I'd like to optimize my aspx pages for Search Engines like google. One thing I have to do is to minimize or delete the viewstate hidden input field. I'm using user controls, so in both pages and user controls I considered the tag: EnableViewState="False". The problem is that viewstate is still...more >>

Hi all, I have a simple aspx page. On the page there is only one button. When I click on the button, the event sequence is Page_Load, Button1_click and Page_PreRender. How do I supress the PreRender event? I know if I call Server.Transfer or Reponse.Redirect in the Button1 click event, the page ...more >>

We need help with ASP.net work in a Solomom env. Or know anyone ? .. we can reward in cash. -- John D Allen. CEO & President. Leveridge Systems INC. ...more >>

Hi, I have a Web page that displays an image. The image has three buttons at the bottom. I have to delete the image on clicking of one of the button. But when I try to delete the image in my code, I am getting the following exception Sytem.IO: The process cannot access the file beca...more >>

I'm finding references to the use of page_prerender. How does this differ from page_load? I've had some issues in the past with setting cookies and then adjusting the page based on the saved cookie. This is the route I've had to take: page_load - read cookie click button post back ...more >>

Does anyone have any recommendation for a textarea replacement for WYSIWYG editing for a simple CMS? I've been playing with FCKEdit, but it still seems fairly beta, and there isn't really any documentation. A free/OS solution would be ideal. -Darrel ...more >>

Hi, I have a TextBox, Button and CustomValidator web controls on an aspx page. When a user clicks the Button, I want to perform server side validation of the textbox with the method specified in the CustomValidator control. When the validation fails, I'm setting the args.IsValid=false; so it ...more >>

It is recommended that the following settings be set for all connections so that the optimizer will perform well on indexed views and stuff. SET QUOTED_IDENTIFIER ON SET ARITHABORT ON SET CONCAT_NULL_YIELDS_NULL ON SET ANSI_NULLS ON SET ANSI_PADDING ON SET ANSI_WARNINGS ON SET NUME...more >>

Hi, I am running into situation where Session_End is called right after the very first page is loaded. Timeout is set to 20. So by the time the very first page is displayed Session is done. I am totally lost. Please advise. Kostia...more >>

I have a page with two textboxes. What would be a simple method of requiring entry for none or both? In other words, it is ok to leave both empty, but an entry is made in one, then the other must have an entry also. -- Alphonse Giambrone Email: a-giam at customdatasolutions dot us ...more >>

Hey all, I have a label that gets its text from a DB. This text can be changed on the page in a textbox and after the save button is clicked the new text is updated in the DB and the page refreshes. The problem: Even though in the page_load method the label's text is being set to what is in...more >>

I have a web form that allow the user to add dates to a listbox control and they are also added to an arraylist at the same time but I do not know how to select all the rows into one string then save to the database. Any suggestions?...more >>

Hi everyone, I'm having a problem with getting a control that I'm using to work. I have a placeholder control sitting within a user control. On certain occasions at runtime I create a Textbox control and add it to the placeholder. This works well almost all the time. Unfortunately ther...more >>

Hi, Currently I am working on the drag and drop features onto my webpage........ just like www.msn.com.. where u can drag the table cell to drop it into other table cell... Is there anyone know who to do it in DHTML... or ASP ...more >>

I need to create a an internal system that allows developers to post papers (articles, whitepapers, how to, etc.) and knowledge base articles to an intranet site. Basically it is a Developer Resource Center. I am unsure of how to architect the application. The critical points (as I see it) ...more >>

Hi I have 2 data grids and several controls on a web page. The grids will vary in size, just wondering if the lower grid could be covered by part of the upper grid depending on its size or is there a way to dynamically shift the lower grid so it appears just below the upper grid? Thanks. -- ...more >>

I would like to do a Server.Transfer from a page where I have a peice of information saved in ViewState. I have a second peice of information that is in the Forms collection from a form submit. I perform the Server.Transfer with the option to keep the forms collection available on the next...more >>

I am using sample code from C# and am trying to convert it to VB.Net in my aspx page. This works in C#: DataGrid oGrid = (DataGrid)oItem.FindControl("DataGrid1"); I have tried all kinds of combinations trying to get it to work: *********************************************************...more >>

