Hi guys, As most of you must be knowing that people normally used MidB, InstrB, lenB functions till VB6 for binary string manipulations.Since now these functions are not available in VB.NET, I want to achieve the same in VB.NET.Could any one can tell me How I can achieve the same function...more >>

I am getting a Cannot start debugging. Unable to find Microsoft Internet Explorer when I try to start any ASP.Net application. I uninstalled VS.Net, IIS, rebooted, reloaded and still have the error. Please help!! Bob Hanson *** Sent via Developersdex http://www.developersdex.com *** ...more >>

Hi, I need to kick off a long running process in response to a user action on my website. I'm not fussed whether it completes correctly or not (it's just sends a load of emails) but I want control of the webpage to return immediately to the user. So all I do in my Server side event handl...more >>

I have a web services calling some dll, activex.exe. I want to deploy it to another machine. How can I do so including packaging the asmx files, all related dll and activex.exe [which may call other dll as well, but not referenced at the project]. Do you need to manually register those dlls...more >>

I have an ASP.NET/VB app that updates values in a DataTable over the course of about 3 different pages. On the way out of the first of these pages, I explicitly build the DataTable from values in a DataGrid, and set the PrimaryKey of the DataTable to be the first cell in the grid (which is a Us...more >>

Hi From what I understand, you can pass arrays from classic ASP to .NET using interop, but you have to change the type of the.NET parameter to object. This seems to be because classic ASP passes a variant containing an array, and interop expects a parameter of type object if you are passing a ...more >>

Hi All, I am developing a site that makes use of a standard shopping cart. Anyone can add items to the cart, but only registered users can actually check out. When a user tries to check out, if they are not logged in they will be prompted to either login or register before they can proceed to...more >>

Hi Just to clarify my earlier post. The problem I'm encountering involves running an application (ASP.net C#) which automates word. (Office 2000). Basically works fine on dev server with VS studio.net but when I deploy to another machine it returns System.Runtime.InteropServices.COMExcept...more >>

Hi folks, I've got a page that contains the basic formatting that I need for pretty much all of my systems pages. It's compiled into it's DLL, distributed to my application's \bin folder and VS allows me to use the class thus : Public Class Job Inherits DefaultPage.DefaultPage The app...more >>

I want to create a button using code-behind that only executes javascript, and does not post back to the server. How can I do this - my ImageButton insists on posting back to the server. Thank you ...more >>

I have a problem which I would think would be a common one. If the user attempts to enter an ASP app in a screen which is not the logon (could get it from history), I want to be able to do the following: 1. Find out if the user has logged in (completed) 2. Redirect to page indicating the pr...more >>

(I posted this in ADO group, but I think this group will be better) Hi- I need to develop an FAQ section for our website. We would like to break up the FAQ by products, then categories with each category having n question/answer pairs. I would like to pass parameters in the querystring bas...more >>

Every time an error occures no mater what the error is i want to show the company site with a body that says "An error has occured, please try again later" and i want to use my existing code in the applicaiton_error even sub in the global.asax file to email the admins the error... how would i get...more >>

Hello I hope someone can give me some idea of what is causing this error. I can run though my asp app locally no problem but when i put it on the server i get this error, any help at all whould be greatly appreciated. thanks in advance. Server Error in '/ISOComplaints' Application. -...more >>

I have a situation where I have 3 checkboxes - and at least 1 needs to be selected at all times... I have implemented the code that allows this behavior to happen, BUT Viewstate gets all messed up. As long as none of the checkboxes are disabled, viewstate works fine - and client actions are '...more >>

I was using SmartNavigation="True" on a new project. Worked great....until it was out in the field where they use IE's Content Advisor. Using SmartNavigation="True" and Content Advisor enabled, IE would crash everytime. Disabling either one of these and all works fine. Any ideas on how to u...more >>

I have a PC which has IIS and VS2003. It has just quit working and I can't figure out why. It tells me that I have not properly installed aspnet on my IIS server and directs me to an exe called aspnet_regiis /i I have run this utility but to no avail, I still cannot get VS2003 to create asp ...more >>

