I realize that when making a web application, performing input validation in the browser is good because it prevents postbacks. However, input checking that goes beyond making sure a value exists or that it's not alphabetic when it's supposed to be numeric is arguably best left to the business t...more >>

This is a multi-part message in MIME format. ------=_NextPart_000_00A0_01C4C2B8.7EE19320 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello colleagues: =20 Somebody know that good alternatives I have, in addition to the cookies, = to mainta...more >>

How can I make an autentication dialog, to get a user name and a password??? []s... ...more >>

Hi, Is it possible to bind to a dropdownlist programmatically when it is inside a datalist? How? ...more >>

I had a working WebService on my WinXp machine. I was using Windows Authentication for database access. The App and Database are on same machine. MachineName\ASPNET has execute permissions to the stored procedures. I moved the app to a Win2003 serverwhich also has SQLServer 2000 installed. ...more >>

I'm expiriencing a basic HTML appearance problem with ASP.NET. Following a couple of sample tags to ilustrate my problem: <asp:TextBox id="txtWidthIssue" runat="server" Width="100"></asp:TextBox> <asp:DropDownList id="ddlWidthIssue" runat="server" Width="100"></asp:DropDownList> Browser ...more >>

Hello gurus! I wrote a code in VBS, that will check, that current user is in one from three groups. But i don't know how asimilate it with asp.net. This page will be a bridge between 2 - main menu and report page. Tomorrow to the 8 a.m. i must do this, but i don't know how.... Can someone he...more >>

I am using a separate aspx page that renders the graphics output to the response.outputstream that takes a value from a session variable. In the page that calls the image generation page twice setting the session variable before setting the imageurl it displays both images but using the value set...more >>

greetings, i have no permission to save my xml value into the xml file how can i over come all this. i've already right clickon the folder and file to make sure that its not in read nly mode. any other alternatives?...more >>

I installed the asp.net 2.0 beta (Whidbey), and have been happily exploring it's features. Now, however, and this is just recently, my .NET 1.1 web applications will no longer keep running on the 1.1 installation. Yes, I select ver. 1.1 from the ASP.NET tab in IIS, but the setting will no lo...more >>

I have web application.Whenever problem occures, write to a log file. Unfortunately, it killed the session as well. My sample files is in attatchment, please have look. First time, when click button,it prints before log =0001 after log=0001 If you click again: before log = after log= I pu...more >>

Folks, We have an intermittent error in our asp.net application which is driving us all crazy. In our app, we need to view the reports frequently. Now once every week, what happens is when we want to view these reports, it shows this error saying "Invalid Field name". The EXPORT method has ...more >>

On .aspx pages I can do simply: myvar=Session("myvar"). However, this gives a syntax error when I try and do it in a VB module. I've tried System.Web.SessionState.HttpSessionState("myvar") but this doesn't work either. Can someone please help? Thanks, Paul. ...more >>

Hi, When I add an asp:button (ex: id=btnLog) on home.aspx, I need to create btnLog_Click() event in home.aspx.cs, and also link this event and the button in OnInit() method by adding: this.btnLog.Click +=new System.EventHandler(this.btnLog_Click); Now, I need to generate some asp:button ...more >>

hi there, i have a <TD id="cell1" runat="server"> tag in my page which i want to set either a backgroundImage or a Class, but neither of these properties appear in the VB code when i type "cell1." Any help on this issue? thanks, Paul. ...more >>

I am using forms authentication and I need to specify a different URL that the login page redirects to after successful login. e.g. admin/default.aspx not default.aspx Thanks, Justin....more >>

Hi guys, I've an Enumerator of object arrays that I need to display on a DataGrid. Unfortunately, after I set the DataSource to the Enumerator, and call DataBind(), the DataGrid picks up & displays the public properties of the object[] instance :( I'm not able to specify in advance how big ...more >>

