Dear All, First of all, i have a database and i have to select the data in a table. In the web form, i have a checkbox in each rows. So that the use can select the row. initally, i am thinking to use the dataset and databind the datagrid to show the form. but i've figured out that, the...more >>

Before writing a code to send a mail using asp.net, what steps have to be taken Like do some configuration ? coz i'm new to .Net your help will be appreciated. Daniel....more >>

I am trying to set the text property of one of my labels in a data grid to the value of a text box in the same datagrid. Please help! Mervin Williams ...more >>

Hi all, I'm trying to put together some notes on how ASP.Net works for myself and a presentation I'm doing. One thing I can't seem to figure out is what happens at the entry point of an ASP.Net request. What is the transition from the unmanaged ISAPI code (in IIS 6) that runs in the default Ap...more >>

hello, i have a dataset and repeater control. i can manage to display the items in 1 column by doing something like: <headertemplate> <table> </headertemplate> <itemtemplate> <tr> <td>[item goes here]</td> </tr> </itemtemplate> <footertemplate> </table> <...more >>

I want to insert a message with an override if a condition exists but the overrides does not kick in. How do I invoke the overrides to display a message from my class code? ============Overrides code================ Protected Overrides Sub Render(writer As HtmlTextWriter) if Application...more >>

hiye. i've went through some technical article from http://support.microsoft.com and i didnt find anything i could use i;m using access as my db and asp.net 1.1 as my language. winxp pro. evertime i want to insert something into the db, i get this error Operation must use an updateable query.. t...more >>

Hy! I have htmleditor (from the microsoft's samples page) embeded into my asp.net page. Editor generates some html code inside <div id="oDiv"></div> tags. And what I would like to do is return oDiv.InnerHtml to my "codebehind" (C#) where I would do additional tasks on it. If I do postback th...more >>

I am new to ASP.NET and am trying to convert an old ASP project to a C# web application. I have a page with a very long form on. On part of the form has a series of comboboxes that a populated with data from a database. In my old ASP project I wrote the HTML doing something like this <% for...more >>

Using VB.NET. Trying to parse the incoming URI for an HTTP request. Appears that supposed to use "GetQueryString", "GetRawUrl", etc. However, can find no examples of how this is to work. Can anyone provide a code fragment. Or, is this an incorrect approach. Thanks. ...more >>

I have my user control and inside that control I have textBox: <asp:TextBox Runat=server AutoPostBack=True ID=txtListBox onkeydown="filter()"></asp:TextBox> <script language="vbscript"> sub filter msgbox document.getElementById("txtListBox").value end sub </script> The id...more >>

Hi, I have a webform with various asp controls on it such as textboxes and dropdownlists. I'm fairly new to asp.net coming from VB6 and am wondering when it's best to use client side events and when it's best to use server side events. For example, if a textbox is to contain a date I want t...more >>

Forgive my ignorance but how do you get your applicaiton written in VS from your localhost to your actual web site? Is there a way of doing this from within VS or do you have to use some sort of FTP application? I'm supposing that when you create an applicaiton in VS you do it in LocalHost fi...more >>

I wrote an ASP.net application in VB.net. It works fine on my XP machine. However, it cannot works in my NT4.0+IIS4 machine. It works fine with ASP program . I installed .net framework 1.1 on that machine. When I browse the web site,I can read my VB.net code in my browser. Can you tell me why?...more >>

Im confused I want an .aspx page to have a table with my data in it. At first I wrote FillTablew(); in my Page_Load even in the Code Behind file. I had it loop the db etc. and use Response.Write of a bunch of strings. This works great as long as all I want is the results of those Response.Writes ...more >>

I've spent the last 3 hours reading various MSDN articles, other site articles and news group postings and was wondering what the best approach to my situation would be since I'm unable to come up with the best approach. What's Needed........ 1. Various background SQL inserts that don't interr...more >>

Hello, Using the MailMessage class (or any other ASP.NET SMTP classes), I would like to programmatically request a read receipt. Is this possible? I have found an article that talked about a ReadReceipt property for CDO 1.2.1, but I have not been able to find a ASP.NET or MailMessage articl...more >>

