Hello, Does anyone knows how to set the visible property of an asp:Imagebutton to true with javascript I've the following declared : <asp:ImageButton Id="tstImage" runat="server" visible="False" /> I tried already document.GetElementById('tstImage').visible='true'; but without succ...more >>

Hello, I've an asp:Imagebutton on my form with the visible property set to false <asp:Imagebutton ID="tstImage" runat=Server visible=False> How can I set the visible propery to true using a javascript ? I tried something like document.GetElementById('ImgTest').visible='true'; but without ...more >>

Hi - I'm creating a web control library (using VB.NET), and I'm trying to add a modified asp:dropdownlist control to it. How do I add asp:ListItems to the dropdownlist (within the web control library control)? My code follows below (and it doesn't work). When I add the control to an asp...more >>

I am working with the enterprise blocks - the data part for know. And i getting this error when trying to access Northwind on my local sql server. Can someone help me out on this one? i have googled unsuccessfully for any ideas on how to fix this. The source was not found, but some or all e...more >>

How can I dynamicly create a datagrid? (first I read a datatable from a database, see how many atributes does it have (n) and then build a datagrid with n columns...)??? (c#, asp.net) ...more >>

Hi all, I would like to know Will i be able to call a javascript function from the Session_End Event Handler, Or is there any better way of doing it. Thanks in Advance thomson ...more >>

Hi, Is it possible to declare a variable dynamically? Anwar -- Software engineer Petroleum Development Oman...more >>

Hello, I have a UserControl, added to a panel like this (in the Page_Load of default.aspx). Code : Control login = LoadControl("controls/Login.ascx"); panel1.Controls.Add(login); No problem. In the codebehind of this UserControl, I have a public method. but in the Page_Load I can...more >>

This may sound like a simple question but in VB.NET you can declare a Collection as public MyCollection As Collection How could you write the same declaration in C#?...more >>

I would love to include images for the dropdown lists in my asp.net app. I found one at www.omnipotent-software.com Unfortunately it does not work properly in Mozilla. I scowered the internet trying find one but did not. Does anyone know of any? Thanks, Scott ...more >>

Hi I need to execute a line of code when debugging and another when in release without having to manually comment and uncomment. Can anyone tell me the switch syntax in c# in visual studio? thanls ...more >>

I've been working on an asp.net application and everything's been great. But suddenly, whether I'm tyring to use a database on my own machine, or on my server, I'm getting a timeout when trying to open a database connection. The error seems to happen regardless of what ASP.NET app I'm working ...more >>

like asd = Open.File("asdsad.aspx?sunb="+reqid); asd.getoutput(); ...more >>

In classic ASP I used to have a file called settings.asp included on every page of my web, it consisted of a number of different settings unique to this application, among them the database path etc. I used to set some of the values contidional to which server executed the script (see listing be...more >>

I have this query (qryZipLike) in an MDB file. It accesses a function geo_distance() and requires input parms for the three parameters. SELECT tblPrimary.Zip, tblPrimary.State, tblPrimary.City, geo_distance([@LAT1],[@LON1],tblPrimary.Lat,tblPrimary.Lon) AS dist1 FROM tblPrimary WHERE Zip L...more >>

I have been used visulal stduio .net 2003 . What should I do to change Asp 1.0 to Asp 2.0. And what should I do with the project based on asp1.0 ...more >>

Hi. If I set my linkbutton's enabled property to false then it automatically turns grey. Is it possible to get it in black even though it's not enabled? Thanks, Shawn ...more >>

I've created my own error handling object. and I wrtie tot eh error handler if the error is caught. Howver, I have one error it doesn't llok like I can catch.... In my form, if someone enters the < or > sign in a text box field, I get a long ASP.Net error page... not pretty. So how do I capt...more >>

Hi, In a repeater control I had something like this: <a id="lnk_Lookup" href='lookup.aspx?userid=<%#DataBinder.Eval(Container, "DataItem.UserId")%>'>go</a> This works fine and the href is generated correctly. However, I also want to process the control in the codebehind file, so I added...more >>