Hi all, Does anybody know what could be the reason of the following error? Thanks. Server Error in '/' Application. -------------------------------------------------------------------------------- Unable to validate data. Description: An unhandled exception occurred during the execut...more >>

This is probably a simple question, but I am new to this so bear with me. I have a ASP.NET form that has a checkbox and a 2 radio buttons. When the checkbox is checked, the 2 radio buttons are enabled using javascript. When the checkbox is unchecked, the 2 radio button are disabled with javas...more >>

ok I am rather new to the .net framework. I come from a J2EE background. I am not a java snob though =-) I happen to like both platforms. At any rate I came accross a simple problem that I was left unsure how to handle. I need 2 forms on a aspx page. I know that this has been addressed in len...more >>

Hi , Any one please give me the Usage with example for AutoEventWireUp PageDirective. Regards, Prem. ...more >>

We would like to consider using ASP.NET for our portal development. A requirement is that the pages are 508 compliant. http://www.section508.gov/index.cfm?FuseAction=Content&ID=3 All I have been able to find on the net is a KB article that says a framework rollup now has the grid producing...more >>

Here's my problem. I'm using a TreeView that doesn't have dblclick as an attribute. So I attempt to create an attribute for that but using below code: Me.tvEntities.Attributes.Add("onclick", "ExpandNode()") This is code for ExpandNode() in client side: <script language="VBScript" ru...more >>

Hi NG, I have another problem with User controls. Thanks to your help I was finaly able to create a Control, which is doing what I want it to do. But now I want to add more than one User-Control to my WebForm. Unfortunatly, my UserControl is using the Session-Variable to store some value...more >>

Is it possible to add an attribute for onClick event with an if condition. For example. If button is enabled then popup a message "Button Enabled" and if it is disabled popup message "Button disabled"? ...more >>

While reading the documentation on IsStartupScriptRegistered, there is a reference to "client startup script" as "Determines if the client startup script is registered with the Page object." What is meant by "Client Start Script"? Thanks, Harry ...more >>

All, I know that some versions if IIS like in Advanced Server are supporting a run-time compression, and we can enable and use it. What are requirements for the client side browser to work with compressed web site? Do all browsers support this compression? For example is we work from Window...more >>

Hi, I'm thinking of having a main page which lists people. Then you can select a person via a hyperlink, which would open up a new window to let the user select a organization off a list. The problem is how do you pass the selected data back to the original page which is still open?...more >>

Hello, I have a page with a datagrid. The datagrid has a column called Employee Name. This column is for display purposes. However, in edit mode (including making additions) the user will need to be allowed to lookup an employee. Therefore, in edit mode there will need to be a textbox. Th...more >>

Hi, I would like to know if this is possible and how?? Please help.. I have an ASP.NET Web application.. In an aspx page within the application I have a hyperlink whose NavigateUrl property is set to some other aspx page such as NewPage.aspx.. When i click on that hyperlink it takes me to the...more >>

I only have 1 set of <FORM> tags in my HTML file, but I keep getting this error. Any ideas? *********** A page can have only one server-side Form tag. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more inform...more >>

If I have an HTML element, say a <p> tag with and ID="Fred", how do I find that element? I want to set the Style attribute to "hidden", how do I do that? Thanks!!!...more >>

I have a Base class from which every page inherits. I would like to keep my navigation Menu on every page and would like to add it to the site globally from my base class instead of adding it to each page. Does anyone know of a tutorial on how this could be done? Thanks in advance! Andrea ...more >>

Hello, I just want to send an e-mail from my windows form application without specifying SmtpServer. On my computer, when i specify my smtpserver, SmtpMail.Send( aMail ) works fine, but without specifuing SmtpMail.SmtpServer, the message is never sent.. I tried various things like SmtpMa...more >>

My Web application is going to production. It may through some error in the production which is hard to reproduce. How to keep the production environment in a such a way that I can trace back what went wrong. I am using VB.Net to create the ASP.Net application using .Net Framework 1.1 Thanks for...more >>

