Hello, when i uploaded my web site to a server i got this message everytime there was a form with authentication of an email address: System.Exception: The FromAddress is not syntactically correct, based upon the pattern set by EmailMessage.ValidateRegEx: [\w-]+@([\w-]+\.)+[\w-]+ To turn pr...more >>

Hi, I just uploaded a web site and i am getting an error. I have a script which sends form values to an email using AspNetEmail.=20 The script was working when i was calling the script like this: <asp:Button ID=3D"Finish" runat=3D"server" OnClick=3D"sendEmail"> However, in this new web si...more >>

Hi There I have multiple asp.net web apps that all make use of a common set of sql data. I currently have each application cache this data using the cache api. As the data is same for all apps, I want to save memory and "share" the cache across all sites. I was thinking of creating a webs...more >>

Hi, I installed the framework on a server (W2K, II5) and when I'm trying to run an aspx page, I get the following error. I searched on google and microsoft site but none of this helped. Can someone help? Thank you, Cezar ----- Cannot execute a program. The command being executed was "c:...more >>

Hi - I want to build a templated control that can change types of the template at runtime. Possible? I would need to have TemplateContainer be a type that's either an abstract / inherited type or be changeable at runtime, but I'm not sure I can have either. Any thoughts? I realize the o...more >>

Is there anything that can take an access project and convert it to dotnet? Would appreciate any utilities that I could investigate. I know that's probably not the best way to go about getting stuff over to dotnet & the web, but in a perfect world we all have time to rewrite every line of code...more >>

I just finished developing an ASP.NET app on my [Windows 2000 Server]. Everything was fine so I deployed to the production machine [Windows 2003 Server]. Now any postbacks that occurs in the app causes strange results: [session vars seem to be ok, but the postback values get lost and sometim...more >>

Hi, i have some email addresses in a web site of a client. Can you tell me what are the best ways to somehow hide the email addresses from the SpamBots. Can you give the a list of: 1. What To Do 2. What Not To Do Thanks, Miguel ...more >>

How can I programatically stop a Button or an ImageButton from causing a postback ? I just want it to do nothing. ...more >>

Here is the seniaro, I have a user control consisting of a list of 3 Companies. e.g 1 - Company A 2 - Company B 3 - Company C - These are read from a data base and may increase in the future. What I wan to be able to do is have the control rember its state. with regards to the following ...more >>

I'm having a problem with a textbox I'm using. On all the other pages i have, if the user presses the enter key the form submits and moves on to the next page. However with this page if the user presses enter, he/she is directed to the index page of the site - None of the buttons on the page eve...more >>

I having a problem that receives the following error: Specified cast is not valid And I need some help. Here is what is happening: I have a form with a drop-down control that contains a list of control names (TextBox, DropDownList, Calendar). On Post back of this drop-down control, I clea...more >>

I have a page that can upload or display a particular image from a SQL server....works fine. Data is stored as a binary data type. I'm looking for a simple way to find out what some of the attributes of the image are, such has the size, x & y dimensions. Thanks. -Rob T. ...more >>

Hi, I'm having an aspx page with a server form. i have a grid with a delete button and below the grid, another area with inputs for inserting new values and an "add" button for submiting the lower area of the form. on the lower area i have validators for validating input. my problem i...more >>

I'm having no luck getting the FTP sample found here: http://www.csharphelp.com/archives/archive9.html to work. I've tried every conceivable angle, but can't figure it out why I can't successfully upload a file. I'm almost convinced it's a permissions issue when the System.IO tries to read t...more >>

I want to double click on a row within the grid and have it take me to a edit screen for that row. Currently I allow the user highlight a row and click the Edit Button and that takes them to a edit screen, can I have it work the same way if they double click the row? in VB.NET ...more >>

Is there anyway for a Javascript routine to determine if the validators on its page are successful? What's happening is I'm adding a javascript routine to the Submit button of a page (to perform my own validation tasks), and by doing that it always submits the page regardless if any of the vali...more >>

I'm in the middle of developing a web app, and every time I attempt to connect to the web server (on the same machine) the connection dialog pops up to connect to my isp. If I choose to work offline nothing works. I can just place the connection dialog out of the way, but it seems like there sho...more >>

I everyone! I'm a new asp.net user and I'm trying to run some sample files from de msdn database and most of them use the pubs database. My problem is that although I see the pubs database in the folder where (I guess) it should be when I try to work with it (even with the msdn samples) I a...more >>

What has everyone used and what can you recommend for creating PDF's. i know it has been asked lots in the past but i cant find any of the old threads. ...more >>

Is there any way to create control that displays my web page in (modal) dialog window and returns value when closed?Like in Winforms. like: DialogWindow t = new DialogWindow("mypage.aspx"); t.Show(); return t.MyVariable; ...more >>

This is more a question of style really, nothing too technical - honest. My question is what is the preferred way of defining the styles of elements in an asp.net page? Supposing I have several *Web* controls (i.e. <asp:label> elements) that I want to apply a formatting style to. The first m...more >>

Hello, If anyone can point me to a good ASP based Control Panel for IIS5, I would be much obliged. I hacked together an ASP site for file uploads and sharing. Its very simple, and basically shows the user the files that exist in one folder. I want to expand this functionallity so that they ...more >>

Hi, I'm having a problem navigating to/from a subweb using forms authentication. The setup in IIS is as follows: TestSite +----SecureDir +----ReportsSubWeb In VS.Net 2003 this has been set up as a single solution containing two projects; the first project contains TestSite and SecureDir...more >>

I'm implementing ASP.NET Forms authentication, and storing passwords in a SQL Server database. Just wondering what some of you who have implemented this scenario in a hosted environment do to keep the passwords in the database "safe". Do you store them as plain text, do you base(64) encode the...more >>