I'm A client server developer by trade and i'm moving my skill set slowly over to ASP.NET. One question, I have a class, that i populate on a postback... I want to keep this data persistant though other multiple postbacks. What is the desired mechanism to use this. I'm using the followi...more >>

Hi, I have a problem of displaying data bound by a datalist control. In my table, I have a field Start_date which has Short Date data type. I tried to update this field by Current Date. After that, I display End_Date on the DataList control. The output looks like 3/18/2005 12:00:00 AM . ...more >>

I want to manage session in a class's property like: public class HealthSession { private int SelClassID, SelGradeID; public int ClassID_Sel { get {return Session["ClassID_Sel"];} set {Session["ClassID_Sel"]=value;} } What is session's namespace? ...more >>

The development team is having a problem when they open an asp page edit the code and then try to save it they receive an error. "The process cannot access the file because it is being used by another process." If I reboot the server it breaks the lock. If I reboot the client it break...more >>

I'm interested in allowing users of a CMS system to be able to embed custom tags/calls to user controls in the content areas of their articles. This would allow folks to call advanced bits of functionality and feed the controls parameters using the CMS. In classic ASP, you could parse out the ...more >>

Hi there, I've created an application which is using Forms-based authentification. My Login-Button event handler looks somewhat like this: // validate the input, etc... // sUserName holds now the users name FormsAuthenticationTicket ticket = new FormsAuthenticationTicket( 1, sUserName...more >>

Everytime when I redirect from one particular page to another, it will raise 4 exceptions, before Page_Load routine runs. I can't figure out a way to find out what are the exceptions. When I use Application Center Test, number of Http errors rises with the number of requests, so I suspect th...more >>

I have a control that I am using from Metabuilders that requires you to use: <%@ Page Inherits="MetaBuilders.WebControls.DialogPage" %> How do I inherit my code-behind page or another object that may require an inherit also? Thanks, Tom ...more >>

Hello, I am editing my table through DataGrid, two questions: 1. when I click edit it enable to edit all the fields on the screen, can I disable a few of them for editing. 2. Is it possible to format date and number in the datagrid? Thanks, Jim. ...more >>

This code runs fine on my local machine but fails on the webhost server. Any ideas why ??? Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error: Line 73: Line 74: ' Store URL Referrer to return to portal Lin...more >>

I am trying to create a page with a header, footer, a document body, and a left navigation plain.. I want the page to fill by default to the browsers max size if the content of the documentbody do not fill it already instead of having blank space at the bottom of the page below the footer. The...more >>

I have a collection of objects that I have bound to a DataList. My collection is based on CollecionBase. In the ItemTemplate for my DataList I have this: <code> <%#Container.DataItem("FileName")%> </code> FileName is a property of my class. This generates an error: DataListItem.DataIt...more >>

hi, can anyone give me an example of how to work with the windows dialer api in a web service thanks in advance ...more >>

Weird thing: Got an aspx page with a button and an associated code in VB.net. On my testing server the page works fine. On the old hosters server the page worked fine too. But now, at the new hoster it does not. When I click on the submit button: nothing happens. The only thing that works ...more >>

I have a requirement to validate some html at approx the ie6 level. The validation cant take place use a web control, but must be done in an event such as post back. Does anyone know of ideally an existing component I can sent the html to and get back at a minimum a boolean to specify if the...more >>

Hi Guys, I have a table with country field for each user. Now when i go into modify mode, i load the dropdown list with all the countries from the datbase. I need to preselect the index for the appropriate country assigned for that user. Lets say if i set Tom for Canada, and when i bring his r...more >>

I have asp.net web site in which is using windows authentification, and I want that the User who will not authorized would be redirected to other page ...more >>

I wonder if it is possible to encrypt images(like .tiff or .gif files) in asp.net? How? Any exampel code or url will be appreciated. Thanks...more >>

