I am trying to implement Load Balancing but facing some problems: A Web farm usually consists of 2 or more computers, orchestrated by some form of load balancing. Consider my scenario: 1. I have an Intranet site say www.intranet.com 2. I arrive at a load balancing machine 3. This machine re...more >>

Am a newbie to ASP.NET and have jumped right into 2.0. I have a static menu (using the menu control) for just 3 pages on a 20 page website. I would like to put all the code in one place, as it will make maintenance very easy. In the good old ASP days I could use <#include ...> What is th...more >>

how to copy session e.g dim m_ds as dataset = Session("d") but when i change the m_ds, it also change the session...more >>

When I add a connection string by wizard in a WebApp , the wizard add the connection string to web.config like <add name="MyDataBase" connectionString="Data Source=.\SQLEXPRESS;Initial Catalog=xxxx;..... But if I add the same connection string by wizard in a class library project, the ...more >>

Hi All, I want to create a webcontrol which will generate a bar (bar chart). I have done some graphics code in my ASPX page and it's working fine, but how do i create a Custom Control or User Control for same (custom control is prefarable). Below is my code of ASPX page which is working fin...more >>

I need to display images in a SQL database using a gridview I search some examples, what they did is very simple add an image field, then set the folowing properties <asp:imagefield dataimageurlfield="LastName" dataimageurlformatstring="~\Images\{0}.jpg" alte...more >>

Hello, I have the following setup: The page that contains the form with file upolad HTML control resides on another server that doesn't have ASP.NET available. It may well be just static HTML. I need to program the "receiving side" of the upload. Preferrably, I'd be happy with soultio...more >>

Hi all, I am using following code to update database; I am running two instances of the application and updating the same record. However, DBConcurrencyException doesn't fire. Is there something I am missing in the code? DataRow[] _err = null; DataSet dsGetChanges = _nodeDataSet.GetChanges(...more >>

I've tried to set the SELECT command in a SqlDataSource control for a FormView to read the aspnet_Users table but get an exception saying I don't have permission. How can I resolve this? -- Dan Sikorsky, MSCS BSCE BAB ...more >>

I must be missing somthing .... The new form designer in VS 2005 allows for drag and drop of compnents from the data sources tab. With this functionality one can almost 'magicly' create standard windows form CRUD apps from Object or Web Service Binding just by dranging and droping the 'Details...more >>

Anybody knows if there is a place where I can download website templates done using Visual Studio 2005? I ma not looking for anything fancy just your general layout such as navigation bar header space and a place to write content. The reason for this is because I would like to have a websi...more >>

i have a grid view, with two hyperlink fields declared decratively, and few bound fields added dynamically in my code i have enabled the sorting and paging for the gridview, and also declared sort expression programmatically. but when i rendered the grid view and click the column header, the gi...more >>

can anybody tell me what do i have to do to start working with ASP.NET .... .NET framework 2.0 ... some developing tools...? which is best and why...? (i curently work with ASP through dreamweaver) Thanks!...more >>

I'm using ASP.NET 2.0 and IIS 6 I've got a business with 2 sites requiring separate intranet info. Currently, I have 2 separate intranet sites set up in IIS. This leads to having to double up on shared pages which I'd rather not have. Both sites use a master page and a Menu control bound to a ...more >>

Hi, I am trying to extract a date from a database, and display it in yyyy-mm-dd hh:mm:ss format on an ASP.NET webpage. I have been using the CStr function to turn this into text, but this doesn't give me enough control to get the right date format. Can anyone suggest a solution? Thanks...more >>

What is the difference between code that exists inside the <html><script runat="server" > tag and code that exists in a code-behind file? Thanks, Keith ...more >>

Using Visual Studio.net 2003 to create an aspx web form I am having a problem selecting an item from DropDownListBox with id= ListBoxStudies. I can see the items from the bound database table but when I click on an item the selected item stays at itemindex 0. What must I do to have the itemi...more >>

Hi all I have a collection of Invoices that I bind to a datagrid. Some of these invoices have been processed and you can tell this via a property in the invoice class called DateProcessed. If an invoice has been processed I do not want a button to display for this invoice but all other ...more >>

Hi there guys! I'm trying to customize the webparts borders and I'm heading some trouble. I need to make a frame for the webpart (header-footer and border) with some images , so I'd need to create like a table arround the webpart. The best would be to customize the chrome, but I don't thin...more >>

Hi all, In my ASP.NET application, I am trying to detect in a javascript function, which is triggered by the event onbeforeunload, that if the window is getting closed beacuse its a post back or if the user has clicked the X button of the browser. Is there a way in javascript to know that a ...more >>

In some cases I would like to allow a user to select a row from a GridView to update in another page using a DetailsView form (passing the key in QueryString). In other cases I would like to use the same DetailsView form to allow general edit/insert/delete functions with Paging=true. I ...more >>

