hi, i'm a classic asp developer who is used to hand coding everything. is there a performance hit to the code that visual studio produces compared, especially when connecting to databases ? i notice that vs inserts large swathes of code into the code behind file when i drag a table from...more >>

Hi, I have sql server 2000 installed with 1 GB . Application is installed on intel pentium 4 processor with 40 GB HDD and 512 RAM. I want to support up to 2000 concurrent user. which application support up to 2000 concurrent users. Reagrds, Shilpa ...more >>

I am tired of sending mail from the built-in SMTP service for so many reasons (errors are nondescriptive in the event log, it doesn't let me control which IP address it sends from, and it identifies itself as the computer name which is not in domain.com format, triggering spam filter problems). ...more >>

Hi, I want to find the web user control in the datalist. I iterate the datalist using foreach statement in the DataListItem and in thi DataListItem I iterate all Controls objects but I can't find web user control, but I found that it is in the namedcontrols. How can I find the web user control u...more >>

Hello I starting use ASP.NET and has created a new file to open a Access database I get these error and cant solve it - please need some help. I Use Windows 2000 (have also tried to put it in to the server Widows 2003) Here is my Error - waht is wrong: Thankfull for help --------...more >>

I am trying to copy the text from a textbox to the clipboard. I saw some code posted earlier for Pasting from the clipboard so I modified it for copy but it is not working (see code below). When I click on the btnCopyToClipboard I can see some processing going on but the text from the textbox is...more >>

For some reason, when I try to upload a file to my web server using the HtmlFile Control, the Request.Files is empty/null. The same code has worked for at least a year and now it has stopped. I am getting an error "Index was out of range" on the Request.Files[0] . Can someone pleas...more >>

Hi, I have some kind of basic-design question. While developing my web application I asked myself if it makes sense to use some kind of command pattern. How do others implement the functional code of a web application? Put put all logic directly into the event handlers? Use a command pat...more >>

hello, If I capture the OnItemDataBound event for a repeater, datalist, etc, I can get hold of a control in the ItemTemplate like this ... Literal litFred = (Literal)e.Item.FindControl("litFred"); How do I do this when the ItemTemplate contains a user control? Say I have created a contr...more >>

I am using (trying to) CR version XI, cascading parameters feature works it asks user to enter params. But if page is resubmitted. It prompts for params again. I did set ReuseParameterValuesOnRefresh="True" in a viewer, but it still doesn't work. Did anyone run into this problem. What's the solut...more >>

I have a problem where I have some text boxes in my datagrid. The problem is the message gets displayed and moves the cells to the right. Is there a way to tell the messages to go to a specific asp:label? If I could put the label at the bottom of the page (or top) and tell the Validator t...more >>

Hello, I have a custom control that displays the date and time. I currently have properties for the day, month, year, hour and minute, which have to be set separately. This is inefficient. I would like to have one property that I can use to pass in a DateTime, and have the control pull o...more >>

Hi, I read the thread (2/16/05) regarding a replace function in C# however it didn't answer my question. I have a string which is building an insert sql statement and I would like to replace apostrophes of the form fields. I was trying to do something like this: string sqlInsertEmails = "in...more >>

I would like to capture when a user has already selected an option from a multi select list / or Textbox So for example if a user selects a value 3 using a dropdown list or by inputing a value it shouldn't be allowed to select 3 again only values 2 and 1. using a rated 1 to 3 in order of prefer...more >>

Hello, I would like to know if it is possible to use a panel, but prevent it from adding a <div> tag to the HTML. The reason I want to do this is that I am using a panel to enable me to show/hide part of a page as required. I would like the part in the panel to appear on the same line as ...more >>

I want to know which account will be used when File.Exists are called in ASP.NET ? Thx ...more >>

Hi 2 all, I have a question and hope that some of you might been able to give me a hint or something. I am bulding a web application where i need to provide the functionality to start a word document and to fill on some places some data, like name adress etc... So people can select from a...more >>

I have placed several things into application cache in my ASP.NET 1.1 app, but I don't know their names. How can I enumerate everything in there so I can extract what I need? Thanks. ...more >>

About 2 years ago, and as recently as perhaps 1 year ago, I can recall seeing many posts about what language to use with ASP.Net. The consensus was that employers paid more for C# programmers, and it seems that C# became the darling of the ASP.Net crowd. In the meantime, I have observed an ...more >>

This is really starting to do my head in, and I could really do with some advice/help. I'm using visual sourcesafe and attempting to open an existing project within Visual Studio. After identifying the project and telling VS to open it I get an error saying "unable to get project from th...more >>

I am trying to perform site login using values from a cookie, but for some weird reason the cookie is being destroyed after the browser window is closed. I checked the browser settings for the cookies, and there is nothing there that terminates cookies uopn browser close. The following is a sa...more >>