I'm looking for guidance (tutorials, backgrounders, tips, or otherwise) on measuring the performance of ASP.NET applications. I'm specifically interested in acquiring the capability of generating objective data that quantifies the effects of performance tuning efforts (e.g., performance measures...more >>

Hello World, Okay, I have spent the day browsing the newsgroups and reading up on article after article concerning ViewState corruption and so forth, and I have a couple questions. We intermittantly get the following exception - EXCEPTION MESSAGE: The viewstate is invalid for this p...more >>

I set up an error handler in the global.asax file to catch errors as they occure in the application. When running it once and a while i will get a message that says at the location http://hostname/get_aspx_ver.aspx an exception of type system.web.httpexception was thrown... why does this happen ...more >>

hi all, Iam trying to investigate some serious memory problems and ways to optimize them in our web application. some of the information i collected using the performance monitor, is that number of assemblies loaded per appdomain is large, we have a lot of pages which are using number of u...more >>

Is there a way, with the System.IO class, to do a recursive list of a directory structure? For instance, in DirectoryInfo, you have GetDirectories and GetFiles .... In Directory, you have Directory.GetFileSystemEntries(path), but I would like to know how to put this together, knowing which...more >>

Hi, I'm building a web application but the hosting that I got, does not support dot NET. If I have access to another .NET hosting, I'm wondering if i can solve this problme with .NET Remoting. That is having the website in the non-dot net hosting, but all the application run on another .NET ...more >>

Page A navigates to page B Page B navigates to page C Page C does several postbacks. Now I want to go back to page B. The browser's BACK button on page C just navigates back through the postbacks, so I put a button on this page to navigate to page B. However if the user now hits BACK on pa...more >>

Hi, I am using the Infragistics controls on a new web site. I have set up a main page with three IFrames, one for the main navigator (on the left), one for the toolbars (on the top) and one for the actual content of the page (on the right). When I create a toolbar control and expec...more >>

I am using Windows Server 2003 with VS.NET 2003 installed, which has .NET framework v1.1. IIS 6.0 is running, and I attempted to create a new ASP.NET web application. When I try to create it, it pops up an error message dialog saying "VS.NET has detected that ASP.NET application and services are ...more >>

I would like to know how to design a flat dropdownlist (border 1px solid) to use with asp.net (it seems no possible to modify this control's style unlike the textbox). thank's a lot...more >>

is there a way to exempt a single aspx page in the <authorization> or <authentication> sections of the web.config file? thanks, craig buchanan ...more >>

I want to start msWord on the server with an a givene file (.doc), customize the file (update it) then display it on the client machine -- all this on intranet using asp.net. I know it's doable with some javascript using ActiveX -- is anyone aware for another way to do it...more >>

Hi, I read some articles but I don't understand. I need text crypt and decrypt (with my key) basic sample. (VB.NET asp.net page) Thanks ...more >>

I have a following screen. The login is a "user control" with = validations controls in it. This side I have address book in which = "name" is required field. But when I click on "add new user" the = validations controls of the login also gets fired. I want that if "add = new user" button is cl...more >>

Hi! I have cookie like this (from PHP portion of website): {s:11:"autologinid";s:32:"0cc175b9c0f1b6a831c399e269772661";s:6:"userid";i:2 ;} I know this is PHP serialized array and wonder if there any way to read it natively in .NET or I have to parse a string?? TIA ...more >>

Hi I have the following in my web.config to specify that all my pages require authorization: <authentication mode="Forms"> <forms loginUrl="Login.aspx" timeout="60" path="/"> </forms> </authentication> </authentication> <authorization> <d...more >>

Is it possible to change the location a form posts to (the form has runat=server)? Instead of: action="sample.aspx?sessid=xxx&cmd=yyyy" I want: action="sample.aspx?sessid=xxxx" Can this be changed in code behind? Aaron *** Sent via Developersdex http://www.developersdex.com *** Don'...more >>

I want to Email through Lotus Notes Server. Am i right on this that i wont be needing any lotus notes based assembly/dll to email through it I hope i just have to do is that to have smtpserver name to where lotus notes is installed Regards Moid Iqbal ...more >>