This is wierd. I have a small app which I have developed on my local machine. Everything works flawlessly. However, when I copied it to the live server, and compiled it, there is no response from a button that logs a user into the site. Since I do not have admin rights to the live server, I cann...more >>

Hello, Can anyone tell me how to strong name a web page? Thanks Gopal...more >>

Can anyone show me the documentation on how to read the Stack Trace? When I get the error it is not possible to identify which line exactly thrown the error. Thanks, Harry ...more >>

HI Does any one know hot to remove selected items from a Listbox. Any sample code? Thx Sileesh...more >>

I have created a User Control (a Pareto Chart) using C#. It works great in .Net Windows Apps, but I also need to use it in a Web Application (to view in IE). Everything I read on this seems to be talking about Web Controls (although the terms "Web Control" and "User Control" seem to be used int...more >>

I'm new to .net so forgive me if this is a dumb question, but what do I need to start writting in ASP.Net? I have written asp pages before using Visual Interdev. I have Visual Basic .Net 2003 Standard edition that I have recently started playing with. I'm running on a Windows 2000 machine with...more >>

Hi peeps I need to use a Gantt charting display in my project. Unfortunately, the client has no spare cash for such frivolities as buying controls, so I'm going to have to write something. So I want to write it as a control, so I can reuse all my hard work. My question is.. can controls ...more >>

Group, I have a Web application sitting on a staging server that is using SQL Server 2000 as its data store, and I can run the application flawlessly. Now, when I copy the project to my localhost and run the application, using the same SQL Server, I keep on receiving a SQLException Timeout...more >>

Hi I have an aspx page which has 2 listBoxes A n B and a Button . Items in A is ynamically added when page is loading. And Listbox B is empty. Now my problem is to add selected items from ListBox A to ListBox B when i click on the Button in javascript. Doesanyknow how to dothis. Sample...more >>

I have an ASP.NET web page coded in VB.NET (2003). That web page has a dropdown box on it which is loaded during the page_load event. When the user drops this down and selects a data item, the code reads the database (based upon what they selected, of course) and then loads the appropriate data ...more >>

I am using VB ASP.NET. In my page I convert an uploaded XML file to a dataset as follows: Dim ds1 As DataSet = New DataSet ds1.ReadXml(strPathName, XmlReadMode.Auto) Now I want to append all the rows of ds1 to an existing table in an SQL Server database. I know I can do things like loopi...more >>

Hello, Is there a way to "cancel" a response.Redirect? For example, in the code below, could I insert anything in the Catch statement that would cancel the redirect and resume flow after the try-catch? Try Response.Redirect(strPage) Catch ex1 As Threading.ThreadAbortException ex1 =...more >>

I'm having a problem getting the ASPEmail library that my host uses loaded into the references section of my local project. I've downloaded the library and placed it on my work computer and my home computer. On my work computer, when i add it to the project as a reference, it coems up with (Na...more >>

Why can I not compare 2 numbers? what i have is this: dim T as string = "101" dim W as string = "99" if T > W then response.write("T is greater") end if if the numbers look like this is doesn't compare them. if they are both over a 100 it works, and if they are both under 100 it ...more >>

How do you recursively iterate thru each collection on each form on a web page and find each web control? -- Thank you kindly, Dan Sikorsky BAB, BScE, MSC ...more >>

After going productive a few days ago, we had a very strange exception on of our loadbalanced productive servers running a Microsoft Content Management Server ASP.Net application. As this exception is not thrown by our application but a general one I would like to post this here. Any clue what...more >>

If i did set cookie like this: FormsAuthentication.SetAuthCookie(username, False) How can i retrieve the username in another page ?...more >>

Hi guys, I am using VB .NET. I have a function in codebehind which validates the user credentials against stored data in database. How can i cause the script to pop up dialog box when login fails. I know we can set the label text and visibility to true. However is it possible to cause dialog b...more >>

