Hi, How do I convert the short date 4/25/2005 to 20050425? Thanks...more >>

Hi! This has been annoying me all day, and I can't get it to work It is really driving me nuts! Basicly this simple webapp created to illustrate my problem, renders five buttons, and adds a handler to the click event. When a button is clicked, the background-color is set to blue. Try ...more >>

I've created another .config file (site.config) to avoid restarting when web.config is changed, but changes in this new .config file only take effect when the application restarts. I would like to know how to view this changes or restart it manually. Thanks Pietro ...more >>

Hi, I have produced a custom server control that simple outputs a row of 26 buttons, one button for each letter of the english alphabet. now what I would like to do is catch the button click inside the server control when it is clicked on. however when I click on a button at present I get a...more >>

I have a datagrid and want to identify the primary key. Each time I try I get an error System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index The code I am using seems straight forward enough. Pri...more >>

Hi, I am using ASP.NET SmtpMail to send email using the following code public void SendEmail(string From, string To, string Subject, StringBuilder Message, string Attachment, string mailFormat) { MailMessage mailMessage = new MailMessage (); mailMessage.From = From; mailMessag...more >>

Hello! How I can set width and height properties of image when Hyperlink ImageUrl is set? Thanks! James ...more >>

I read that using stored procedures in your codes can make it more efficient. But say if I only want to do simple queries like Select Col1 From Table1 Where Col1="ABC", should I actually use a stored procedure?...more >>

Friends, After I installed Windows XP SP2, I often found error when I running ASP.NET Web Application on my desktop. The error is shown as following: Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please r...more >>

I've run a site with beta 1.0 without any problems. Since I've installed Beta 2.0 I can't even run a simple empty page. Creating an empty site, adding a Default.aspx form. This runs on the temporary IIS started from within the studio. But copying the site to the real IIS site, I get the er...more >>

Hi all. I'm trying to get an RSAParamerters object from a PFX file. Please HELP! I'm totally stuck for answers! Cheers. Sushant ...more >>

Greetings all, I am having a problem with an asp.net application using C# which is a thumbnail generator. Here is the code used... http://www.eggheadcafe.com/articles/20030515.asp It works fine for .jpg images but for some reason it doesn't work with .gif images. The author of the article...more >>

Hello, I'm having difficulty handling cookies with paths other than "/". An HttpWebRequest object returns these headers: Date: Tue, 26 Apr 2005 21:29:39 GMT Server: Apache/1.3.33 (Unix) PHP/4.3.10 Set-cookie: phpusid=12345; path=/; expires=Wednesday, 09-Nov-2008 23:12:40 GMT,data=deleted...more >>

Visual Web Developer 2005 Express Edition Beta I did Build | Build Web site, where are the DLLs? I was expecting to see maybe one dll for each Web page in a directory (maybe still "bin") under Inetpub/wwwroot/mywebsite/ Thanks. ...more >>

Hi Can someone explain to me what the difference is between a PreRender event and the Page Load event for a webform? ch Jimmy ...more >>

I am new to ASP.Net and having this problem. First of all I am using C# in Microsoft Visual Studio 2003. In one of my webforms I have TextBoxes to collect data from users. when I view the form using view form in Browser, everything is alright. However, when I run the aspx file that contains th...more >>

I have a .net website that seems to timeout after only about 30 minutes. In the web.config, I have the line: <authentication mode="Forms"> <forms name="AuthCookie" path="/" loginUrl="CGPLogin.aspx" protection="All" timeout="480"> </forms> </authenticat...more >>

A few users today received the message "The trust relationship between this workstation and the primary domain failed" on their web browser while using an ASP.NET web app. The problem went away but has anyone seen this before on a error page? I think it occured when users were reporting general...more >>

Hi, I hope I can find answers to my questions here. 1. How to execute a Private Sub in VB, from a Javascript function event. 2. How to get a JavaScript Var value from the html page and return to the VB Codebehind. 3. If there is a way to execute a JavaScript function before the VB Code b...more >>

I have a couple of pages that have started showing an odd problem. When the code calls Response.Redirect("file.aspx"), nothing happens. The page goes white, and the old URL and querystring are displayed at the top of the page. The page that was redirected towards does not come up. Any id...more >>

Does anyone have the location for some documentation about how this works internally? I am trying to do some statistical analysis of sessions. I see some strange results with the created date getting updated in a session? I would like to know how all the parts of the database relate and are u...more >>