Hello, I have a web form which displays data in a datagrid, infact it is a drill down datagrid (i.e. a grid within a grid), the amount of data displayed is quite large, so the grid flows and it is necessary to scroll down to see the entire grid. On my page I provide a print button which calls ...more >>

Hi. There's a problem in asp.net I didn't find any satisfying anwser to yet. We're using asp.net to generate a weblayout similar to our windows clients. Thus we use a com dll which contains our application logic. So far we have no problem. Our Problem arises because we try to load configuratio...more >>

I am just starting to use ASP.NET(C#) with VS.NET 2002 Pro on Win2000 Server and spend only little time with MySQL while working with PHP. Now I am only using all this for developement/learning and only on the localhost. I would use SQL 2000 server if I have it but don't have the money to get it ...more >>

I have a webform- MainForm.aspx, which has a button amongst others on clicking which a new window with a webform opens(this.RegisterStartupScript("Browse Custom Reports Folder","<script language='javascript'>window.open('ReportsFolderExplorer.aspx', '_blank', 'width=450,height=200,scrollbars=yes...more >>

According to the documentation, delegates can not be overloaded. Does this mean that a delegate must have a distinct name in all namespaces, or does this mean that a delegate must have a distinct name in any one given namespace ? I sincerely hope it is the latter. ...more >>

I have developed a pie chart successfully. But the problem is the background color of the piechart. When I am using Color.Transparent it black the color and if I use Color.empty it is also black the background color. What should I do to make transparent means "No Color" the color at backgrou...more >>

I would to set up a event routine for several command buttons. I need to be able to identify by the caption or something whick button caused the event to trigger. I think it's in the "sender" or "e" objects. Private Sub cbOWN2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Han...more >>

Could someone please give me a link to somewhere which explains how to package web control (ActiveX) .dlls? I created an ActiveX-type .dll user control. Now this user control has within it another user control -- i.e., there are dependent .dlls. If I download the main control, it can't acces...more >>

I could use some help. It seems a lot of people have problems getting Parser Errors in their asp.net apps, but my problem is a bit different: We have a couple developers working on a project "Intranet", on a development IIS Server. When I compile a webform it works fine for several minutes....more >>

I'm wondering if anybody could give me some tips on a good webfarm load-balancing solution for an ASP.NET application. Here's the rundown: we've got 3 identical servers that each have identical content. Currently, we're using dns round-robin to load-balance traffic across the servers. I won't go...more >>

How can I get to a page's ViewState from inside a business object ? I have a reference to the calling page but the ViewState property of the Control class is protected. Is there something similar to HttpContext.Current.Session that allows a business object to access the current Session ? ...more >>

Is there a way to convert a date that is entered like this 120403 to 12/04/03? In a access database you can set it so when you enter the field you get __/__/__ and as you fill in each space only takes 2 digits. I am looking for that type of funtionality in a form I am designing. The users ...more >>

I have an asp.net application written that works on every machine I have tried it on except for one. This one XP machine throws the following error. ASP.NET is not authorized to access the requested resource. Can anyone explain to me why only the one machine might throw that error? Thanks...more >>

Hello, Here is the problem. I have a dropdownlist control on my page and it holds 4 items. EnableViewState=True and AutoPostBack=False. When I click the submit button I want to get the Selected Value and Text from the control. Here Are the Results Values in the control Index - Value ...more >>

Hi, Being fairly new to .NET I am looking for a way to call MS Word from an event on a webform, and after the user is finished save that created document to an SQL Server database. Has anyone done this? Does it seem possible? I followed the instructions from a sample on the Microsoft ...more >>

Hello, I need to set dynamically height and width attributes of an image control on a WebForm. I know how to read the whole image from the hard-drive and use its height and width properties. I guess it is not efficient as the whole image needs to be read. I need to retrieve only two parameters...more >>

It's a urgent problem. Any advice would be appreciated greatly. My project set up Java processing code and MySQL database server in a Linux machine. I want to implement client/server functionality so that user input query and get result in his browser. My question is that is it possibl...more >>

Hi all, I have question, how is the best way in Web Applications to create file dialog similar to window file dialog. I need two panels in tree structure with local directories on Web client and in second panel data from SQL database in the same structure. It will be use to copy file in both ...more >>