Hi there, Should I be concerned with a malicious user spoofing a postback by = changing the values for a control like the dropdownlist found in the = rendered <option> tags. I would hope asp.net would bomb on them if the = value they posted was never a listitem in the control. Here's anoth...more >>

The StatusCode is returned as an HttpWebResponse Member Name such as OK, Moved, NotFound and so on. Does anybody know how to get an actual HTTP return code? -- <%= Clinton Gallagher A/E/C Consulting, Web Design, e-Commerce Software Development Wauwatosa, Milwaukee County...more >>

If I use Cache.Insert method in my user control, I get error message. If I use HttpContext.Current.Cache.Insert then I don't get error message, but the cache is always nothing. How can I use cache in my user control? Thank you for your answer, Simon ...more >>

Hi! I've been experimenting with server side custom validation and I can't make it work. I have a text box which I'd like to validate by sending the content to a web service which will check it and return 0 or 1. I've added a custom validator control in VS .Net 2003. The code looks like thi...more >>

I have a textbox with TextMode set to MultiLine. I also have the MaxLength set to 255. This maxlength value seems to get ignored as the user can enter unlimited characters. Does the multiline textbox not support maxlength? How can I make the work? TIA ...more >>

I am having a problem running the debugger on VS.Net 2003. In researching this issue, It have been suggested that I "Enable HTTP Keep Alives". Where exactly would I find this setting so that I can eliminate this as a possible reason that I am not able to run the debugger Your assistance is great...more >>

not sure how to put this into words - but here goes, ive developed a webapp for use on the intranet - it uses frames - top left and main the app is working great for me and other admins, but for other users - any form data that is inputted - is only shown after refreshing the main frame - the d...more >>

Hi Guys, Yesterday i was playing around with some code where I would read an xml file into a dataset... '*********************************** Dim ds as dataset ds.readxml("test.xml") '*********************************** with the data in the dataset, i want to be able to select all rows...more >>

Hi: I'm working on an on line catalog. I'm far from this point, but just thinking ahead. How do sites estimate the shipping charges? Thanks, Charlie ...more >>

I Have a C# asp app that returns an image to the browser (I'm using IE6) as follows: Response.ContentType="image/jpeg"; bmp.Save(Response.OutputStream,System.Drawing.Imaging.ImageFormat.Jpeg); However, when I right click on the resulting image in the browser window to "Save Picture As..." i...more >>

Hi, Is there a way to prevent multiple click on a button ? - Change button text to something like "Processing..." and Disable the button or just disable de button and after that submit the form.. Thank you. ...more >>

Hi In asp.net/vb.net is there a trigger for a dropdown list when focus moves to next control. I want other fields to be filled after a user selects a account reference and tabs to the next field Thanks in advance --- Outgoing mail is certified Virus Free, so am I. Checked by AVG ...more >>

Hi. Is there any article that talks about the purpose of each of the Frontpage extensions folders (_vti_cnf, _vti_pvt, _vti_script, and _vti_txt)? When I create a new ASP.NET application, these folders are automatically created. Thanks, Robert Scheer...more >>

I am having trouble implementing transactions.. Here's my code.. ----- Dim myConnection As OleDbConnection Dim myCommand As OleDbCommand Dim myReader As OleDbDataReader Dim transaction As OleDbTransaction myConnection = New OleDbConnection(connStr) myConnection.Open() transaction = m...more >>

We have a intranet site that allows one of our departments to search a set of pdfs and then look at them. Only problem is that only they and us geeks should be allowed to see the pdfs. We have it locked down except for when a person directly types in the url to a pdf. Currently, the PDFs are i...more >>

Hi, Is there a way to save a page/some data(read variables) as a .pdf files without using 3rd party components? Any Sample code would be really helpful. Thanks in Advance. Regards Manoj Das ...more >>

Hi, During development I had a search within the website implemented thru indexing service using its catalog. But now it turns out that the hosting company doesn't use indexing service - Is there a easy way to implement search within a website in ASP.NET and if possible some sample code Thank...more >>