Are there any good tutorials or examples of how to use AJAX with ASP.NET? thanks! ...more >>

Hello All, Can anyone please suggest me a good unit testing tool. I have seen NUnit but not sure on how I can use it to test my methods which involve session variables, viewstate variables, textbox values. I understand that NUnit is more suitable for OO methods which take set of paramete...more >>

I have a question about a problem I am having with attempting to port some old ASP code to ASP.NET. We have a dll out there which we downloaded which creates GUIDs for session management. In ASP, the function looks like this: Function getGuid() Dim sessionDUID ...more >>

I have a question about a problem I am having with attempting to port some old ASP code to ASP.NET. We have a dll out there which we downloaded which creates GUIDs for session management. In ASP, the function looks like this: Function getGuid() Dim sessionDUID ...more >>

I need help converting a ASP page to ASP.NET. I have a ASP page that is in the form of: <% Sub Start() Call DrawPage1() Call DrawPage2() End Sub Sub DrawPage1() %> <!-- Full HTML code for a independent page 1 --> <% End Sub Sub DrawPage2() %> <!-- Full HTML code for a independent...more >>

Hi there, in our e-commerce site, we have a page base class that implements several new properties , as you can imagine, the property will be set to different value on each page which inherits from the base. Of cause you can easily access these properties thru code-behind or <script runat=ser...more >>

Hi all, Env : ASP.NET 2 (& VB.NET) How in heck can I rebind a DropDownlist that is contained in an Insert Template in a Formview control. I want to have the dropdown list requery the datasource each time the user has selected from it, as the underlying SQL selects a list of rows that h...more >>

I've never done this before. I need to set up a business layer tier in a 3-tier system. How is this done? Is there any resources I can access to help me? Thanks so much for your help. Steve ...more >>

We have a debate here. We are receiving a CSV file specified by the user and need to validate the contents, writing the "good" records to the database and displaying the "bad" records to the user. One developer wants to loop through the CSV file right on the web layer (ASPX) and then only pa...more >>

Hi, I want to assign two data values in the CommandArgument property of the LinkButton object. This works CommandArgument='<%#DataBinder.Eval(Container.DataItem, "Arg1")%>' but this does not work CommandArgument='<%#DataBinder.Eval(Container.DataItem, "Arg1")%>,<%#DataBinder.Eval(Contai...more >>

Hello, This is really an odd and weird problem that I am having. I have a basic page with drop downs and using the fieldvalidator and validatorsummary to ensure that the user selects an item from the list. I have a button which has an event (click) that does some operations. The event nev...more >>

I make a page that looks good in IE/Avant, but the font size is really big in FireFox and the textboxes don't stay at their specified widths. Is there a way to get these 3 main browsers to display consistently by still using the web controls? (this is VS 2003)ASP.NET question. TIA, Sha...more >>

Hello Guys, I have a bit of a problem, I created a Dll called SecureQueryStringDll.dll and I had the dll put bin folder of my application first and it did not work so I then put it in the bin folder of c:\inetpub\wwwroot and it still does not work. Here is the error I get from it: temporary...more >>

Hi, As I understand ASP.NET 2.0 caches large POSTs to disk when the POST is greater than 256 bytes by default. The default location for the cached data on my machine is following: C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\<appName>\<tempFolder>\<tempFolder>\uploa...more >>

I just started a new asp.net job and all the current source is C#. I'm experenced with vb.net and have been able to convert C# code when needed. The problem I'm having is that it looks like the previous developer kept all the source code on the production web server and made changes when need...more >>

hi , all In ASP2.0 , the date object always showing like "3/27/2006 12:00:00 AM" How to remove "12:00:00 AM" and only make it shows "3/27/2006" ? Thanks very much Henry ...more >>

Hi, I've uploaded my website to the hosting, and every time that join to the website the images are downloaded again. Is problem of machine.config or top level web.config ?? How can i solve this? Thanks!! =) ...more >>

I'm trying to setup a sub that would assign the properties of a webcontrol based on data in a table. I've setup a routine which looks like this: Private Sub SetObjectProperty(ByRef obj As Object, _ ByValPropertyName As String, _ ByVal PropertyValue As String) ...more >>

Hi folks, I must be missing something here. I have an ASP page that I create a Session variable in as follows. Session ("name")="Joe" In an ASP.NET page in the same project and the same session, I call the Session variable as follows: Dim str As String str = Session("name") When...more >>

Hello Guys, I have a bit of a problem, I created a Dll called SecureQueryStringDll.dll and I had the dll put bin folder of my application first and it did not work so I then put it in the bin folder of c:\inetpub\wwwroot and it still does not work. Here is the error I get from it: tempor...more >>

How can I perform in-memory sql joins on dataset's, and have the result in (perhaps) a DataTable? Thanks ...more >>

