I have an aspx page that is generating the error below. I want to solve this problem but in general I would like to know how I might best approach problems like this. Any suggestions? Thank you. Kevin Server encountered an internal error. For more information, turn on customErrors in ...more >>

This is a followup to a previous question. I'm trying to grab some data and bind it to two different dropdown lists. (same data in each one). I can't seem to populate them both without resorting to what looks like two separate queries: Dim objConnect As New OleDb.OleDbConnection(strConnect...more >>

I have two applications: windows and asp and they have same report. I use crystalreportviewer control to view report in both applications and when print in windows I get one page but in asp.net applications I get two pages (I remind it is same report). Why? any ideas? -- -----------------...more >>

Hi , I sure you already have read and answered such type of question but I check some history and did not find the answer. Can you advise something for asp.net for start, really start? I am absolutely new for web development and I want to do some programming on asp.net. My previous exp...more >>

I have just moved a project to my laptop and get the message "Visual Studio ..NET has detected that the specified Web server is not running ASP.NET v1.1. You will be unable to run ASP.NET Web applications or services" Presumably there is a d/l on MSDN to rectify this, but I can't find it. Doe...more >>

Can anybody know how to set alias after 'where'? select 1 as A, 2 as B,A-B as C from tbl where [B]=1 ...more >>

Hi. Where I can find a freeware simple gif image editor ? Best if it was an visual studio 2003 plug-in. Thanks Simon ...more >>

Hey, I have a popup calendar control implemented in a user control. Now I need to send the date which the user has entered manually in the textbox to that control via a querystring. So I thought I could do something like this: <asp:TextBox id="txbAddStartDate" Text="<%#SetTodaysDate...more >>

Im my ASP.net project I do a lot of connection to the SQL Server Database. I use a global variabe for my connection declare in a module (VB.Net code behind) All is ok but when I start a form from the default page it takes 30 seconds to show the resultat of a select request And when, duri...more >>

Hi, What's the best way to check if two or more textboxes are empty before executing a task? I have the foll which is NOT WORKING If Not (txtDateFrom.Text Is Nothing) And (txtDateTo.Text Is Nothing) Then .....DO THIS Else .....Do that End If Thanks...more >>

Hi, I'm trying to send a file to the browser with Response.Write, and it works great. The problem (I guess...) is that the code that sends the file is in a class, and whan I load aspx file using the downloading method, I have the request for file saving in my browser (and I can save the ...more >>

I'm trying to set up a usercontrol that I can put on specific pages to authenticate people via their network login on our intranet. I have this in the config file: <authentication mode="Windows" /> <authorization> <allow roles="ServerName\GroupName" /> <deny users="*" /> </authorization> ...more >>

I am using an asp.net table to display postings in a classifieds website. This is a section of the HTM I am using... <asp:table id="tblAdvert" Width="466px" Height="78px" runat="server" BackColor="Gainsboro" BorderStyle="Solid" BorderWidth="1px" BorderColor="Midnight...more >>

I have typically always used one of the VB CType functions (not CType itself but CInt, CString, etc...) to cast/convert an input value to its proper type before passing it as a parameter to a SQL stored procedure. I recently came accross one I did not know how to handle though... TinyInt. I have ...more >>

Hi, How can I acomplish following: I want to create a file on server using onClick server event, and then I want to open that file in new window using Javascript window.open(). How can I do it ? Thanx, Neven ...more >>

How do I get the datagrid to page using C# in ASP.NET??? I have always used vb and to make a datagrid page the vb code that works is.......... Private Sub DataGrid1_PageIndexChanged(ByVal source As Object, ByVal e As System.Web.UI.WebControls.DataGridPageChangedEventArgs) Handles DataGr...more >>

Hi, I'm trying to build a datagrid that gets rows heading from records in one table, columns heading from records in another table, and cell values from records in a third table that maps the first and second to the cell value. The primary keys of the first two tables are foreign keys in th...more >>

Hi All, who suggest why subj do not affect on displayed result for date? ...more >>

Hi there, For some reason, when I edit row in my datagrid, some columns have (an unwanted) back color of yellow, while others correctly display with white back color. I can see no setting in my datagrid that could do this... How can I stop this from happening ? Thanks, Bazza ...more >>

Is there a way to combine the use of a web form and the Response.Write method? I am creating a search page with 1000's of results. The results are to large to buffer so I want to use the response.write with buffering tuned off. When I do this the results always shows before the form. Any ...more >>

Hello I have a data repeater control. Each row has set of <asp:net> controls. DropDownList,TextBox and buttons. User can add new rows, delete excisting rows and enter data. When user is done entering data and submits the form (clicks "save" button) what is the easiest way to retrieve all dat...more >>

Hi, Does anyone know how to examine items in the ASP.NET cache that are added using the OutputCache directive in framework 1.1 i.e. <%@ OutputCache Duration="300" VaryByParam="None" VaryByCustom="cmscontrol,cmsrole"%> By examine I mean see their value, key and expiration time. Che...more >>

Is there a drawing tool to drawn simple lines on a aspx page while you work on it in the IDE? Any help is greatly appreciated. ...more >>

