Hi, is it possibile to change the format of a file by coding (in the codebehind) the function "Save As..." ?? My aim is to change a html file which is visible in Excel, into a .xls file by coding it in the codebehind of a web page (C#) Please help me ;)...more >>

hi, i have a problem which bothered me for a long time. i tried to connect my asp.net page with sql server express 2005 and always got some error msg telling that the current nt account doen't have enough permission. i know this happens because i havn't given proper permission to the int...more >>

Hi, This might be a little odd but I need to implement a back/"return to previous page" function from different pages within my asp.net application. The page the back button on has a property that stores an id value that the page i will be returning to will require to display data. The en...more >>

I have a CheckBoxList with 11 items in the collection. I save the checked item to a SQL DB, A record is created for each item checked for the current customer.I want to redisplay checks in the fields that contain 1's when I retrieve the records for that customer but I can't figure out the syntax ...more >>

Why doesn't try..catch work on my asp.net page? Try Dim n As Integer = 10 n = n / 0 Catch ex As Exception ' ignore error End Try When I single step over the n=n/0 line, it goes straight to the standard ASP.NET error page. Why isn't the TRY ignored? Thanks, Rob. ...more >>

Hi, I'm trying to setup the Web Config file so that the connection string is read from it but I'm not sure what I'm doing wrong. The error I get is: The ConnectionString property has not been initialized. I also tried to create a virtual path but that didn't work. My application is at c:\in...more >>

Hello, I need to write an asp.net page that pushes a files to the user for download. The code I wrote works just fine, in that it sends a file to the user. But the HTML controls on the page are not updated.. private void Button1_Click(object sender, System.EventArgs e) { //part 1 TextBox3...more >>

i have a hidden template column that contains a label which is populated with a SQL Timestamp. the problem is each time i bring the timestamp out it is coming out as "System.Byte[]" which is just a string i understand that the timestamp cannot be seen as its binary but what/how am i meant to s...more >>

Why do i get "Invalid attempt to FieldCount when reader is closed" Is the problem the way the datareader reads data as opposed to a dataset? When trying to compile this code:- Dim reader As IDataReader = GetReader() Dim chart As New LineChart() chart.DataXValueField = "P...more >>

I have a Win2k server running SQL Server 2000. On that box I built a working web service that pulls data from the database. One of the services available simply accepts an ado.net connection string to test if a connection can be made to the local server. I can call that web service from any box ...more >>

What is the correct method/property to call? I tried HttpRequest.Url, but that didn't work from inside my WebMethod. ...more >>

Is there any way of accessing session variables from within Session_End? If not... what type of variables ARE accessible? Is there some way of finding out which particular session has ended? Thanks. -- Lucas Tam (REMOVEnntp@rogers.com) Please delete "REMOVE" from the e-mail address whe...more >>

I'm trying to use : <META HTTP-EQUIV="Refresh" CONTENT="180; URL=main.aspx"> to refresh a mobile page (made in vs.net with the MMIT) for a page that I need to refresh every 3 minutes, but I can't get it to do anything. Does it have anything to do with the fact the server may be behind a f...more >>

Hi folks, I am a complete newbie to ASP.NET, VB, etc... I am coming from a Cold Fusion background where it only takes me 4 lines to query a MSSQL db and display a field name. Please, how do I connect to my SQL db using the DSN ("mydsnname") and then select "thisfieldname" from "thistablename"....more >>

Hi, In my site there are user postings and on certain condition I want to send Notification to users informaing them about their postings details. I am using SQL Server 2000. I dont want to use the Notifications Services provided in SQL Server. Is there any other way to do the same ? Thanks...more >>

Hi, I am wondering if anyone has the source code (in C# or VB.net) to retrive pop emails from the server. Please DO NOT suggest with somesort of component solution because I can not trust the dlls (sorry for being rude!) Thanks in advance. Your help is appreciated. Prodip ...more >>

hello experts.... -i'm having a datagrid with 10 columns and 4 rows and one submit button. -the fields are eno,ename,eid,and 4 check boxes -after entering values when i clik the submit button the values i entered must passt to next page and displayed in datagrid and at the same time it must b...more >>

I am attempting to test a VeriSign account and the setup instructions stated that the certs file needed to go into the Windows\System32 folder. I am getting an error from the code-behind assebly stating it cannot find it in the certs chain and is pointing to a path in C:\Program Files\Microsoft ...more >>