Hi, has anyone converted code from VS 2005 to VS 2003? Thanks, Stephen ...more >>

Hello All, I am trying to add an assembly to GAC but having difficult time figuring out the concept of GAC. This is what I am trying to do.... 1. Installed NUnit framework whose DLL ("nunit.framework.dll") I need to add to the GAC so that I can use it from multiple applications. 2. Used ...more >>

When I drop a SqlConnection on the web form designer, it's created in InitializeComponent. I'd like to use this connection in my Page_Load method, but I don't see anywhere that it's opened. Do I need to open it myself? If so, should I close it also, or will I be interfering with databound con...more >>

I want the little "*" error message that displays next to a text box of my validation to display when the page loads NOT on the button click so that the user knows what fields are required BEFORE the try to save the form.....Im sure this is obvious but I could not find the answer any help greatl...more >>

i have a textbox in a template column in a datagrid, it displays the initial value of the row, but when i change it remains with the original value (it doesnt get the new value..) i fill the CartTable programmatically with rows from a database binded datagrid.. i cant figure out what is wroooon...more >>

Hi, I've recently upgraded a .Net 1.1 solution to .Net 2.0, everything seems to work ok unless I do a re-compile. Whenever I do a re-compile the first time I access the web page the session doesn't appear to be created, i.e. the session start event isnt' fired in the global.ascx.cs. My app ...more >>

Hello, See part of the code shown below. I would like to know, without hooking to an event called ContentRepeater_ItemDataBound, is it possible to evaluate this databinding expression and based on the condition, create a LinkButton immediately follows this data and before this <TD> ends? ...more >>

Anyone see this error that appears to have cropped up with the RTM version of .NET: BASE EXCEPTION:: System.ArgumentException: Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="t...more >>

I'm new at using Regex, and I'm using VB.NET. I can't seem to get this to work. I'm replacing matched items in a text file. The format is v (upper or lower) and then 4-5 integers. I'm trying (many variations of): 'Replace version newText = Regex.Replace(contents, "(\bv)([0-9]{4,5})", VersionN...more >>

I'm a little bit confused as what is the bes way to achieve the following: I have 2 database tables, table 1 product en table 2 image. For every product record there can be 0-1 or more image records. My question: What is the best way to display the product record with the respective image r...more >>

Hi, I have a default.aspx which allows the user to choose between module Admin and module B. When the user clicks either one, he will be redirected to a FormsAuthentication login page. The problem I have is that currently, users of one module are able to access the other since I have only 1...more >>

Hi, I'm accessing a FoxPro database via ole db using Reporting Services Data Extensions and ths works fine on my local report server. However, when I deploy the report to the live report server I'm getting the error 'Invalid path or file name' The FoxPro database is on a separate server ...more >>

I have set up a GridView control bound to an SQLDataSource control. Depending on which option a user selects in a DropDownList Each datasource is a sethe select command retrieves a list of key/value pairs from a spefied table. I am using a select query in the form of SELECT PrimaryKey AS...more >>

Hi. I want to implement a right click context menu using Atlas for a web app. The page will list some usernames. Right clicking on a username needs to send the user name to a webservice, which then returns a list of available options for that user to be displayed in the right click menu....more >>

hi, I got an error when the dataset returns a null value. eg. string a; a = (string)ds.Tables[0].Rows[0][2]; How do I handle this error ? Thanks. regards, andrew ...more >>

Dear all, I have 2 tables from which I create a simple data relation: Table1 has a field name ID which is retrive from a database Table2 has fields ID and Name which is retrived from database I have build a datarelation from Table 1 to Table 2 on field ID, so far so good Base on that my d...more >>

Very often my VS2005 pro crashes after a debug. I run ASP.NET debug, and all works well. Then I stop it, and all it's also ok. Then, when I try to edit some code, it crashes and I need to kill it, restart, reload project, etc. it seems that the problem is with vb compiler integration, but I'...more >>

Hi I'm trying to get an instance of UserLists to persist after it's been used by the GridView. I understand from the documentation that The OnObjectCreated event allows access to the instance. I have a TotalUsers property which is initiated when the GetUsers method is called, however it i...more >>

I have a base page class A which inherits System.Web.UI.Page class then a aspx page B inherits class A and have a master page C. There is a property D (a string variable) in the master page C. How can I access the property D from the base page class A? PS: I know how to use reflection to acc...more >>

What methods can export excel file from stored procedure with parameters which input from web form? ...more >>

How to convert VB.Net code to ASP.Net ? Is it possible or is there any tool for that ? Best Regards, Luqman ...more >>

Hello, I am settings hidden field value from the DayRender event hadler of the asp.net calendar control, when i try to read the value of hidden field from javascript, the value is empty string. If i do the same (setting hidden field value) from Page_Load(), then the same is reflected in t...more >>