Hi everybody , A Couple of weeks back I had asked some practicle scenarios for using the sigleton pattern. Most people use the singleton pattern for storing configuration related data . Would this not make it difficult to update the cofig data as the webserver would have to be restarted if...more >>

Hi all, In our ASP.NET web application we have to enable or disable features in each ASP.NET page based on role assigned to user. Ex: if user who logs in is superisor then he can change phonenumber in page1.aspx if user who logs in is finaceofficial then he can just view the phone numb...more >>

Hi all, If an error occurs in an aspx-page, you can configure the web.config in a way that the user automatically navigates to a certain page (e.g. error.aspx). My question: is it possible to catch the stacktrace of the error in error.aspx so it can be logged? The error has been catched som...more >>

Hi, I am just about to deploy my production application on a win2k server with two processors. I have been reading that inprocess session state is not the best method for multi processor systems (web garden) because asp.net will spawn a single process for each processor. I was a little per...more >>

Hi, How can I combine the rows from two tables as a result of an outer join, wherein I have a primary key and foreign key constraints. Right now, I am using two different adapters to fill the dataset. Is there any way I can use a single data adapter to fill the data in the dataset with...more >>

General: - Using C# - Using notepad to program (NOT Visual Studio). I have a code-behind file name 'example1.cs'. I want to use an Assembly given to me for a project I'm working on. I have put the assembly named 'assembly1.dll' in the /bin directory. How do I import/load etc the assemb...more >>

I'm calling Server.MapPath from global.asa through this line of code: Application("reports_dir") = Server.MapPath("Reports") The web application opens on a testing web server (not mine) at this mapped drive: M:\ And at this browser URL: http://mrs2/P2M/login.aspx I expected MapPath to ma...more >>

Hey folks I am having a weird problem in ASP .Net. My page is in C#. I have a datagrid, which populates based on selection in drop down box on ASP page. This datagrid has template textbox colum in itemtemplate. Datagrid is something like this- Category Week Amt Week% Button Revenue 1 ...more >>

I am trying to move an application that i created to my isp. My application runs on my local machine. Howerever I am gettting a null reference point to an application variable I created. In my default.aspx page I have the following line in my page load event TextBox1.Text = Application["Ba...more >>

I want to convert a string "1234123412341234" to "1234-1234-1234-1234". This does not work: String.Format("{0:xxxx-xxxx-xxxx-xxxx}",s) What will? Although I know there are many other solutions, I am only interested in ones that use the new braket {0:} style formating because many web controls r...more >>

In an attempt to reformat the web page I moved controls into a frame and then when that did no good I replaced then on the aspx in the same order as before. When I did the CTL-X the handlers lost their handling capabilities. I have replace the handling clauses but nothing happens (not totally c...more >>

Hello, My app needs to map calls to "virtual files" to ASPX parametrized pages, without showing user actual page address. I.e, I want to catch calls to http://myserver.com/products/id_product/somefeature.ashx and redirect them to http://products.myserver.com/product.aspx?id=id_product&featur...more >>

for the code-behind a WebForm, it's easy to use ASP.NET session state -- just refer to the built-in Session object ... but how to write code elsewhere that utilizes this same object ? within a WebForm, Session is an instance of the class System.Web.SessionState.HTTPSessionState .... but ...more >>

I have an aspx page that is used to control automated tasks. It needs to be visited every day at 1am. The host provider provides no such service at present. I was looking for ideas. Thanks Shane ...more >>

I am keeping my information about connection in web.config file. I would like to use Server.MapPath method to retrive a path to a database in access but I do not know how to do it. If I use just use + to combine string with Server.MapPath method I got an error. I will appreciate if somebody c...more >>

Hi all, I've scanned Google Newsgroups, but although similar problems were discussed there seemed to be no solution for the following. I am using Windows 2003 Server, Evaluation Edition (Build 3718) and a trial version of vs.net 2003 enterprise edition, both on the same machine. all specifi...more >>

ASP.net bebuging rejected. the error message is: Error while trying to run project: Unable to start debugging on the web server. Access is denied. This seems to be because the 'Network access: Sharing and security model for local accounts' security policy does not allow users to authentic...more >>

Hello, Does anybody here know if you can use Site Server Commerce Edition 3.0 with the .NET framework and ASP.NET? Issues. j g l *AT* t t a h e a d . c o m...more >>

I'm doing a query against a database table and outputting to Excel via Response.ContentEncoding and Response.ContentType. Something like the code below where dg is a DataGrid control. Response.Clear() Response.ContentType = "application/vnd.ms-excel" Response.Content...more >>

Hi: Here's what I am trying to do, pass a string array between two pages using Server.Transfer method. Sending page I do this: private string[] arrFCInfo=new String[5]; //Property - read only public public object arrayFC { get { return arrFCInfo; } } In the receiving page, I wa...more >>