Server: Windows 2000 ..Net Framework: v1.1.4322.573 I have created a class in asp.net that sends out an email message. It used to work on the live server but now it doesn't? I never made any changes to the application. So, I tried using the application from my machine (development server) ...more >>

Hi, I have a repeater nested within a repeater. After databinding the outer repeater, I loop through the items and databind the inner repeaters, also setting the inner repeater's ItemCommand event handler at the same time. I have disabled viewstate for performance reasons. Now, say the ...more >>

Quick question. I have numerous validation controls on a web form. I also have a cancel button on the web form that Response.Redirect("previouspage.aspx"), but when you click the button all of my validations fire off and display my Validation Summary. How do I disable the validation controls ...more >>

Hi all, Is it possible to have a nested editable datagrid in an editable datagrid? So far I've created an editable datagrid that contains a usercontrol of an editable datagrid and the user control works fine but when you go to edit the parent datagrid i get an error when .DataBind() is called...more >>

i am creating asp.net web-forms that the user prints from internet explorer what is the proper equation to determine line height in inches for a certain font size ? for example , for a 12 pt font , this is my calculation : line height = ( 12 pts / line ) * ( 1 inch / 72 pts ) = 1/6 " h...more >>

I have a question. I have datagrid in asp.net page. grid will be loaded some information on page load. One column of the grid is editcommandcolumn type with edit, update and cancel options. I don't want the edit button(linktype) to be enabled for all the rows. Bases on some information, ed...more >>

Hello, I have an aspx page, which does certain tasks - like reading from the dbase, creating files comparing records etx. Now when this page runs, it obviously returns when the page is finished. However I would like to show the current status of whats going on. Otherwise it looks like...more >>

how do I check if the data in the session object is null before extracting it. The following throws an error if the Session object has not already been created. string str = System.Web.HttpContext.Current.Session["abc"].ToString(); Thanks ...more >>

Hi, I need to pass session state variables across different web applications. Firstly is this possible and secondly can someone show me how please?? ...more >>

I am trying to create instance of class and and call a method of this class that creates a global variable which is available in anywhere in the page.. Here is what i am doing.. but i am getting build error message as shown: C:\Inetpub\aspnet\intranet\bs\request.aspx.cs(45): 'intranet.depa...more >>

LoadViewState is taking a long time on a page, the bigger the dataset the longer the wait and also it takes longer on remote server than local host. EnableViewState is FALSE and when I examine the viewstate size for the datagrid in trace it is ZERO. But the view state string is very long :...more >>

Hi, I have to implement the functionality like 'drag n drop' in asp.net form. It is like, a table will be shown to the user at the client side. the first and last column of the table at the client is bound to some data. This data is made to be darg n drop. The drag and drop should be implemen...more >>

Hi There, How can I format a date inside a data column? I have been looking around but can't find any information on it. Regards c.Controls.Add(New LiteralControl(dataR(dataC.ColumnName)))...more >>

Hi, While you cache a db you should be able to show some activity to the user. The caching might take a while if the database is big, so to prevent the user from turning into another site with better speed, you should show the user some activity progress (progressbar) in the best case, seco...more >>

Hello, I'm currently preparing for the exam 70-315. I'm using the Self-paced training kit "Developing Web Applications with Microsoft Visual C#.NET", but I find it rather difficult. I have programming experience in Lotus Notes and I have developped several 'basic' websites, but .NET and C#...more >>

Hi, I've seen many Internet sites that suppress the URL or show the same URL all the time your moving around different pages. You'll only see the real page with it's path in the statusbar way down on the page. How is that done in asp.net? I have an example on this, in sweden, stockholm ...more >>

Hi There! I'm having trouble dynamically adding custom controls. My custom controls does not use code-behind but only <script /> block for programming. So as a result, I don't need to compile my custom controls to dll for them to work. But I wonder, if I don't compile to dll, can I still d...more >>