This error seems to be sprinkled all across google and all across the newsgroups however there do not appear to be any solidified answers. Here is my scenario. I have a Web User Control that contains several properties that are of a custom class. This Class Contains multiple pro...more >>

Currently our application is reading from the web.config, and retrieves a section, "softwareRequirements". Because the section will begin to grow dramatically, I'd like to place it in the SQL database instead. I've imported the values, and am retrieving them as FOR XML AUTO in the stored ...more >>

I have a DTS set up in MS SQL. Can that be called programatically from an aspx page? I could just rewrite the DTS so that all the functionality is directly in the ASPX page, but since it's already written as a DTS, I thought I'd first check to see if I can do that programatically... -Darrel...more >>

This is a follow up to a semi-regular question I've had off and on. The main question is how to get one set of variables from an XML file so that various usercontrols on the page can all use them. I've been playing with different options...using an interface, a function, passing variables be...more >>

Hello, I first have a working embedded ActiveX control in a HTML page that has PARAM NAME statements in it. I am looking for help on how to pass these parameter strings to the HTML page instead of hardcoding using C#. Thanks in advance, Bob Hanson *** Sent via Developersdex http:/...more >>

I'm just getting up to speed on Application Pools in IIS6 and I'm wondering if there would be any good reason to stick with the default value of [20 minutes] for the Idle Timeout value for Worker processes (found in IIS Manager, Worker Pool Properties | Performance tab). I'm thinking about s...more >>

A Dilemma that I keep being faced with is a scenario where I require authentication on virtually everything. HTMl files, GIF files, XML files, JavaScript files and etc. And I am constantly dealing with Administrators who refuse to allow me to map items so that asp.net handles authentication ...more >>

Hi there, I was wondering if there was a way to crop a peice of an ASP.Net Image, allowing the user to zoom in on only a section of the picture?? any help would be appreciated!! thanks -- AdamPC@hotmail.com...more >>

Hi there, I was wonder how I could rotate an image in Asp.Net... I've found this code: Image1.Style.Add("filter", "progid:DXImageTransform.Microsoft.BasicImage(rotation=' + 1 + ')") ... but this only allows you to rotate (1, 2, 3, 4) or 90, 180, 270, or 360 degrees... but whatabout the ...more >>

Hi, When I try and use Javascript to post page form data from one aspx page to another I get the error 'Unable to validate data. '. I am not trying to read the data using web controls I am trying to read using the request object (Request.Form("FieldName")). I have had this working before...more >>

I have an asp.net application that I need to run from multiple different virtual directories. However, I don't want simply copy an instance of the application into each of these directories as that would be a maintenance nightmare. Also, each of these directories will need to have a separate c...more >>

Hi, I have the expression = "<font[^>]+>""([^""]*)""</font>[^?]+\?AUTHOR_ID=3D[0-9]+"">([^<]*)</a>" Any body can tell me what is the meaning of that expression and = what is the output of the expression. Regards, Muhammad Jamil Nawaz...more >>

HI ALL I'M COMING FROM A FOX PRO BACKGROUND WHERE I COULD IN A VERY EASY WAY CREATE A SEACH FACILITY BY PRESSING N F1 AND ANOTHER WINDOW WILL DIRECTLY APPEAR WHICH WOULD LET THE USER TO SEARCH FRO A SPECIFIC DATAVALUE AND INSERT IT IN A TEXTBOX IN THE ORIGINAL FORM. I WOULD LIKE TO CREATE A SIM...more >>

Should a dataadapter retrieve the default values from an SQL Server database and assign these values to a datatable? It does not work for me. Thanks. ...more >>

Hello! I developed a web application to display results from the database. Now I need to add search function, to search, sort and filter data. My question is, which way is better... 1) Store all related data in a single DataSet and use DataView to filter and sort data OR 2) Join r...more >>

Hi, I'm not sure if I've broken my VS.NET installation or if there has always been a bug of some sort, but basically Find in Entire Solution (ctrl-shift-F) isn't finding strings in my solution's project files which I KNOW are there. For example, if I search for Page_Load (which is in man...more >>

This "Countdown Timer" code works fine with Ie, but I receive an "Error: Form1 is not defined" error with Firefox 1.0.0 and 1.0.1. <body MS_POSITIONING="FlowLayout" onload="InitializeTimer()"> <form name="Form1" method="post" action="test.aspx" id="Form1"> <script language=JavaScript> v...more >>

