Hi guys, im trying to do something which I feel isn't that difficult. I'm just a little lost in the .net framework. Here goes... I have a repeater which is using a SiteMapDataSource to bind to. I am trying to make my own custom navigation system. All in all it works fine. I simply create...more >>

How to change database name on the fly? I have an asp.net application in which a user connects to a sql server, where there's a centralized database with the users table and general settings. Then, each user also has a database in which his particular information is stored. There will be a fe...more >>

Hello, I would like to skip the display of some items of a repeater. I think I need to do something like this: <asp:Repeater ...> <ItemTemplate> <% if (a == b) { %> ... <% } %> </ItemTemplate> </asp:Repeater> But I can't find out the exact syntax, or if there is a bette...more >>

Please forgive me if this is an obvious question, but my programming experience is VB6 and old fashioned languages. Forth anyone? Anyway I am now trying to learn ASP2.0, via Microsoft Visual Web Developer 2005 Express, and so far so good. But I now want to deploy an initial website to test ...more >>

Hi, Anyone know if it's possible to set the visibilty of a servercontrol thru javascript. Think it would go something like this, but its not working: document.forms[0]['TextBox1'].style.visibility == 'hidden' Thanks T. --------- Diving the blue deep. ...more >>

Does anyone knows how to change the title of the page when someone uses a masterpage? Aristotelis ...more >>

Hello, I created a user control that has a ListBox and a RadioButtonList (and other stuff). The idea is that I put the user control on the ASPX page multiple times and each user control will load with different data (locations, departments, etc.). When I click the RadioButtonList th...more >>

I was just wondering if anyone had any good reasons to use the Session object when the newer Profile object is now available. Thanks. -- Jonathan Wood SoftCircuits Programming http://www.softcircuits.com ...more >>

Hi, Did enybody know what happens? My ASP application works fine until today. I didnt change anything in iis or code or postgresql. The efect is: - veery slow executesqlcommand - after sqlcommand IE hangs for 2 minuts then returns no error I haven't idea. Please Help mr. Hyde I'm pro...more >>

I got error message "Asynchronous operations are not allowed in this context. Page starting an asynchronous operation has to have the Async attribute set to true and an asynchronous operation can only be started on a page prior to PreRenderComplete event." -- WWW: http://www.imagestation....more >>

Hi All, I need small help on this formus, actuallly i have a problem with my applet application, i developed the applet application on the jre 1.4. version, if the same applicaiton in another system i mean in the client machine the application not running, its showing blank page bec in the cli...more >>

I have created a ConfigurationSection class in VB.NET. I tested my class using a windows application. Now I need to move it into my ASP.NET project. I get an error stating that I need to specify the exePath. In the windows application I was using the ConfigurationLevel.None. I tried settin...more >>

Hi, I can only give you a general description behavior of the web app error since it was written by someone else (using some type of code generator) and now he's gone. Our site was built using asp.net 1.1, and it connects to a DB and does a simple query to display data. The first few static ...more >>

When I started a new ASP project I was eager to use the login facilities offered in Framework 2.0/VS 2005. I wanted: - A custom principal that could hold my integer UserID from the database - An easy way to classify different pages as either Admin, Member or Public, where login is necessary...more >>

I wanted to make a pop up box to verify a choice to delete a database record, so I tried this code: Dim Result As MsgBoxResult Result = MsgBox("Are You Sure?", MsgBoxStyle.OkCancel, "Sure?") If Result = MsgBoxResult.Ok Then Else End If The error I got was: Showing a modal dialog box o...more >>

Can anyone help? I getting this error on line 17: Object reference not set to an instance of an object. Line 15: Dim UserGUID As Object = User.ProviderUserKey Line 16: Line 17: DataSource.InsertParameters.Add("UserID", UserGUID.ToString()) Line 18: DataSource.Inser...more >>

I need to get the IP address when my web server listen to in ASP.NET application. C# is teh language. My Server has a multiple installation of my application and I need to show the IP in one message box. Any ideas? thx ...more >>

I have a createuserwizard control on my web form. When the user registration fields are filled out correctly, and the user then presses the return key instead of clicking the 'create user' button, the browser seems to default to the first asp control on the web page instead of having the same...more >>