Hi: I have chosen to use Jet 4.0 db engine on an e-commerce site because client wants to save on hosting costs and doesn't expect a lot of traffic. In the past I have always used SQL Server and FoxPro without problems. What are the size and concurrency limits on Jet dB engine? When is it ti...more >>

All, I have VS.NET 2003 running on a Win2K machine with IIS. When I try to create a new web project gives me a http 1.1/500 error and the event log shows. "Failed to execute request because the App-Domain could not be created. Error: 0x8013150a" I tried the aspnet_regiis -1 from the VS20...more >>

I have a form that contains two hidden values, among other controls. I = was wondering, if I change these values in server script and immediately = do a server.transfer, do these values get updated before the page is = changed? I want to say that because the values are changed but the page is ...more >>

How to eliminate the treeview that is built automacaly when I load a Crystal Report in a ASP.NET page ? I tried to find some property in the report object but with no sucess Tks Lucas Ponzo ...more >>

Hi again, When you fill a dataset with 3 seperate queries does asp .net automatically put the tables into the datatables collection for you for later reference or do I have to declare a new datatable for each table I plan on adding into my datarelation? Cheers, Joe ...more >>

i am trying to connect to SQL 7.0 using the following connection string myConnectString = "Initial Catalog=[SmartLan 2.0 ED];Data Source=localhost;Integrated Security=SSPI;" i always the get the following error message Cannot open database requested in login '[SmartLan 2.0 ED]'. Login fails...more >>

Does anyone know what kind of overhead is caused by enabling tracing in an ASP.NET 1.1 app? On my production servers I'd like to leave it enabled so I can view trace.axd to get a feel for the activity and problems on my site, I'd leave pageOutput="false". But I'm wondering what kind of extra ...more >>

I needed a way to show the user of my page that something was happening, so what I came up with was to change an image I already had on the page when they clicked on the SUBMIT button. document.getElementById("image2").src = http://sta2wd08/emplinkage/pleasewait.bmp This works pretty well a...more >>

I sometimes get a timeout error when populating my datagrid, the code is WizardConnection.Open() UpdateCommand.CommandText = "EXECUTE sp_assign_user '" & PhysOffice.SelectedValue & "', '" & Context.User.Identity.Name & "'" UpdateCommand.ExecuteNonQuery() WizardConnection.Close() A...more >>

Hi I have a page broken into two sections, the first top section is selection criteria for my datagrid. The second section is the actual datagrid. I would like the selection criteria section to stay on the page at all times when scrolling. I know this can be done with frames, but I believ...more >>

Hi, Can Global object have non-static methods? If answer is yes, then How can I access them in pages? I have following property in Global.asax.cs, but when I try to use it in pages, I receive error "An object reference is required for the nonstatic field, method, or property CurrentDisplayN...more >>

When I call the Environment.Machinename to try to get the local machines name, I get a "Object reference not set to an instance of an object" error. This same code works fine on my local machine, it just started having problems when i rolled it out to a production machine. Thanks ...more >>

Hy Guys, I need to use in my aspx page an InputBox. How can I do it (I prefer don't using JavaScript) Thank's... ...more >>

Hi, How can I store a class (including all it's members) in session object? I already tried something like: Session["Status"] = myClass; but it stores the value of myClass.ToString in it!! Thanks, Alan ...more >>

We have a site which requires a user to login. Often users want to login, then do nothing on our site for a few hours, then use it again, eg. have the browser minimised. When they try to use the site after a period of inactivity, they see a fairly ugly error message from the server. How do I:...more >>

Hello, I'am experiencing that Asp.net can not handle sorting of datagrid when the number of items exceed a few thousands. Is anyone aware of this problem? The sorting works fine when the number of item in the datagrid gets lower. I do not know the number limit between *Works* and "don't w...more >>

Please forgive me if this question has been asked before. Is there any way to have IIS running on one machine processing HTTP requests - but have all requests routed to another machine for processing (the App server). The project I am coming from had iPlanet processing requests and passing ...more >>