Does anyone know why it takes so long for a post to show up?...more >>

I've used System.Web.Mail before but have never had the need to send attchemnets through it...until now. A client of mine would like a form on the website to allow a user to type up a message and upload a file. I'm staying away from mailto links. So the file and message will be uploaded to th...more >>

Is there a point when the size of a asp.net web project is too big ... and it really should be broken down into multiple projects? For example, there is a significant difference in .dll size between a web site that has 10 codebehind pages v. 50 codebehind pages v 150 codebehind pages. Is ther...more >>

Hi there, I am starting on an ASP .Net project. I have some examples of using a base class for pages to inherit from to allow additional properties to be used by default. This seems like a good idea to me. I have a namespace Company.Web. I have created a PageBase.vb file with a PageBase cla...more >>

Hi, If I use session state mode=InProc, my session variable for the dataview object is working fine, but if I change the mode to StateServer, I got the error message saying: The type System.Data.DataView in Assembly System.Data, Version=1.0.3300.0, Culture=neutral, ...... is not marked ...more >>

Hello, I have a drop down list control in a datagrid. I can't seem to populate the control. Here is what my code looks like: <EditItemTemplate> <asp:DropDownList ID= "ddlUser5" DataSource = '<%# ddlUser5Bind() %>' Runat =server> </asp:DropDownList> </EditItemTemplate> Function ddlU...more >>

This is one of those things that is really bugging me. I have a big form (lots and lots of textboxes). I know it isn't the greatest design, but thats besides the point.... So when I have a Form in IE6 with the readonly property and the Disabled attribute: <FORM NAME="aForm" id="aForm" READ...more >>

Hi ! I have a Wep App in C#. Page_Unload fires after Page_Load, and it seems totally unreasonable when you want to use this event when you _leave_ the page. In my project we wanted to use the Page_Unload - event to clean up the Session variables, but when it turns out that it fires before...more >>

After selecting an option from the DropDownList and posting back, the SelectedIndex for the DropDownList (ddlShippingMethods) remains at -1. This form inherits from a base class. There is no code in the base class that pertains to the dataset, ddl, datasource, etc. Any ideas as to why this is...more >>

I have added an HTMLTextArea object (htaNote) to my webform.aspx and in the Page_Load codebehind I type something like: htaNote.Value = "Ouch!" Unfortunately, the intellisense does not provide the .Value for me because it does not recognize the object. I cannot reference Me.htaNote, e...more >>

When I databind a value/text combination from an sqldatareader to a dropdownlist, the trailing spaces are getting included in the dropdownlist. I can RTRIM from within the SQL to fix this problem, but I am wondering if there is a more elegant solution to trim all the text/value combinatio...more >>

Hello All, I am having a problem with events and the addition of controls on a page I am developing. First let me tell you what I have tried and then maybe someone can see something I missed. First I tried adding the controls and the event handlers for my control in the Initialize Com...more >>

Hi. I am creating a custom control that uses the RegisterHiddenField method to insert a hidden field on a page. When I tried to see the value of the hidden field on a trace, I noticed that it does not appear on the Control Tree section of the trace. I put a normal hidden field on an aspx page ...more >>

Hi, If I put a try catch block for Server.Transfer call. It will catch a System.Threading.ThreadAbortException exception like this. However, it transfer the page to the correct page. Why did this exception occur? Thanks. ------------------------------------ {"Thread was being aborted." } ...more >>

I need to find out if a user name have been create before in a table. if so I don't want to allow new users to recreate it. ...more >>

Using Interop, I created an assembly DLL that implements some of the = methods within the COM DLL. In a WinForm app, it works great. But when = I try to implement it in ASP.NET, I get the following error: System.IO.FileNotFoundException: The specified module could not be = found. I've creat...more >>

My ASP.NET application has a file upload module to upload files from a client's desktop to the web server. This module works very well. However, our clients have been asking if there is a way to upload email text and email attachments directly from their Outlook InBox to our web server. Is the...more >>

I would like my error handler to pop up a message on my webform. How do you do this? Currently I'm using System.Web.HttpContext.Current.Response.Write("MY ERROR") Any ideas? Thanks! ...more >>

I am using a custom http error redirect in my web.config (404) <customErrors mode="On" defaultRedirect="default.aspx"> <error statusCode="404" redirect="default.aspx"/> </customErrors> It works when someone enters http://www.mydomain.com/myfolder/mypage.aspx the redirect works fin...more >>

hi, I have implemented forms authentication and it is woking well however I am experiencing a slightly frustrating problem. The "Admin" directory of my site is password protected, however if a user successfully logs in to this section then will see a small menu at the top of the page on ANY ...more >>