Hi folks, I'm writing a framework in C# which will be my business facade object consists of all data layer, BL etc., Now the deal is, my client doesn't have any idea of whether making the presentation layer as a web interface or window interface, that's make a challenging effort for me...more >>

Nubie Question...I'm sure this is simple, but here goes anyway. I have a small VB.Net application that uses a local Access Database. I want that same local data replicated to an Internet web site so that I can use an ASP.NET page to work with the data. My DB and Application is not really bi...more >>

i have the routine setup as below. the ctlCollection is populated with = Page.Controls. but it only ever brings back 3 controls even though there = is more than this on the page the control types it returns are 1 x "System.Web.UI.ResourceBasedLiteralControl" 1 x "System.Web.UI.HtmlControl...more >>

Hi: If I have a query string for retrieving data from SQL Server database, is there a way to transfer it to a query string for retrieving data from Oracle or any other database like mySQL...? I mean by a program. I am working on C#. Thanks Q. ...more >>

I have a web page that has a bunch of usercontrols, each declaring a Button called "GoButton". Now, my parent page has to be able to determine which button triggered the event. The catch is: I'd like to use the same algorithm for every control, and right now, my algorithm is "sender = this...more >>

Hi All, Can anybody throw some light on this? I have a crystal report that shows data from a table. This works fine.. However, my requirement is to run an ASP.NET page within crystal so that the user can preview and print the output of this page along with regular table data. Is this pos...more >>

When using this bit of code, it sends two emails most of the time. Sometimes it doesn't send two, but most of the time it does. I put the system time (Now) in the Subject and each email has a different time by a minute or so. I also tried to count the number of emails it is sending by using ...more >>

I have a simple pair of ASP.NET pages, main.aspx and login.aspx. Main checks if there is an identity in the Session context, and if not does a Server.Transfer to login.aspx. So far, so good. Login does exactly that, and on success does a Server.Transfer back to main.aspx. This has been working f...more >>

Hi I send a PDF to the client. It's a file with dynamic content but the same filename and in an old Explorer 5 client it always pull the saem file even though it should be a new file sent to tjhe client. The PDF is sent by altering the ContentHeader to PDF mime type in an aspx page Ho...more >>

how do i go about this thru serverside code (VB.NET)? any links to any articles anywhere? basically i just want something simple that will loop thru all txt & cbo server side controls, and then set there back color dependant on whether they are enabled or not Cheers, Craig ...more >>

Hello, i have an aspx page that displays data in tabular format. I'd like to change this page so that it outputs that same data into excel format. what needs to change in an aspx page to do that? thx in advance! ...more >>

I have a few variables that need to be accessible throughout my ASP.NET Web app, across all possible Sessions. AFAIK, there are two reasonable places to store them: 1. Application state (read the values from Web.config on ApplicationStart() and then refer to them there). 2. properties of ...more >>

I never used div tag, but i want to display and hide a set of control in a aspx page in the client end..? is there any other mechanism to clear this concept.. Mahesh ...more >>

Filling One DataGrid Based on Selection from Another DataGrid - Both in Separate User Controls Hello, I have an interesting dilemma. I have an ASPX page with two user controls (two ASCXs). Both ASCXs have DataGrids on them. The first user control's DataGrid is populated from our databas...more >>

I am use to programming in php and the way session and post vars are past from fields on one page through to the post page automatically where I can get to their values easily to write to a database or continue to process on to the next page. I am now trying to learn ASP to see if we can repla...more >>

Alright, I am posting my solution to a problem I've been having. I have finally found the answer, and it took me a while so I thought I'd provide the final solution here, since it may be benificial to others and because I had to search for the solution (not the problem) in order to find a workin...more >>

The following line is creating the above error message. tree_nodes((level)-1).Nodes.Add(tree_nodes(level)) It's because of the following line where I'm trying to calculate the length of blank spaces and substracting from total length. level = text_line.Length - text_line.TrimStart.Length ...more >>

Hi, I am looking for an asp or asp.net script that will allow people to subscribe/unsubscribe to mailing/newsletter list. I have seen that there are free PHP scripts but didn’t find any free in asp or asp.net. I would appreciate if you can suggest any scripts that you know that are free ...more >>

Hello, System.Timers.Timer/System.Threading.Timer do not fire on my development server, yet they work perfectly on the production server. I would appreciate any help on what the cause of this could be. I am convinced it is not the code since the code works on another machine. Thanks, ...more >>

Hi, We want to migrate out asp application to asp.net and take advantage on localization. I want to ask how it is advice to structure the site directory I am going to use resource only assemblies The site is an intranet site so I don't see problems to cache some resource manager obje...more >>

I like Crystal, but only to a certain point. Is there a way/component to format a dataset/grid with page headers footers ?? Basically, we have some reports that we need to send out to our clients, which need to be professionally formatted, etc... Any thoughts?...more >>

