The problem arises when I try to get the selected item in the DropDownList in an event handle...more >>

Hi, I'm trying to call an asp.net subroutine from a javascript function. Does anyone have got the solution and an example? Thanks in advance!...more >>

I'm unable to open an Access database. When I try to access it I get the message "The Microsoft Jet database engine cannot open the file C:\Databases\Joes.mdb'. It is already opened exclusively by another user, or you need permission to view its data". I have the userName set to "System" and t...more >>

HI DEAR DEVELOPERS ! :)) If anyone has 1 minute to explain me something : How to find out the width and height of a picture that has been uploaded through HTML inputfile control to the Server ? THNX...Long live ASP.NET :)) ...more >>

Hi ALL !! I have to programatically render certain numbers of HTML inputFILE controls. I know that the code for that is: Dim control As Control = FindControl("Form1") For i = 1 To 10 Dim file As New HtmlInputFile() control.Controls.Add(file) Next This produces stream of 10 con...more >>