Hi, I have an Intranet webapp that I want to deploy to my customers. Myself I'm using Windows 2000 Professional to develop my webapps. But since IIS has to be on any computer that acts as a webserver, how do you install IIS on other windows operating systems. Like Win98, WinXP that my cust...more >>

Hi, Is there any way of playing songs and downloading songs from a server onto a client machine. I want to develop an application such as a music portal which allows clients to play songs that reside on a Web Server. So does the web server need to send the song as an attachment to the ASP.NET...more >>

I can easily store a one-dimensional array in viewstate ( see Test1 ) If I try storing a multi-dimensional array in the viewstate it's crapping out on me when it goes to [de]serialize the array (not when I make the assignment). Interestingly, I get a very different error depending on the t...more >>

Hi All, I have a Session_End function in global.aspx, initially, i want to redirect to the login page if the session has been timeout. I have used the debugger->break on the session_end function, and i know that this function will be execute once the session has been timeout. however, th...more >>

I am load balancing between 2 servers. Both servers report as running 1.1 of the framework but I am getting 2 different responses from each server: Note the difference in the javascript postback function. What type of setting would affect this? I have deployed the exact same codebase. R...more >>

Hi, In my dropdown I bind to a datasource. After that I try to do one of the following: 1. Add an Item to the dropdown using dd.Items.Add(newe ListItem("textstr")); 2. Change the text of an existing item in the dropdown. For this one I use the following:pubDD.Items[pubDD.Items.IndexOf(p...more >>

Can anyone help me determine why I am getting the error "Object must implement IConvertible" when I execute the stored procedure? The exception is InvalidCastException. Below is the code. I have checked the stored procedure, database table column datatype and the sqldbtype and they are identica...more >>

hello, i have several radiolists and checkboxlist that are generated dinamicly based on datasource. So frankly speaking i don't know names and number of that web controls cose they are always different. How can i retreive selected values from those controls ? ...more >>

This is a multi-part message in MIME format. ------=_NextPart_000_00A6_01C4B6A7.528E55F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Good Afternoon, New to .Net. I am trying to pass date/time values to a MS Access query = depending on wha...more >>

Hi, I am stuck on how I can resize and image client side before it is uploaded to the server. Basically remote users take images using a digital camera and we need them to upload them to the server. Most people have there cameras set to high resolution so uploading in the image and resiz...more >>

What happens to a cancelled http request from the server perspective? Here's the scenario. I request a page from the web server and page requires lot of processing. Before the response comes to the browser I either hit the Stop button on the browser or moved on to another page. Now at...more >>

I have a messaging application that has a data grid with information like an email list would have (from, subject, time sent, size) but the subject could be very long in theory, and then it would word wrap.. the subject is a variable width column (resizes to fit space) while the others are fi...more >>

Hi, I'm trying to set up an asp.net page using flow layout so I'm putting all my controls into a table grid, etc. I use several radiobuttonlists and datagrids that are generated from datasource. The radiobuttonlists are fine, they size depending on how many item are called into it. However, t...more >>

I've got one user with a problem. All other users are fine. I open a new browser and point it to a CSV file with a XLS extention. Normal users get a prompt about Open or Save, the problem guy just gets a blank window open and no message. Any ideas? Security setting have been checked, pop...more >>

I am using Forms Authentication to force a login to a support folder, where there are large .exe and .zip files for download. In my web.config file, i am blocking these file extensions with a httpHandler <httpHandlers> <add verb="*" path="*.exe" type="MyHandler.NewHandler,httpHandler"/> <add...more >>

Can someone tell me how the value of IsPostBack is determined? Does it float around with viewstate? The code to retrieve the value looks like the following (Reflector - shame on me J ): public bool get_IsPostBack(){ if (this._requestValueCollection == null) { return false...more >>

I developed a client side control using Windows Forms and I want to deploy it through IE inside an ASP.NET project. I am using the object tag to deploy: <OBJECT id="SSFileCtrl1" classid="SSCtrl.dll#SSCtrl.SSFileCtrl" VIEWASTEXT> </OBJECT> The previous code only works if SSCtrl.dll is in...more >>

I'm creating a web app were i want to send users a link so they can go to a web page and view information on feeback for thier group. now in the url i want to add the date the feedback was submitted and the group name. that will take the user to the web page and populate the page based on t...more >>

Dear All, I need to be able to detect, server side, if the client machine using my ASP.NET web app supports Javascript. I know there are browser object properties that tell me if the client browser *in principle* supports javascript, but as far as I can tell they don't tell you if the user has...more >>