How Can I use command ARP to setup a ip address? Thanks...more >>

Hello, I am placing an image on a page using the following code: Response.Write("<img src=""images/MyImage.jpg">") This works ok, but it places the image at the top of the page. How do I make the image show at the bottom of the page or at a particular spot. Thanks, Chuck ...more >>

I am displaying a datagrid with a select button in each row. How can I display it with the first row already selected, in other words I want to trigger the selection from my server code. Thanks, T ...more >>

Hi , I m new to ASP.NET ... I have a submit button on my form which adds an user to the DB. I am facing issue where as after clicking the submit button I refresh the form then duplicate entries occur in DB i.e the submit button fires again. what would be the best practice to a avoid this!!!...more >>

I need help PLEASEEEEEEEEEEEEEEE..... I am trying to create a list of questions that have yes/no answers. There are 8 groups of questions. Based on who the user is that logs in will determine what groups of yes/no questions they will get... The way I was trying to do it, was to store each grou...more >>

I have a fairly extensive and complicated ASP 3.0 app that is in use by = about 10 clients and hundreds of users. Should I devote the time to = migrate? Where can I see the pros and cons of a conversion? I've = meddled a bit with .NET and recognize the obvious benefits, but... TIME = IS MONEY...more >>

Hi I have find the following <browserCap> tag at the follwing link. http://blogs.msdn.com/scottgu/archive/2004/11/09/254583.aspx But Still the form is submitted the to server and then show me the validation summery message which i use in validation controls. ...more >>

I have a .dat file on a remote server that seems to be locked. I have tried to FTP to it and delete it, rename it, copy over it and I get the error. "Could not copy temporary files to the output directory" Anybody have any idea why this file is locked? What do I have to do to release it? ...more >>

Hi all, I really am in desperate need of some code that can zoom in on an image. I don't want to just make the whole image bigger, i want to have a box ( <p> tag ) that is the zooming window... so the image is always the same size, the box is always the same size, and only when the box is mo...more >>

I would like to have images, that are generated from a SQL Server (an address to the images) flow around text that a label gets dynamically from a SQL Server. Any recommendations, please? TIA, Paolo ...more >>

Hi, i have developed a sample webapp in my machine and it is working nice.I copied my project to other machine and pasted it and i created the same virtual directory as u created in the first machine.If i run my project ,it says that 'Unable to run the project .denugger is not attached...more >>

I wish to turn off browser caching through some meta tags. Note the following: <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Expires" CONTENT="-1"> <META HTTP-EQUIV="CACHE-CONTROL" CONTENT="NO-CACHE"> However, running against my local site, the browser still caches the pa...more >>

Hi, We have a problem now that som of our clients are using a slow connection, and because the complexity of the ASPX pages it takes a long time to load the page including many javascript. Is there a general way to disable the page before the page finishes loading? thanks...more >>

Hi Every Body, I have build the website in asp.net using vb.net. I use the asp.net validation controls for client side validation. When I run the site in Internet Explorer, It run properly and every validation is working properly. ...more >>

Hi, I am working on a CMS that uses html templates with placeholder strings for the content (eg: %%Content%%). I want to get the web control working on a blank page. Then intercept the page as it is being rendered to the browser and place the template around the output. How do I intercept a...more >>

My site's login page has a form w/ 2 textboxes and a submit button. If I'm in either of those textboxes (i.e., either one of the textboxes has focus), in any given browser, hitting "enter" on my keyboard submits the form. Server side, I handle the click event of the submit button. This is th...more >>

Hi i've created one table and one stroed procedure to insert data into that table. i've created table like this table Name=QA_QAuthor EmailId Varchar primarykey. Pwd varchar Comments varchar allows null values paypalacc varchar all...more >>

In a centralized error logging routine I need to determine whether there is a "current session" - then if there is I log some information stored in the current session. I have an HTTP Module that logs all otherwise unhandled exceptions. Sometimes it logs exceptions that apparently are not rela...more >>

Hello, I've run into a potentially wrong design decision on a project and want to find out if my intended change is the best fix. I have a page that displays historical time-series data using a datagrid. The browser can modify the timeframe displayed by selecting a value from a dropdown li...more >>

using this line in aspx file doesn't throw error just outputs nothing.. <asp:boundcolumn DataField="provincename" HeaderText='<%= rm.GetString("tblHeader1")%>'></asp:boundcolumn> in the code behind.. rm = New ResourceManager("minimum_wageapp.report1", System.Reflection.Assembly.GetExecuti...more >>

In Application_Start(), I need to retrieve the current server's computer name. How do I do that? Thanks! ...more >>

My problem is pretty straight forward and I conceptually understand what I'm doing wrong. I'm trying to populate a DDL that doesn't exist. I;m just not sure how to resolve it. I have a DataList that allows for record editing and deleting using the OnEditCommand and OnDeleteCommand methods....more >>