Hi, What's the equivalent for AppDomain.CurrentDomain.BaseDirectory in asp.net? Trying to access web app directory for reading and writing xml files. Thanks, JJ...more >>

Hi all, I'm trying to create a text file on the fly for a user of an ASP.NET application to download. So far the code I have is: MemoryStream oStream = null; // using System.IO string contenttype = "text/plain"; string contentdisposition = "filename=report.txt"; oStream = new MemoryStream(...more >>

Based upon some prevoius postings on what to do for adding a 'add' row to a datagrid I utilize the footer to create the 'add' row. The only issue is that I have it sharing the 'UpDate_Command' and I use an argument to difference between an 'edit' vs. and 'add. But since I have field validation...more >>

hi I have 2 drop down lists in my application.1st list ontains itmes like java,jsp,swings,vb.net etc.2nd list contains percentage i.e it conatains the items like 50,60,70,80,90,100. i will select any skill in 1st drop down list then i'll select % of this skill in the 2nd list box , based ...more >>

Many (if not most) have said that code-behind is best if working in teams - which does seem logical. How do you deal with the flow of the work? I have someone who is good at designing, but know nothing about ASP. He can build the design of the pages in HTML with tables, labels, textboxes ...more >>

I allow users to upload their own images, but I need to display them in a small space. I can use the src tags to limit the size, but this doesn't keep the aspect ratio. How can I display any image using a set WIDTH and have the HEIGHT resize to fit the aspect ration? Failing any java or coo...more >>

I have an application where I am using impersonation. My development workstation is XP. For development, things went smoothly. However when deploying to the server, which is Windows Server 2003, I started getting a permissions error on the dynamically-generated folder for the application in ...more >>

Hi in my application there is one textbox and for this textbox i've placed regular expression validator. so it hat to accept characters , numbers , dots(.) and # symbols can anybody tell me how to write regular expression for this. thanx in advance yoshitha. ...more >>

Hi all, Have been getting no luck lately, but there must be a way i can recording audio from the website and save it.. It's no problem on applications (VB.Net), and I know other have done it before on the Websites - ASP.Net (I think by writing it in C++ or vb6 or something - and then embede...more >>

Hi, Does anyone know how to retrieve "C:\WINDOWS\Microsoft.NET\Framework\{version}\Temporary ASP.NET Files" directory name programmatically ?=20 Thanks in advance. S=E9rgio Silva ...more >>

Hi, As I am dynamically loading a user control in a web form (.aspx), I am wondering if I can pass one or more parameter(s) to the user control and use after loading it. The reason is, because that I load the user control based on certain conditions using Dataset, I don't want to make anoth...more >>

I have a problme in the date time format, i'm building an asp.net application in this application i want to have the same date time format as it is in the windows regional seeting i want that the text box that contains the dat and time to diaply the dat and time on client side as it is specified...more >>

How do I create client events for a radio button? Do I have to switch to HTML controls? The code below doesn't work. <body MS_POSITIONING="FlowLayout"> <script runat="server"> Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Radio...more >>

Hi, My asp.net application is working fine in my system. when i'm executing the same application in server am not getting the controls in my webform. for e.g. in default page i've placed dropdownlist box and text boxes and command buttons. in server sytem when i run my application , the items i...more >>

Hello all!! Working on a datgrid, codeing for my update button. When it trys to update I get the input string error. Here is part of my code, where I'm having problems. .Add(New SqlParameter("@ProductName", _ SqlDbType.NVarChar, 40)).Value = txtProductName ...more >>

I'm using Visual Studio to build ASP.Net pages and I'm trying to be standards compliant by using XHTML. In my page I create valid XHTML such as: <ul> <li>first list item</li> <li>second list item<br /> includes a line break</li> </ul> When I switch between design and HTML modes ...more >>

I have an aspx page that was developed initially in Dreamweaver as a regular html file. I have added a few textboxes and required validators. The problem is that the client side validation is not firing. Only server side is working - I have verified javascript is enabled - aspnet_client f...more >>

Does it matter whether Doctype is after the Page line? At the moment, I have my pages as so: <%@ Page Language="VB" trace="false" debug="true" AutoEventWireup="true" ContentType="text/html" ResponseEncoding="iso-8859-1" %> <%@ Register TagPrefix="fts" TAgName="header" src="..\includes\def...more >>