It's easy to databind a listbox or dropdownlist if all you want is to fill it with a list of values. There are plenty of examples in the online help. Unfortunately, real world applications demand more. Usually you would also like to bind the SelectedValue to something else. Common scenario...more >>

Hi all.. We are designing an ASP.NET application and have created a solution to contain the various modules, like this... MyApplication +Common +Project1 +Project2 +Project3 The folder structure on the web server is setup the same for the compiled files. Each module is assigned to ...more >>

Hello, I have a problem in finding the status of a panel (visible or not). I have a dropdownlist that associates with a panel in which textbox are embeded in the panel. A client side VBScript is run when the value of the dropdown change. And here is the script if document.all(dropdown).v...more >>

I am using Andy Smiths Dialog windows, which work really well. My only problem is I am trying to make the Dialogs Modal. Someone mentioned putting <base target="_self"> into the head section of the modal window to make it work. I tried putting it both pages just to see if it would work a...more >>

I define a static variable, like myClass.aString. If one user in a session update the value of myClass.aString. Can the other users in other sessions can see this change? ...more >>

Hello, I have SqlDataAdapter1 and DataSet11 in my asp.net application and I am using then in many function to select and update the table. Is there any way to restrict the query of SqlDataAdapter1 with the username? I have a username field in the table and I need to modify do something like ...more >>

Building a web set up project fails when there are two user control with same names under two different folders. Did anyone have the same issue before? ...more >>

I have a dataset with a datatable, which data is select from to table like SELECT Categories.CategoryID, Categories.CategoryName, Products.ProductID, Products.ProductName FROM Categories INNER JOIN Products ON Categories....more >>

I have 4 different databases that I'm having to pull data from in order to populate a datagrid. I am able to do this, but my problem is that because I'm pulling the data from 4 different databases, the data is ordered alphabetically but is grouped by database. Here is an example of what is ha...more >>

I've been trying to locate some property or method that will allow programmatic access to the "loginUrl" attribute in the web.config file in the <system.web> -> <authentication> element when the config file is set up for Forms Authentication. I know certain system.web settings get mapped to ...more >>

This is driving me crazy! I may have screwed up a setting! When changing between Design view and HTML view, Visual Studio completely screws up the formatting of the HTML. It gets even wackier when the html contains UserControls. I have tried turning off all formatting setting, but have h...more >>

Hi, Could someone tell how to force a mouse event using either jscript or javascript? I simply want to allow users to scroll the page after postbacks using the scroll button on either a mouse or the keyboard without them having to click the page first. Thx, Roshawn...more >>

Hi, My plan is to use Try Catch statements to catch an error and then email it to myself. I send the user to a custom error page and I would like to email myself the asp.net error. I thought that I would just call a function to send a mail in the Catch area of the Try Catch statement but ...more >>

I use VS 2003. In VS 2003 design (page, table) is very difficult. FrontPage is useful to design tables but FrontPage doesn't recognize asp.net panel object. I wonder whether VS 2005 is more easy to design. -- ______________________________ Åženol Akbulak...more >>

Hi, this is a follow-up to an earlier question but I really haven't found a definitive answer in my search If I have a Base and Derived webform, I've found that the dervived Page_Load event fires first, then the base Page_Load. Is the only technique to change this sequence is to override t...more >>

I am attempting to pass data between two asp.net web forms pages. I have found the method to do this on the msdn site here: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconPassingServerControlValuesBetweenPages.asp After attempting to do this myself, I kept ...more >>

Hi, I have a form page to print on my web application(asp.net). I want to show the page in WORD. I use that code in asp.net Page_Load event: Response.Clear(); Response.ContentType = "application/ms-word"; Response.AddHeader("Content-Disposition", "attachment;filename=word.doc"); When I op...more >>

I'm not very familiar with the web config file. I would like to use the timeout item in the session state for our connection string, but not use the stateconnection string and sqlconnectionstring in the sessionstate section. I have our connection string information in the appsettings section...more >>