Using some example code I've found, I'm trying to do the custom error page thing. I have the following in global.asax.. Sub Application_Error(ByVal sender As Object, ByVal e As EventArgs) Dim oErr As System.Exception = Server.GetLastError() Session("LastError") = oErr End Sub This t...more >>

Hi there, I was wondering how i could have a slider bar or something on my ASP.Net page to control the image quality.. like change it's sharpness, brightness, and contrast?? is that possible?? thanks -- AdamPC@hotmail.com...more >>

Hi there, I was wondering how i could draw a line on an image to find the distance (in mm or cm) from the one point to the other point. -- AdamPC@hotmail.com...more >>

I set the session timeout to 45 in my web.config. But it is still timing out at 20 minutes. What I'm I doing wrong? Thanks ...more >>

I'm trying to understand ASP.NET caching. I set the Page Output directive to VaryByParams= None and the duration = 60. Now whenever users hit my web app they can see each others data. Is there anyway to cache the page without this happening or am I using Page Output caching in the wrong situ...more >>

Just wonder where could I find datagrid which it load from multiple table beside the following website: - msdn.microsoft.com - www.asp.net Thanks. ...more >>

Is there a way to warn the user that there Session is about to end? I'm using Forms authentication and when there session ends it takes them back to the login screen like it is designed to do. Also it there anyway to make it take the user to a different page once the session ends? Thank...more >>

Hi, I've got a class which contains a number of properties which in turn are read from a database. For example: class TData public property firstName <get and set here> public property surname <get and set here> etc. etc. end class I use an i...more >>

I am looking for IBuySpy sample web site code for VB. I searched on microsoft's web sote and that directs me to asp.net web site. And I don;t see any thing to download. Any one knows from where can I get the source code. Thx...more >>

Hello, Everyone. I have a strange one here. I'm a DBA with relatively low program experience. Recently I was given an assignment to locate why our SQL Server has "orphaned" connections. The setup we have is an IIS 6 machine that uses a third party app designed with ASP .NET. The SQLConn...more >>

Hi, I am just studying for MCAD and I came across this piece of code: ------------------------------------------------- LiteralControl lcExpenseCaption = new LiteralControl(); lcExpenseCaption.Text = String.Format("Travel Expense for Day - {0} ", i); TextBox txtExpense = new TextBox(); txtE...more >>

Hi, I would like to create a rich (graphic) ASP.NET User Control with GDI+ and I'm able to do it. I have two question about this: 1-I would like to include a background image (for example a jpg file) without shipping a distinct file with my control, it's possible? 2-I save the generated ...more >>

Hi, I am havinf difficulty achieving what I'm trying to achieve. My basic idea is to load an image on to an asp.net page, on a fixed size of the page so that, if it is quite big, I can scroll through it. I want the rest of the page for some more contols. All I am able to do presently is...more >>

I have this little test class: public class Item { private int iID = 0; public int tID { get { return iID; } set { iID = value; } } } when i declare it like this, everything works: Item mTest = new Item(); mTest.tID = 0; when i declare it like this: Item[]...more >>

I get the below error when I call a server side function using server side include eg: <% GetValue()%> "The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>)"...more >>

I suddenly started getting the following kind of error and aren't sure what to do to fix it: << << Compiler Error Message: CS1595: 'MyWebApp.Secure.Admin.AddEditUsers' is defined in multiple places; using definition from 'e:\WINNT\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET F...more >>

Hi there people, I'm creating my own set of self validating text boxes. They all inherit from a base text box which simply contains a required field validator, they then usuallly implement another validator to check they contain number, currencies, dates or whatever. The problem i'm having...more >>

Hi there, I have read posts that say you can change certain style attributes of this html control but we actually have defined buttons for our site, and the browse button in this control just doesnt conform to this. I would really like to create a bespoke button to use with the control. Can I ...more >>

I have installed visual studio .net and now i started to write the first few examples from the 70-315 book by Kalani. It looks like all server side code that i put between <% %> doesnt process from an aspx file. Even a page with <%@ Page Language = "c#" Trace="True" %> doesnt show the ...more >>

Use client side botton to close the window. ex: <input type=button name="btn" value="Close Me" onClick="JavaScript:window.close();">...more >>

I have a javascript function that using to set focus to a text box after clicking a button (butSearch) which is called in Page_Load ********************************************** dim jsscript as string jsscript = jsscript + " document.getElementById('txt_S_ItemCode').focus(); " jsscript = jss...more >>

Hello All! My problem is trying to calculate SubTotal in my FOR EACH NEXT Loop. I am looping through depending on how many of each different item is in the user's shopping cart. I am using each Item ID in the cart to display the appropriate image, artist name, and price information for each item...more >>