Hi My question is if and how a static variable remains the same state if more than one session of my web site is running. Is the content of my static different at all sessions or not. For sample session 1 - Static int = 10 session 2 - Static int = 8 If a third session is running does the sta...more >>

Dear all, When running the program, I recieved the following error "Exception Details: System.Data.SqlClient.SqlException: Login failed for user 'sa'." In web.config file, the connection setting is below: " <appSettings> <add key="PubsString" value="workstation id='sha-tongl-xp1';u...more >>

I can't find a way to open a new browser window from my codebehind. 1) My page does a postback to the server. 2) On server I evaluate whether to return to existing page or leave existing page displayed and open new window with different page Seems easy enough, I've just not found the key ele...more >>

In one of my asp.net apps a response.redirect is sometimes resulting in the blank page with "Object moved to here." I've tried repsonse.clear and response.buffer (true & false) but still get this error sproadically. Understand this was problem in some older versions of browsers...I'm using IE...more >>

I've written an extender provider for ASP.NET windows forms controls and web controls. My windows forms solution works fine, but my ASP.NET solution does not persist any property values I enter via the visual studio property grid. Upon examination of the code within InitializeComponent I can se...more >>

After sending an email message formatted for HTML using the STMP Mail function within .NET, my message arrives with exclamation marks throughout the text, which inadvertantly hinders the correct formatting of the text. Importing the source from one of these messages to Microsoft Word, I was able ...more >>

Hey all, I would like to preface my question by stating I am still learning ASP.net and while I am confident in the basics and foundation, the more advanced stuff is still a challenge. Ok. :) We are looking at redoing our entire Intranet, starting over from scratch, as a .Net websi...more >>

I'm using Forms Based Authentication. I've written my code so that when a user does something but has timed out, it gracefully logs them out and asks them to log back on. I do this with . . Session.Abandon() Response.Redirect("logon.aspx") That puts them back to logon, but then they en...more >>

Hey! We need a solution for a problem. We're designing a site where users hate... absolutly hate... with a passion to sign in with a user name / password system. They want to sign in once, and that's it. User's are all behind an internal IP so we can't use the old method of remembering IP's...more >>

I have one question. DataGrid control is performance cost.Use any other control if possible. That is by the book. But I need sorting and paging on all my pages. So, is there any better solution or I should use dataGrid anyway? Thank you, Simon ...more >>

On my "classic asp" application I have some javascript that runs when the user clicks Submit and verifies all the required fields are filled in and the email, phone, and fax numbers are formatted correctly and if they're not a message box pop's up and tells the user they missed something and then...more >>

Below is the code. language = asp.net/vb.net private sub openW() sResult = sResult & "<script language=javascript> mywindow = window.open('http://localhost/mohsaic/default.aspx?tc=Client/Manage'); " sResult = sResult & "mywindow.parent.frames[1].location = 'http://localhost/treeview/...more >>

Hi, In IIS6, is there a way to reset an individual web application rather than the whole IIS? Does that happen when you change something in Web.config and save it? Thanks, Chumma Dede ...more >>

Hello, I have the following Html form: <form name="submitForProcess" action="http://localhost/xml/process.aspx" method="post" enctype="multipart/form-data"> <input type="text" name="customerId" value="5" /><br /> <input type="text" name="customerName" value="Johnson" /><br /> <...more >>

hello I am putting together a web form which builds an xml file. I have another class which is referenced in the asp.net page. The first page load creates an instance of the class. In the class are various methods which build up an xml file...ie create method builds the first root element, a...more >>

Have parent.aspx from which I open Driver.aspx form via button on parent.aspx. When I first open the modal dialog, the driver.aspx Page_Load function is called. After I close the dialog, then reopen the form again by clicking the button control from the parent - the Page_Load function is not calle...more >>

Hi All, I have tryed to create a windows control for Internet Explore. It is working fine without Database process. When I add any database process in the code then I started to get an Error from the Control. Chung ...more >>

I'm building a reporting system in asp.net which needs an "export to Excel" function. We have Excel 2000 in the office. So I've added a reference to the Microsoft Excel 9.0 Object Library. Having added "<identity impersonate='true'/>" to my Web.config, I can now create an instance of Excel and ma...more >>

I need to format a todays date as: June 22, 2004 The closest I can come is Tuesday, June 22, 2004 I need to do this in both asp.net and asp. I was trying something like: <%= FormatDateTime(Now(), 2) %> But can't get the format I want. Is there a better way? Thanks, Tom....more >>

Can somebody please tell me if I am going about this task the right way? I have a recordset that I want to read and then perform a test and an update on each record in the recordset. Should I use a datareader to read the data and then a foreach loop to do my test and update? And if so, what wou...more >>

As the Web UserControl class has no DesignMode property (it's not derived from Component), how do you tell if your UserControl is running in the IDE. I've got a public property on my UserControl that persists it's value to the ViewState in its "set" accessor, and reads it's value from the...more >>

Hi, I am trying to write a bool in an Access Database, where I have the datatype "true/false" (or "wahr/falsch" in German). I am using a DataSet, where I am doing my changes to the variable. After that I am calling the update()- method on my DB-adapter-object ('adapter.Update(dbItems)') -- and ...more >>

Hi, i want to make a table visible if any of 3 database field values are different from "". The code i have is this: visible='<%# dataSetPerson.FieldValue("Value1", Container) <> "" OR dataSetPerson.FieldValue("Value2", Container) <> "" OR dataSetPerson.FieldValue("Value3", Container) <>...more >>

Hi I have created my first web service that returns a dataset, on my local win2k server. How can I now consume the web service in a vb.net app also running on the same server? Thanks Regards ...more >>