Hello. I developed a web consuming windows application/form program with VS.NET 2003, VB, .Net Framework 1.1.4322, ASP.NET 1.1.4322, IIS 5.1. Using this code to open a simple text file. If i get an error in my program after the file has been opened once, it gives me a message saying "Sy...more >>

I need to have an asynch thread abort itself. Something akin to a STOP. The thread that spawned it cannot access it so it must done within the thread. Chip ...more >>

Is there a way to prevent the master page to reload every time the user makes a selection off of the menu? I want to give it a "Frame" like appearance were only the content section changes with a menu selection....more >>

Does anybody know anything about a default limit of 249 characters to a datareader/dataset field? I'm trying to pull off a 200 word record from an Access MEMO field in a GridView and the reader and dataset used to get it only displays the first 249 characters. Any help would greatly be appr...more >>

We're writing a small survey app in ASP.Net 2.0. We're dynamically adding Views to a MultiView control for each question stored in a database. We are considering displaying three to five questions at a time. Is it possible to 'page' through a MulitView control and display more than one View at...more >>

How can I add meta tags to web forms if they are being derived out of master page?? If I add this snippet to foo.aspx it throws exception <head runat=server> <meta name="description" content="Foo"> </head> TIA ...more >>

I would like to set the following Page directives in my C# code-behind for ASP.NET 2.0 Web Application Project and also in a ASP.NET 2.0 Web Site. What event should I hook and what should the code look like? MaintainScrollPositionOnPostback ViewStateEncryptionMode LinePragmas Title Th...more >>

Hi All, I know there have been previous posts with this topic but the issue for most seems to be the security permissions on the shared drive. My scenario is as follows : I have IIS on local machine, I have code on a mapped drive in the network. I tried writing to a folder on the mapped drive ...more >>

hey all, in vs2k3 i could loop thru all the elements in the document like the following: function getscrollvalue(){ elm=document.Form1.elements; for(i=0;i<elm.length;i++) if(elm[i].type=="text" && elm[i].name.match("scrollvalue")!=null){ a=elm[i]; a.value=(a.value=="")?0:a.v...more >>

Why not? Why can't I put a table within paragraph tags? Also: "Element DIV cannot be nested within element 'u'." I can't underline something within div tags? Why not? Thanks! :) ...more >>

I've got this code for a random GDI+ chart generator, and the demo works, but when I try to run it on my local machine I get a compiler error: Compiler Error Message: CS0117: 'Random' does not contain a definition for 'Next' Here's the code: using System; using System.Collections; using Sy...more >>

I have two dropdownlists that are bound to the same datasource and I have a couple of questions: 1) Because they are bound to the same datasource, I am assuming that they only make 1 round trip to the DB server -- is that correct? 2) On a user's click of a button, one of the actions in the...more >>

Last night I noticed a bunch of our web apps were getting out of memory exceptions. I checked task manager on the server and the w3wp.exe process had eaten up about 780 megs of memory. I did an IIS reset and it has solved (temporarily probably) the issue. Memory usage dropped to about 50 me...more >>

Is this a holiday week? There are way too many unanswered posts! I dont' care if the person asked a dumb or un-comprehensible question, they deserve a response even if it is to clarify or re-state their question and offer a suggestion. Hang in there posters, hopefully our questions will...more >>

Hello All, This is a newbie follow-up to my previous newbie question.... Is there a way to view a Word document (or a PDF, or a text file, or any other file) as content for a Master Page? Previously, I had an HTML file that used frames, with a "table of contents" in the left frame, and ...more >>

Hi, I've a couple questions regarding in-place pre-compiling . As I understand it from ms documentation - precompiling a site in place effectively performs the same compilation that occurs when users request pages from your site. Therefore, the primary performance improvement is that pag...more >>

Is there a way to prevent the master page to reload every time the user makes a selection off of the menu? I want to give it a "Frame" like appearance were only the content section changes with a menu selection....more >>

Hi all, I've created an app which allows a directory to be browsed. If a file is clicked, I use ResolveUrl() to convert the directory path to a url path. I then attach the file name to the end of it. This works perfectly for all files but one. The name of the file is "lead ECG B&W.pdf" It se...more >>