Hi, Have one quesiton: "Acme" belongs to which object? Thanks. ...more >>

Hi All I have been tryign to figure out the scope of a module as shown declared below in a web environment. My Questions are Is this module shared across multiple instances of the application ?? What about variables declared in global scope of this module ? How does asp.net treat ...more >>

I want to be able to open another web page in a new browser window from the one I am currently on? How do I accomplish this? I am currently just using the response.redirect method but can't find a way for it to open the page in a new window. Thanks Mike ...more >>

Hi guys, Say I made a SELECT statement to my sql DB that would return 50 rows that I will use a sqldatareader to access. Instead of iterating through each and every row of the datareader, I'd like to just iterate through, say, rows 20 through 30. How can one do this? Thanks very muc...more >>

Hi, What's diff between the two page load event? I can debug the second one. Please advice. Thanks... <script language="C#" runat="server"> protected void Page_Load(Object Src, EventArgs E) { } </script> aspxcs file private void Page_Load(object sender, System.EventArg...more >>

I've downloaded and built the IE web controls, so I have the Microsoft.Web.UI.WebControls.dll on my hard disk, I've added to my toolbox in Visual Studio .NET 2003 (spanish). The problems raise when i try to use a treeview control, I drop it and when I try to add nodes i receive the next me...more >>

Hi! Here is my problem: I'm inserting script for Trust Logo from one of the SSL authorities. It works fine when I do it in HTML, but I need to build it dynamically: HtmlTableRow tR = new HtmlTableRow(); HtmlTableCell tC1 = new HtmlTableCell(); tC1.Controls.Add(new LiteralCo...more >>

Hi, I am developing a COM component in C# using a COM Callable Wrapper. This com component works fine on my development machine(Win XP). I use ASP pages to invoke this component. When I try the same on Win 2003 Server ( i.e., when I try calling a function on the COM component from ASP) I ge...more >>

I have a DOS script that runs the batch version of an application (called SAS) that generates log file. Executed from DOS the script runs fine generating the log file. Except for a quick GUI flash, the executable appears to be just a DOS executable. From ASP.NET, I've am able to run other DOS ...more >>

Hello, Has anybody heard about an HTML editor available as an ASP.NET control or so? I need one for my Content Management System. I would appreciate any help: links to existing components, programs, code snippets, or any other resources regarding building online HTML editors using ASP.NET. ...more >>

Hi, I'm trying to execute ASPX page on a test IIS Server. Instead of executing it shows the ASPX file on screen. What's happening ? ...more >>

Computer A is a server running IIS. User X logs in computer A, by logs in I mean phyiscally goes to that server and logs into a winxp user account. A has a website on IIS, user Y on computer B visits that site. The site needs to launch an application with a gui on computer A on the desktop...more >>

Hi I have the following datarow that I want to add to a datatable. DataRow newRow = ds.Tables["Customers"].NewRow (); newRow["ContactFirstName"] = Cache["FirstName"].ToString (); newRow["ContactLastName"] = Cache["LastName"].ToString (); ds.Tables["Customers"].Rows.Add (newRow); ...more >>

I saw an article that described how to convert the query string into an Url without a query string and return the page. For example, this request: http://www.mywebsite.com/products.aspx?category=motherboard becomes something like this: http://www.mywebsite.com/motherboard.aspx I need...more >>

My asp.net app fails to make any further connections to my access db after surfing for a while. This error also brings down the entire site for all other users as well. Made sure to close all connections and even call dispose when done. Access lock remains for a while. The file size of...more >>

Hi, I need to RUN/execute a Command-Line command from an ASP page. This is the command: sse45.exe -i k:\o\2.wmv -o k:\o\2.shh -w 128 -df 0 -m 2 -p Can you show me a code how to run this command from an ASP page? I need to run it from an ASP/VBscript? Thank you very much for your help! ...more >>

How can I refer to MyTextBox.Text which is located in mycontrol.ascx from within mymainpage.aspx? (i.e, mycontrol.ascx is a User Control located on mymainpage.aspx). Thanks! Mike ...more >>

I am trying to do something pretty simple - but can't see how it can be done in ASP.NET. I have an aspx web page with a form which opens up a new window. The web page uses code behind to build the new window. There is simple validation on the form. However, after the form page validates a...more >>

Hi, I would like to ask how I can close the whole IE program when I click on a button in my aspx page, which is something like: application.exit() thanks in advance... Justin...more >>

Is there a way to spell check other than copy and pasting into Word to see how bad at spelling you are? -M ...more >>

Parser Error Message: Access is denied: 'localhost'. Source Error: Line 256: <add assembly="System.EnterpriseServices, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/> Line 257: <add assembly="System.Web.Mobile, Version=1.0.5000.0, Cultur...more >>