Hi, we have got a problem with asp.net and we don't know what to do Usually aspnet_wp.exe under medium/high load uses a maximum of 40% cpu power. Suddently even when requests are not so high it starts using 100% cpu. Pages are so served in many seconds each (instead of few cents), process th...more >>

Hello. We hawe a problem with the Excel-program on a public webserver. Excel is installated to convert/produce HTML - documents to a website on the server when client users in a webinterface upload Excel-documents for converting and publishing to the site. It is on a Microsoft Windows Server 20...more >>

Is it possible to know when an asp.net session has timed out? Is there some sort of timer event? Thanks ...more >>

Hi, We have a website with a very high volume of traffic. The pages are ASP.NET. There are some configuration settings that get loaded by the Global.asx file on Application Start event. The load time for those settings is about 3 seconds. When the site is running on IIS5 everything is okay....more >>

Can anyone point me to a site or something on the datagrid? I'm looking to do something with the datagrid and not sure how to code for it. I currently have a javascript grid that does everything I need but I can't get that working in the asp.net world, so I figured if i can get the datagrid to ...more >>

I am trying to get the number of .jpg files in a given folder (to pick a random one). The folder is referenced by a url - how can I do this. I have tried the code below - but get an error that URLs are not accepted. Dim files As String() = System.IO.Directory.GetFiles(dir, "*.jpg") result = ...more >>

I have ASP.NET application served as Live Web Video Viewer. The javascripts pull each frame(image) from IIS, and IIS pulls live image from Video Source through TCP channel. This works fine, but 1) It is slow because of two Pull Methods. 2) The IIS/Video Source have problem to support more than 10 us...more >>

Just wondering if there is a way to set up hyperlinks in a drop down list, so each item in the dropdown list navigates to a different page....more >>

I have a aspx page with two user controls. One of them holds some properties that I would like to set from the other user control. How do I do that I keep getting "Object reference not set to an instance of an object." when I declare the first user control like this from within the second UC P...more >>

Hi All, I have this in an ASCX file: <%@ Control Language="vb" %> <%@import namespace="System.Data.OleDb"%> <Script runat="Server"> Public Function GetConnection() Dim Conn as OleDbConnection Dim ConnStr as String ConnStr="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and S...more >>

Hi All Iam trying to validate date in a databound template textbox column ?To validate date i need to know the id and then which wud allow me to get value in the textbox to search for reg expression.But iam not able to get hold of ID.Any Suggestions are really appreciated Regard Nares ...more >>

Hello I have a DataList control with a couple of text boxes and a couple of RequiredField Validators and Regular Expression Validators, but they are not doing anything. When I blank out the value in the field, neither of the Required field validators are posting an error. I set the "causes...more >>

Can anyone send me these files: ApplicationCultures.txt Applications.txt ControlTypes.txt CultureProperties.txt DictionaryProperties.txt Elements.txt Properties.txt When I installed the Localization Toolkit these files were missing and I have no stored procs in my SQL Server 7...more >>

I have an asp.net app on 3 webservers (all same platform). The apps make extensive use of Application variables. A problem is occuring on 1 app - I have itentified that application variables are not been loaded on Application_Start. For example: in global.asax: protected void Application_Star...more >>

hi!! how am i supposed to update the db witht he changes the user make in webpage am trying to make a simple page that have a grid bound to a table the user can delete,add or update the grid how do i get the changes into the database after the page is loaded the dataset is gone so the da...more >>

Hi, I wrote a small function, thaht converts a DataGrid to Excel from a Web-Application (C#). Running the function with 100-200 rows it just works fine. Starting a "special" Report produces a DataDrid with about 13650 Rows. Now the conversion to Excel does not work. Are there any known restricti...more >>

I am about to start a new greenfield application. The big question is do I start on VS2005 CTP or not I know the final release isn't until 2005 but a cursory glance makes it seem that ASP.NET in the CTP is quite 'close' and there are some great features there that will save me a whole load of time...more >>