Hello, I have a reasonable amount of VB.net knowledge but my ASP.net skills are in their infancy. I want to create what I assumed was not an uncommon task that I could not accomplish in VB.net. I am attempting to create an application that will enable me to stop and restart an application on ...more >>

hi i m creating one simple web application on localhost and sql server 2000 = (hosted somewhere else).. can anyone suggest wht should be the web.cofig file (for general website..tht allows = everybody) and IIS setting for localhost... thanx in advance dave...more >>

I have a textbox that is being used for a CustomValidator control, however I would like that textbox to be hidden. If I set the visible property to false, the CustomValidator will not work. Any thoughts? *** Sent via Developersdex http://www.developersdex.com ***...more >>

When I look at the HTTPContext.Current at a breakpoint in a Business Object instanntiated by a Page class, the Handler is set to nothing. It only has a value from within the page class itself. I was hoping to get a reference to the page object via CType(httpcontext.current.handler,page) Anything ...more >>

I've downloaded IE Web Controls for ASP.NET I'm using Visual Studio.NET and I included the tabstrip inside a custom user control. In the visual studio editor the tab strip appears correctly but when running on IE it shows only the text labels.!!!!!!!! I've placed the dll in the bin director...more >>

I'm trying to code a free-standing VBScript, executed by Windows Script Host on a client system, to push a button on an ASP .NET webpage that is hosted by another server. Note that the script is not part of a webpage and does not execute in a web browser. Instead, the script uses Msxml2.XMLHTT...more >>

Hi Below is a code snippet that returns XML from SQL server... than I iterate to get all records that are appended to a StringBuilder object /** Pseudo Code **/ SQLReader = SQLCommand.ExecuteReader (); while ( SQLReader.Read() ) { StringBuilder.Append ( SQLReader.GetValue ( 0 ) ); ...more >>

I have 2 controls on a page that need to be defined by absolute horiz. and vert. sizes, and both need to be a percentage of the screen size. Does anyone know of a easy way to grab the screen extents, divide them by fractions that can then be assigned to the controls on initialization. I am ...more >>

I have 2 controls on a page that need to be defined by absolute horiz. and vert. sizes, and both need to be a percentage of the screen size. Does anyone know of a easy way to grab the screen extents, divide them by fractions that can then be assigned to the controls on initialization. I am ...more >>

Hello! I defined a custom collection class that inherits from CollectionBase, it works fine... Now, I would like to add each item an ID property, so I could access items in the collection by ID. What I need is a sample how I can generate unique ID each time when a new Item is added to th...more >>

I really miss c++ .... I have an SqlConnection object within my Web.UI.Page object. The thinking is that the connection to the database server is opened once when the page starts to do its thing, then when everything is rendered down to the browser, and all references to the page object are e...more >>

I have a website with a couple of application variables and a class library with a bunch of shared methods. The web has a reference to the shared library. In some of the shared methods I need to retrieve data from the application state. How do I do this? Thanks, Ryan ...more >>

I have a problem, I want to enter euro sign (=80) into a textbox.. but after the postback, it is displayed as '?' .Can anybody help me with this issue. Thx ...more >>

Hello - If I have a choice of putting everything on one Webform page or splitting it between four pages, should I opt to use the four to improve performance? Will it really make any difference? All of these pages (or one if I choose to use one) access a Sql Server 2000 database. Than...more >>

Hi, I have a DataGrid in my web page and there is a column in that grid which template column with linkButton. When Clicked the linkButton it should not refresh the page, rather it should open a file in notepad. I am not able to resolve it. Can you please help me with code how to do it? I have...more >>

Is there a way to set the default style for all textboxes on a page, and a different one for all labels? Like the way the body style controls all body text. 1. given: I have a style called .smlbl for all lables and smtxt for all textboxes. 2. where in the document would i set it for the defa...more >>

My development system and the production system run the same basic pages, as you would guess. After I browse the production site and then switch to my development site, using IE 6.0, for some reason the javascript for my menu still thinks I'm on the production site and any menu items that I pres...more >>

I have put code inside this method (Global.asax) but not even after re-starting my machine or the aspnet_wp.exe service it seems to execute the code inside of it. When does this methods really gets called? Any ideas? Thanks. ...more >>

I have a website written in VB.Net. I have a utility library where every function is Shared and written in VB.Net. Now I wonder if my utility library is thread safe. In could rewrite my library in C# and use the lock keyword. Or I could use J# and use the synchronized keyword. What in heck, d...more >>