Hello All: One of my controls in my ASP.NET application requires that IIS Anonymous Access to be turned off. It also needs to have the following tag in web.config: <identity impersonate="true"/> My question is does the above configuration pose a security risk that I should be aware of, and i...more >>

Using CSS in my ASP.NET app. What is the difference between an element and a class? When should they be used? Element example: Q1A1{.....} Class example: .Q1A1{.....} Also, I've seen that sometimes it is preceded by a # (#Q1A1{...}). What does this indicate? Thanks! ...more >>

I need a good primer in how to program an ActiveX control that is launched client side to communicate with the server. I've read thru three C# books and none of them even touch on the subject. I've searched web sites and found nothing. Is client side ActiveX programs on the way out? Is there ...more >>

I have a created a simple aspx page to try and debug a situation in which our viewstate gets "lost" between requests. Our setup is 2 servers behind a BigIP. Everytime the request move from one server to the other the viewstate is lost, but when the request stays on the same server everything w...more >>

Hi, In asp.net my Page Load isn't firing so I am guessing it has to do with not being wired to interface page? I am using codebehind for the page. What am I missing? Thanks, JJ ...more >>

Hi, In asp.net my Page Load isn't firing so I am guessing it has to do with not being wired to interface page? I am using codebehind for the page. What am I missing? Thanks, JJ ...more >>

I am displaying records in my Datagrid and I am able to edit the records. Is there a way to add a blank row at the bottom of the DataGrid to allow the addition of new data? I want to display the grid and allow the client to press a button that would in essence add a new row at the bottom o...more >>

i have created a singleton class in a class file in my asp.net web application. this class is a singleton class. the code is: public class singletonclass { private static singletonclass sc = null; private singletonclass(string path) { using (FileStream fs = File.Open...more >>

Hi, Does anyone have a clue how to create a page during runtime? I am developing a web control library. The control I am developing within it presently will need to present the user with a modal dialog page. However, the page will not exist until the users interaction calls for it. So ...more >>

I want to set the cell width and height such that the cell doesn't get bigger. If the text is too long for the cell, it should be clipped. It only has to work for IE. I have tried setting the overflow style to hidden, but that doesn't work unless I set the table-layout style of the table to fixe...more >>

Hi, Is it possible to control the columns property of a datagrid when those colomns are automatically created at runtime? The final goal is having a column that controls the style of the rows that will be hiden after he loop that sets the style of every row is done. Thanks in advance. Dieg...more >>

Hi, I've written an Intranet app in asp.net (vb) using sql server 2k for big customers. Now I need something for small customers with no need for databases, so I'm thinking of xml. I have one database table I'd like to have converted to a xml file. To make things easy I'd like your opini...more >>

Hello, I have question regarding disposing objects in aspx/cs pages. If I create some objects/Arrays/ListArrays in pageLoad do I have to dispose them (by assigning the null value for objects that doesn't have dispose method). If so then where should I do this? I need to use those objects in s...more >>

hi all, I want to use serviced component in ASP.NET any walkthrough or link to a resource. I have tried a lot but serviced component could be initialized in ASP.NET page. However I can successfully access the component in windows application. Is there some extra efforts required to use servi...more >>

My drop down list is populated from a static array in my codebehind (c#) code. I set the selected index based on some known values(from DB), when the screen shows up, dropdown list shows that the the first items is selected and not the one assigned. Please note that if I hardcode the dro...more >>

Hi I would like to know how to use impersonation, in order to write to a file on a network share. The user will be logging on to this web app, and will then click a button which will write to a file on the network share. Currently though, I am getting permissions errors. I don't want to set ...more >>

Hi all, I created a form to enter user detail informatino. once information is entered, i pop up message asking them if they want to enter more users. Once redirected to same page, the fields retain inforamtion for the previous users. Is there any way i can have them cleared on Page Load. ...more >>

I saw an example of this which talked about assigning valueTextField and DataTextField. So I have twenty items coming back from the database(I use a dataadapter), do I need to go thru a loop to assign each item in the Dropdown? Is there a way to just assign the datasource to a dataset (that's ...more >>

Hi all, I have set up forms authentication using web.config file. Its storing the userid in sqlAuthCookie. Is there a direct command to retrieve this userid instead of reading in cookie and retrieving it so i can present certain information when user logs in. Thanks Manny...more >>