I was curious if MS_POSITIONING="GridLayout" is supported in the Body tag? I was running DW using a page with this in it and it says it isn't supported in the Body tag. It says "The MS_POSITIONING attribute of the Body tag is not supported. [Microsoft Internet Explorer 5.0, Microsoft Interne...more >>

I've configured my application to email me exceptions. I've gotten this one a few times recently and I don;t think it's related to anything I've (knowingly) done. Anyone know what this means or more importantly, how can I stop it from happening? Thanks! System.Web.HttpException: Exception...more >>

Is it posible to send a message with Windows messenger (or net send) form a web page ? I can send e-mails but I need something like Messenger. ...more >>

Hai all, I am a computre science student.I am actually required to build a system with the following description: an intructor wants to use an excel sheet to put his/her students marks information in. This must be done via a simple interface of a simple system. Also he would like to be...more >>

Hi, I have this asp.net application in which the user can choose between three possible languages. NL - FR - EN How can I set the System.Globalization.CultureInfo to three different values, just by clicking a button? in a pageLoad i have something like this: switch(vLang){ case "...more >>

Sorry if this is too simple to post… We’re about to develop a web site where a couple of users want to administer users access. Users access via a username and password. Assuming that these users don’t want (and wont be allowed) to manually go into any XML files to add users etc, what...more >>

This is a problem with a ASP.NET application I am writing. The interface allows a user to manipulate an XML document. I have in my xmldocument .. . . <item id="1"> <parents /> <label>item1</label> </item> <item id="3"> <parents> <parent>1</parent> </parents> <label>it...more >>

Hello, I am starting a an ASP.NET proyect. I need to receive and parse data from a form outside of my proyect. What would be the best way to debug this? Thanks, Hanika ...more >>

Hi, I have a page that has a datagrid bound to a dataset. Items are added to the dataset at particular times (ie the click event of an item in a tree control) then bound to the grid. The grid has an image button in a Template column that is used to remove an item (dataset row). I can't r...more >>

Hi, I'm handling a postback from an ASP.NET Checkbox and I ideally want the page when reloaded to position itself back to where the user was. This is similar to using the '#' in the url I think, i.e. http://localhost/mysite/mypage.aspx#marker Is there was way of doing this in a postback ...more >>

Can someone tell me how I convert this simple SQL statement so I can use it in ASP.NET??? I have an issue with the quotation marks and wondered if there is a simple rule for converting the sql statement so if can be used in ASP.NEt! Thanks ... SQL String SELECT (CASE WHEN ImgLeft IS ...more >>

Hi! I have created an own class to access to databases, called database. I would like to create an object of this class in an aspx page, but when i try to do it i get an error that it cannot find the simbol. I'm using vs 2003, How can i resolve this problem?? Thank you very much. <%...more >>

We are converting our asp app to dotNet. Our app is divide into multiple applications (each their own com+ dlls and asp pages). So, in dotNet we ave different assemblies for the busines,data access layer,.. but Now I wondering how to split the web app (visual studio) into diff. assemblies as we...more >>

Hi, I have a datagrid which could contain a large volume of data I want to be able to highlight a row and click a calculate button. Obviously the calculate button will cause a form postback and reload all the data. Saving the viewstate could also cause performance problems as it could be l...more >>

Hi can someone please tell me why I can't put the following LDAP path into my web.config fill as an <appSetting> and how do I get it to work! <appSettings> <add key="strLDAP" value="'LDAP://doamin.domain.com', 'Administrator', 'Password'" /> </appSettings> The connection string doesn't w...more >>

Can someone please tell me if it is possible to get the SQL statement from a stored procedure in ASP.NET? Dim Myconn As New SqlConnection(ConfigurationSettings.AppSettings("strConn")) Dim cmd As New SqlCommand("MenuItems", Myconn) cmd.CommandType = CommandType.StoredProcedure I would like ...more >>

Hi all, I have the following problem with ASP.NET running on Windows 2003. My configuration is: 1) Windows 2003 Server Standard 2) ASP.NET running in IIS5 Isolation mode (aspnet_wp.exe is alive and kicking) 3) .NET Framework v1.1.4322 (updated by Windows update) 4) My application running on...more >>

I've searched, reviewed, and attempted dozens of code ideas on the subject. I can't seem to get something that seems so simple to work. To highlight a row in a datagrid based on another value in that row. I have a datagrid using Template and Item Columns, i.e.: <asp:TemplateColumn HeaderTe...more >>