I have two different web pages...one has 2 textboxes (Username and Pwd) and an Image button, in this webpage if the user enters his username and pwd and hits enter, the ImageButton's click event is fired. In the other WebPage I just have a Textbox and an imageButton, vut in this one if the use...more >>

I know there's got to be a way to do this, and it's probably easy, but I need some help... I have a VB.NET /ASP.NET application that works just fine. Built it and tested against a development database. It's time to move it into production. But the DB folks keep separate environments for Dev...more >>

I'm thinking about switching to the studio 2005 version 1. how stable is it? 2. i need to develope for 1.1 because microsoft does not want 2.0 on production servers at this time. Can i still do this with out too many issues? thanks again everyone! kes...more >>

Hi I want to use FlowLayout when desiging web-forms, however, is there a better way to align controls rather than using a table? as using a table doesn't allow me to access the controls in the designer. Thanks Kev ...more >>

I have an asp.net web page that: 1. Shows a message 2. Posts back (using javascript) 3. Reads contents of a file 4. response.write the contents of the file to the browser My issue is this: If a user hits this page and decides to save the page for offline browsing, they are not saving the ...more >>

I have an asp:table inside an itemtemplate of a datalist (dlstForDetails) the id in three rows of the table is, tblrMembers1, tblrServices1, tblrBelongs1 Depending on the "go" value of the querystring I want to show or hide any of these rows. The code is the following but I get the error ...more >>

I have a web application which consist of a huge form with many requiredfieldvalidators. Before the user submits, I want to prompt the user to print. I have tried to do this with the help of a CustomValidator and javascript, but I can't get the CustomValidator to fire. Does anyone have...more >>

I have recently been deploying a asp.net extranet application. The asp.net worker process starts off with 30MB virtual memory and then upon serving a few pages, the memory usage increases to a WHOOPIN! 200MB and eventully the asp.net process restarts at 300MB and my application becomes "u...more >>

In Global asax the Session_End Sub fires off every now and then. I only want it to fire when I call Session.Abandon() but it fires off totally randon when just suring around in my ASP.NET solution. Does anyone have any ideas abotu this why it happens? best regards/ Lars Netzel ...more >>

Create a web app. Create a master page. Create a content page for that master page. Try to view the Design tab of the content page. Consistently get error. I have reinstalled VS several times and same error occurs. Warning 1 Could not load type 'Microsoft.VisualStudio.Shell.Interop.SVs...more >>

I store a few things in my app's Application state. Sometimes I need to change them, so I have been calling Application.RemoveAll() using the following line, and then re-inserting my variables with their new values: System.Web.HttpContext.Current.Application.RemoveAll(); Is this a safe thi...more >>

Hi, We are currently running an asp.net application where we are using sql server to store session state. There are a couple of areas where we store the state in a class that we then add to the session object. The classes in question use the [Serializable] attribute. This seemed to work w...more >>

Hello Masters! Anyone can help me with the datagrid, well, the app load a lot of data from DB and it show on the datagrid, and well, I need to allow paging and.... the issue is with the event PageIndexChanged of the datagrid 'coz every time when the user change of page the app load again...more >>

Hello all, first time posting here and I am running into a pickle of a problem. Here is the scenario. I have a Windows 2000 server running IIS and an ASP.net C# application. The application talks to a MS SQL server on the same box. I have the connection string: myConnection = New System.Da...more >>

I am new to implementing LDAP I need directions to implement LDAP. I am using Win XP Prof. I need to access the User Groups also able assign the users to different groups. I need to create Test app to see how it works. Any detailed articles ?? Thanks -- http://pathidotnet.blogs...more >>

I need to install the Office XP PIA files on a server, and the Microsoft instructions says it needs the .Net Command Prompt to run them. I do not have Visual Studio installed on the server, nor do I want to. Is there a way around this or a way to just install the Command Prompt tool on the serve...more >>

I am trying to end excel and word processes that are spawned by program that does mail merge. The processes run under the impersonation of my network login. I have tried GC.Collect() and it doesnt work. Any ideas? ...more >>

Why does the click event of an image button that submitts a form does not get fired when ENTER is pressend on a textbox of that form? How can I make this happen? Thanks ...more >>