I'm converting a section of our website into the .NET framework (the rest will follow sooner or later). I'd certainly like to maintain all the dynamic capabilities as well as implement some new features - some are database driven, others use the lookup object and application object string/arrays....more >>

Hi all, I was trying to read/write to a file under the ASP.NET web application's root directory. After some configurations, e.g. Enabling 'Impersonate', Assigning correct pemissions to ASPNET accounts for this file, the program ran very well. However when I put it on another server, it appears...more >>

How do you add an existing folder to a project in VS.NET? It will only let me create new folders, or add existing files. Thanks. ...more >>

There is NO EASY method for detecting wheter a user has cookies enabled or not. NONE. There are solutions, but I call them workarounds, which is something I, as a webdeveloper, dont like....more >>

is there a quick way to determine if a given username is in a particular groups (w2k3 active directory). basically I want to say something like this: while dr.read 'dr is a datareader with a bunch of user records if IsInGroup(dr("username"), "TeachersGroup") then blah bl...more >>

Hi, I need to create datagrid hyperlink columns with multiple parameters in the URL. In my research on how to do this, it is recommended to create a template column which I have done. The code I am using is creating the following error BC30203: Identifier expected. Source Error: Li...more >>

Hello, I tried posting this yesterday, and I have not seen it yet this morning. Thinking that something went wrong getting this question posted I am posting it again. Sorry if this does end up showing up after all. I would like to add or change to the list of user roles while the user is...more >>

Hi to all, I have spent 3 days at this error and i have two days to go for a deadline, and i am about to go off my nut, the reason being: Microsoft dont seem to be able to provide a solution, I have trawled the web and the few that have the same error have not being provided a fix. This error...more >>

Hi, I have a strange problem with a usercontrol on a page. The usercontrol dispalyes three categories (From a database) when the user clicks a category they see all the products in a shop for that category, the results are paged 10 to a page and the user can page them. As this "Categor...more >>

I have a couple of questions about break points. I have this one ASPX page which had a breakpoint set on a particular line and I am unable to get rid of it. If I look at the line in which the break is occuring, there is no visible sign that a breakpoint is set. But as soon as I run the prog...more >>

I have two classes which i have created in one web application in vs.net. I have another web application that is currently running on a web server, i do not have the solution/project file for this application. How can i move my two classes onto the web server so that i can create intances o...more >>

Hi I have a problem with an webservice on my machine. The problem is that i have the same code on production server and it works fine but on my machine does not work anymore. I have an xp + sp2 using IIS 5 . Server is using win2k+sp4 with iis5. Can someone tell me what is wrong with may m...more >>

I need to send 1000 emails from an asp.net website. Normally I would use System.Web.Mail.MailMessage() to send thru an SMTP server. But the large amount of emails results in a timeout. My server administrator told me to write the emails to the “pickup directory” instead. I know that JMa...more >>

Hello! I am having a problem with the @OutputCache page directive and Web browser Back Buttons. Problem: After setting <%@ OutputCache Location="None" %> on my pages I get the "Warning! Page has expired" error message, when pushing the Back Button in my Web browser. After reading seve...more >>

Hello, Is there a way I can validate the input on a textbox for currency including all currency symbols.. At the moment I have it only for the current culture info, but most banks use several different currencies... Thanks for any clues.... Here's what I have so far... try { Res...more >>

Hi! I have a webpage with a htmltable and a button in it. When I push the button, I want to insert a new row with a cell in the table. With my code I can add a row the first time a push the button, but the second time nothing happens when I push the buttom. Why is it like this? and how to make ...more >>

Hi, By default the local IUSR account doesn't have access to "Temporary ASP.NET Files". The problem is that as soon as you are localizing your ASP.NET app using satellite assemblies these aren't accessable anymore. The assembly bin/[lang]/assembly.dll is copied to the temp directory but the...more >>

HI There, I have a webform and I am wanting to call a function from a textbox control located on the webform when a key is pressed. Can this be done in server side. already know do like this on ASPX page within javascript tags <script laguage=javascript> function trapKeypress() { alert...more >>

I've written several UserControls that contain different versions of a form that users need to fill out. Depending on which role a user is logged in as, I load the appropriate UserControl and add it to a panel on my WebForm. So far, so good. However, when the form is posted back to the server,...more >>