Hello: USing the code behind model, i do not understand how to do a conditinal space in the aspx page. For example: I have two tables, under condition 1 I want table 1 to show and under condition 2 I want table 2 to show. Place holders wont work for me. In the old asp environment, this was...more >>

Hi All, I am looking for the asp.net equiv' to ASP include files. Something which will build common, much used parts of a page, such as header, footer etc... We have 3-4 developers, so ideally the code/html needs to come from a common place in the first instance. Any suggestions to poin...more >>

I have a question about how System.Web.HttpPostedFile manages mime types using property ContentType in Windows. When I upload a known "text/plain" file with no extension the property doesnt recognizes the type, showing a blank string or some weird characters. But if I put an extension like .pdf o...more >>

How do I point a sub-domain to a sub-directory or sub-web of my site using asp.net? I know normally domains are setup to point to the root directory of the web site. However, how can I detect which URL a person is browsing to on my site with ("such as leon.mydomain.com"), and redirect them...more >>

How do i identify the page that fired a method? e.g. page1.html ----------- <Head> <script> document.write(myfun()); </script> Assume that page1.html is in a frame (or iframe) in page.aspx. page.aspx contains an include file say, myinc.js. myfun() is inside myinc.js. How do i come ...more >>

I'm trying to add NULL to a column in the database but the sql below isn't updating? if (name=="") { strCmd += "UPDATE"; strCmd += " EMPLOYEEDETAILS SET "; strCmd+= "name='"+null+"',designation='"+desg+"',sex='"+sex+"' ,age="+age+" , salary="+salary+" where id="+id; } *** Sen...more >>

Hi, I'm trying to set one of the columns in the datareader to a variable so that I can use it in a different function. When I do that then all the other values in the data reader don't show up. So I'm doing this: If (dataReader.Read = True) Then LessonID=dataReader("LessonID") End ...more >>

I found a solution that i'm thinking quiet good :p : Every time i need to access to an Application object, i use a wrapper class Then i have something like this: WSApplication.Objects.TempZone In the Application_Start event (global.asax), I initialise a static member of my wrapper class:...more >>

I’m sorry to disturb you but I have a problem on .NET development, and I’m need some help to resolve it if it’s possible. I have an aspx page with src property (no dll for my web application, all pages are JIT compiled on request), and I want link a assembly with the “src” at...more >>

I started a new solution using enterprise template project, added WebUI project to that. Now I want to add web user control (*.ascx) to this project. But i'm not getting web user control in the "Add New Item" pane. Do Enterprise Template WebUI don't allow to create user controls. If it ...more >>

I have this checkbox list and a datagrid. I would like to generate a row with textboxes for every item that is checked in my checkboxlist What's the best way to do it? in javascript is (quite) easy but in C#?...more >>

hi I m facing the following problem often : In a web page the user can click on 2 buttons "button1" and "button2". If the user clicked on button1 then I have to validate part of the form (some controls musn't be validated), and if the user clicked on button2 then I have to validate the other ...more >>

After my laptop crapped out, I had to resort to my desktop as a backup. The problems I have experienced are - the computer powers off and restarts without warning. It powers off. Not a blue screen of death, but it powers off - When it restarts, (this does not necessarily follow the previous...more >>

Hi, here is what I'm trying to do: I have a virtual directory called "WebApp". Under this one I've got 2 physical directories called "Customers" and "Admins". I implemented Forms-based authentication. If the logon credentials are ok, I transfer the user to either the "Customers" or the "...more >>

Hi all, I have a situation where I'm using a modal dialog to merely show the user some data. Once the user has finished, there is only one button to click to return to the previous (parent) page but a postback is done. The modal dialog is invoked from a linkbutton on the parent. How can ...more >>

My asp.net app is working perfectly in WinXP Pro. However when I moved it to IIS running on win2003 a lot of functionality just don't work. I don't even get any error just no response or queries not working properly. Is there anything else I need to do when running asp.net app under win2003? ...more >>