Hello, I thought that when I loaded VS.Net, I would get a complete copy of the documentation for the classes and methods, but I find that not to be the case. For instance, I was wanting information on the StackFrame Class, so when I use dynamic help and bring up the class and review it, I g...more >>

I have datagrid with in a usercontrol. I have doubleclick event tied to each row to post back with the id of the control. Though i get a postback on double click of the datagrid But double click event handler is not triggered. here is the code snipped for item bound public void OnItemBo...more >>

I have a v1.1 webapp that works fine on two different servers (my development machine and a Verio-hosted site). However, it blows up on a MaximumASP-hosted site at a particular line: private void Page_Load(object sender, System.EventArgs e) { // snippet theGlobal = (Global) Context.Applicat...more >>

I have a shared class as a part of a ASP.NET project. I'm adding routines that are used on all the WebForm aspx.vb pages. I can't figure out how to read the session variables in this class. sX = CSTR(Session("XMAN")) tells me I cannot refere to an instance name of a class from within a shared m...more >>

If a breakpoint is inserted in a *.aspx.vb file by clicking in the "margin" (using vs.net pro 2002), it is being ignored. Does anyone know how that might happen?...more >>

Hi I'm trying to have a drop down list inside a repeater where the data for the list is extracted from a database along with other items but I can't seem to get it to work for the list. My html is as follows: <asp:panel id="Panel1" style="Z-INDEX: 104; LEFT: 240px; POSITION: absolu...more >>

Hi All, I want to know how i can add attachment file to form for a particular user.Its like user fills his information on form and he can add an attachment file if he wants.And later when you click on the User.His information along with the attachment should be displayed. ...more >>

Hi. You can limit the uploaded file size by changing the httpRuntime's maxRequestLength in web.config, right? So, my question is, how can you tell in CodeBehind that the file 'uploaded' is over that size? I noticed that the page property isPostBack is 'false'. Thank's is advance Gonc...more >>

Hello Guys, I am having difficult time with the placeholders. I have a placeholder which gets loaded with listbox at run time. I want the listbox to be displayed on a cell in the table. Now how can I place the listbox which is generated at run time in the cell. I tried using a Panel in t...more >>

Is there any way to manually add a record to a dataset? In my case, I may need to populate the dataset from a stored procedure or xml file, but in some cases I may need to manually add an additional record or row. Any suggestions? Thanks! *** Sent via Developersdex http://www.developersdex...more >>

I need to open a browser window that doesn't have have the header bar containing the "X" button and min/max buttons. I know I saw those kind of windows before when I browse the web, but I don't know how to do it. Can someone please show me how? Thanks. feng...more >>

Hi there, Just posting this because this worked for me after several hours of frustration. My webserver running on iis 6.0 was working ok. However my .aspx pages didn't. Also copying an project from visual studio to the (remote) webserver generated an error. (server is not running asp.net ...more >>

I have a datagrid with three template columns with textboxes in my item template column. My requiremnt is to bind data from the following query SELECT sum(qty), count(qty) FROM sales to the datagrid I used the following expression for my textbox: <asp:TextBox id="Textbox8"...more >>

Hi, I want to add one java script function on the click of page button of datagrid. But how to get UI control of page button so that i should be able to add attribute for onClick event. Please suggest Sumit...more >>

Hi. Can you tell me what's the difference between ByVal and ByRef in VB.Net. I'm asking this 'cause i'm passing an object into a function ByVal, then I change that object and when the function terminates the original object is changed. This kind of output is usual when passing objects...more >>

I've got a class that inherits from CollectionBase. Is it possible to bind this to a datagrid. I know that this is possible with ListBoxess, ComboBoxes etc. Eldon...more >>

How can i get the information of client side browser, such as browser history, for displaying on the web page? And, can i update or insert a new history to the browser? if yes, how can i do that by using ASP .NET? Thanks for your help! Tabo...more >>

How do I make sure, a page is loaded new from the server every time it is requested? I do not want the page to be taken out of the client's cache or to be cached on the server. your help is ver much appreciated. Beat...more >>

How can i get the client side's browser information, such as history? And can i insert new history to that browser? if yes, how can i do this by using ASP.net? Thanks for your help! Tabo...more >>