Does anyone have suggestions/documentation on how I can write a procedure to take all the email address in my DB and verify them against the mail server. So, i would like to send each email to the webserver and return something to say valid or not. I have been out of writing .NET code for ...more >>

hi all, I was curious to know as to which language is used more for the codebehind files in aspnet is it VB.net or C#?I want to prepare for certification and wanted to decide wehther i want to go for the vb.net track or C#. I like C# more than VB.net but I would like to know whats popular i...more >>

this code compiles ok: public string AssureAnonUID( ) { if (Session["AnonUID"] == null) Session["AnonUID"] = Guid.NewGuid(); return Session["AnonUID"].ToString(); } but this code does not: public string AssureAnonUID( ) { Guid guid = (Guid) Session["AnonUID"]...more >>

Guys, Is the itemdatabound event for Datagrid recursive? I have two columns in grid one with Label and another with linkbutton. I need to set the visibility of linkbutton to visible or hidden depending on value of label text. Can someone post some code for VB .net on how to achieve this? ...more >>

Hi, I want to open a text file in notepad when cliked on button or link in client machine? How to do it? Thanks you so much in advance Rabi -- POST BY: http://www.dotNET.us - Need .NET? Just ask, Please dotNET.us...more >>

I'd like to know when a DataSet is the preferred way to retrieve, and specifically update/delete, data in an ASP.NET application. I've been using straight SQL by using the SqlCommand and SqlDataReader objects. I'd like to know if there is anything wrong with this approach. It appears that i...more >>

Is there a simple command I can use to retrieve the username of the user currently logged onto a client PC, viewing my ASP.NET page? I really want the ASP.NET equivalent of SystemInformation.UserName...more >>

Hi The texts in the dropdown are too long and the width is not sufficient to show the entire text. Increasing the width is not an option. Is there a way to show the selected item text as a tooltip on mouse over? Thanks Rjn *** Sent via Developersdex http://www.developersdex.com ***...more >>

I am using the following code and it works fine. Instead of hard coding the location for saving the file I will like to use the file dialog box in windows. So that the user and give a name to the file and also select a location to save it in. I then would like to grab the path and file name ...more >>

Hi, I have a question: If I have a frameset, frame1 and frame2. On frame2 I have a datagrid, on which I can add/update/delete rows. If I submit that page, I catch these changes in events and update my objects with it. Now do I want a button in frame1, which does save. The problem is that ...more >>

Hi all, I'm using the ASP.net 2.0 Beta 1, and in the html section of my page the asp tags dosn't appear, and i get a warning if i wrote them. Any help...more >>

hi all, Here is the situation, I have some 100s of PDF documents in a folder on a webserver. Is there a method to print the PDF documents without actually opening them on the client site in ASP.net. Something like providing the name of the file to print and the printer can print it. Any...more >>

Hey I would like to write some chat application on ASP.Net but there are 2 options : first refresh every 2 seconds ( OK... ), or write control that stays connected to the server. How to make such a control that stays connected in a browser, I saw that cutechat have something like this, becau...more >>

Hi guys I'm using Microsoft Word from asp.net, using VB Script CreateObject etc to load Word on the client. It keeps coming up with the "run active x control" dialog, saying that MSWord is not signed. 2 questions... why is it not signed? I'd have though MS would sign all its ActiveX ...more >>

Hello, I've got another kind of DllNotFoundException problem happening to my Web Application. My application uses a C# dll (lets call it managed.dll) which has a static wrapper method for a function in a Win32 dll (lets call it unmanaged.dll) which generates some product key. So the chain is ...more >>

I have a .net aspx page MyPage.aspx (client side) with code behind MyPage.aspx.vb (server side). I use the Page_Load event in MyPage.aspx.vb to load data into a multiteir class based collection. MyCollection(sYear).cMonths(sMonth).cDays(sDay).cEvents(sID).EventText My problem arrive...more >>

I have an .net aspx page MyPage.aspx (client side), with code behind MyPage.aspx.vb (server side) I use the pages server On_Load event (.aspx.vb) to create a collection using classes. Public Class CollectionPage Inherits Web.UI.Page ...more >>

Our application has both static and dynamic pages. For dynamic pages through language resource files, we are getting corresponding language labels. But the problem is we have more than 60% of static pages with lots of stuff in different formattings. How to achieve multilingual capability in ...more >>

Hello everyone! I have uploaded my site on a webserver. Some times it works fine but some time it gives error "Null Object reference exception". The same site on my local server works just fine. When I change the "global.ascx" and ".dll" file in "bin" directory, it starts working fine but a...more >>