Hello, I'd like to know whether there is a setting which would enable me to show all 4 paging links (first-previous-next-last) in all cases. The standard behaviour is not to show first and previous on the first page. That's logical, but I'd prefer to show disabled links there except of nothing....more >>

I get this error: Unable to cast object of type 'System.Web.UI.HtmlControls.HtmlInputText' to type 'System.Web.UI.WebControls.TextBox'. Using this code: Dim test3 As TextBox test3 = CType(e.Item.FindControl("edit_name"), TextBox) Dim SQL As String ...more >>

I have a web application that I have partitioned into 4 assemblies: web application (presentation), business entities (typed datasets), business objects (business logic), and data access (using DAAB). The two areas that where I have read conflicting information are the use of typed datasets an...more >>

I get the error: Object reference not set to an instance of an object With this code: Dim test3 As New TextBox test3 = CType(e.Item.FindControl("name"), TextBox) Dim name As String = test3.Text The specific line is: Dim name As String = test3.Text ...more >>

Hello all- I'm using the enterprise library for my data calls. I have a sql query that takes a long time to run and would like to increase the timeout for that one single call. If I step into the ent lib code I can get at the connection timeout property and increase that, but I can't get at i...more >>

Hi, I have an old .htm site that I need to protect with Forms Authentication. I know that I can change the filetype of all these files to .aspx, and this lets the Forms Authentication protect them, however I saw on msdn.microsoft.com that this incurs some additional overhead. Does anyone know h...more >>

Does Windows XP Media Center Edition support installation of IIS and ASP.NET or do you need Windows XP Pro or Server series? I installed on Media Center and I get errors is the reason I am asking. My previous use was on XP Pro and never had any problems. If XP Pro is required I will just have ...more >>

Hi all, I have a TreeView control in my ASP.NET 2.0 Web application with checkboxes enabled. I would like to generate a postback when a user ticks or unticks a checkbox. As far as i know, this is not possible out of the box. Does anyone have a solution/workaround/hack for this? Cheers,...more >>

Hello I have a GridView which is bound to a standard DataSet on Page_Load. E.g Grid.DataSource = dataSet; Grid.DataBind(); I have added columns manually in the aspx source, and one of them is a ButtonField, which is hooked up to a _RowCommand event handler. What I need to do is t...more >>

hi, i am hoping that someone may be able to help me... i have been writing vb.net pages using visual web developer. they all work fine locally however when i upload to the server i get the following error: Compiler Error Message: BC30037: Character is not valid. it looks as if some stra...more >>

Hi, I'm adding a security layer to a companies intranet pages. I have created a login page, using the Asp.Net 2 login control, and am using Forms Authentication. I have set the <forms> timeout attribute to 5mins, as they don't want anyone to be able to view the secure pages without logging in. I...more >>

hi, is it possible to put a windows control on an asp.net page? I need a windows listbox on an asp.net page to store objects in it. the listbox control of asp.net can't store objects (only strings). thank you very much uwe from germany (sorry for my bad english) ...more >>

Hello all I have not experience in this kind of issues... My problem is that I create a little application in VB that uses a DataBase (SQL-Server) and each time that I add a dataset or a SqlDataSource the application becomes slower... I don't know how can I optimize this website. Please, cou...more >>

Hey I've bought the book "ASP.NET 2.0 website programming, Problem, Design, Solution" and some of its code examples is this code: protected static string ConvertNullToEmptyString(string input) { return (input == null ? "" : input); } I have problem understanding this line: (input ==...more >>

I use GridView in a Web Form. When the data is empty, it only who the EmptyDataText or EmptyDataTempate, and all the field is invisible How can I show all the field when the data is empty? ...more >>

Hi , I am displaying 5 photos of a user(getting image path from database) and binding them to hyperlink control and adding that Hyperlink control to Datalist container in code behind file. Now I want to change last 2 photos of user with another image while loading the page. My situati...more >>

hi , When i tried to send mails by using smtp authentication it was giving an exception "Could not access 'CDO.Message' object.". can any body help me. string smtpServer = "smtp.domain.com"; string userName = "userid"; string password = "password"; int cdoBasic = 1; int cdoSendU...more >>