Hello, I am passing some values in the URL like this: ....search.aspx?keywords=asp%20book Then to split the words I use this: Sub Page_Load(sender As Object, e As System.EventArgs) string[] sr = Request.QueryString("keywords").Split(' ') **** End Sub I get this error on line ****...more >>

I am using the following code to send email out in a vb.net web program through an exchange 2003 server. My web server is on a separate server. When i try to send email inside the office, it works fine... but when i try to send email outside the company i get "unable to relay" error message. Pl...more >>

I have a wireless networked peer-to-peer LAN and I can access web pages on the Internet. I have a development platform for ASP and I can access all pages on this machine by using the localhost address. However, if I try to access the development machine from another client on the LAN then I fail...more >>

I'm having a problem constructing an ASP.NET page that displays a Crystal Reports .rpt file using the CrystalReportViewer Control. Everytime I execute it from VS.NET 2003 it never loads and "hangs" my system (running on XP Pro SP2), it doesn't show any errors on build or on runtime, it just st...more >>

Hi there, What determines the sizes of rows / columns / cells when a grid is in edit mode ? When I click the edit command of a row item, the whole grid 'bounces' to a much larger size... and after update it reduces back again. I have a custom crafted grid (AutoGenerateColumns = False) ......more >>

Ever since I ported VB my webform to C# the images in the following html have borders. <asp:EditCommandColumn footerText="New Item" EditText="<img src=images/edit.gif (border=0 alt='Edit line item'>" CancelText="<img src=images/cancel_1.gif (border=0 alt='Cancel update'>" UpdateText="<img src...more >>

Hello, I have an ASP.NET page with a form <form id="myform" method="post" runat="server"> <asp:panel id="pnl1" style="Z-INDEX: 101; LEFT: 8px; POSITION: absolute; TOP: 8px" runat="server" Height="572px" Width="360px"> <asp:button id="cmdSubmit" runat="server" Text="Submit"></...more >>

Hi, I have been trying for days, yes days, to use the calender from the asp.net timetracker starter kit. I am now frustrated. I finally get the popup calender to popup but when I click ok to insert the date to the calling page I get the error "A runtime error has occured Line 14 Er...more >>

I've got a very simple bit of code that needs to work with IE, Firefox, and Opera on the PC and the Mac: Sound Bite: <asp:TextBox ID="txtEditSoundBite" Width=500 height=600 TextMode="MultiLine" Runat="server" /> On IE on the mac and PC, it renders fine as I'd expect: Sound Bite: <textarea nam...more >>

I have to keep a variable (integer) during the navigation of my asp.net project (vb.net code behind). So actually I use a module where I declare a global variable Public MyGlobalVariable as integer In all my form I refer to this variable with MyGlobalVariable . Is this method the best ...more >>

I am programmatically populating a asp.net table control with my usercontrol (PictureBox.ascx) which is basically an assortment of an imagebutton, Label and a Linkbutton. Now while debugging the application i can see that the control is being initialized properly (by setting the imgurl and tex...more >>

On one of my localhost sites I'm getting a message to run aspnet_regiis -c to correct some scripting issues. When I try to run the listed command I get another error: "You must have administrative rights on this machine in order to run this tool." I have verified that I have administrati...more >>

Is it possible to store the same information about a control that would be saved in the ViewState in a Session state? I have a page with three treeview controls and if I enable the view state for the controls I get huge delays on postbacks, but if I disable the viewstate I lose all my informa...more >>

Hello, I have an ASP.NET/VB web page (search.aspx) with a search form. When the button is pressed the keywords are passed like this: Sub searchClick(sender As Object, e As System.EventArgs) Response.Redirect("search.aspx?list=" & Request.Form("keywords")) End Sub To split the keywords ...more >>

Hi, If a control has autopostback set to true does that mean when the control losses focus then the page will postback again? A submit button will do the same thing as a control, lets say for interest sake a datalist control with autopostback set to true, both of these controls are causi...more >>

Anyone have any idea what this is? Server Error in '/admin1' Application. ---------------------------------------------------------------------------- ---- Runtime Error Description: An application error occurred on the server. The current custom error settings for this application preve...more >>

I have attempted to lock down the trace.axd file with the standard: <location path="trace.axd"> <system.web> <authorization> <allow roles="SOME GROUP"/> <deny users="*"/> </authorization> </system.web> </location> in my webconfig file. ...more >>

Hi there, I'm new to this... This is a visual formatting problem. I have two web forms that relate to each other in a master / child type manner. Select a table row in the datagrid on the master form (Clients), and you are redirected to another form showing the children (Client Contacts i...more >>

Hi everyone Well here is my problem I hope you can help me I have a web application. My web application is 4 different dlls 1. The First DLL is a Class library with shared routines and staff like that (VB Project) 2. The Second DLL is an ASP .Net application and it's the shel...more >>

Hi, i know i'm not in the right place here but i'm still hoping one of you can help me. I have created this website using asp. Now my boss wants me to add some buttons so the user can format some text of his own. Just bold, italic, underline. I've been trying to find some javascript t...more >>

I am using Forms Auth in my aspx site. How do I enforce user role security PER PAGE. These files are in the same dir. Ex: Admin1.aspx - Only admins can view Role2.aspx - Only admins AND role2 can view Page3.aspx - Only admins, role2 and role1 can view PageX.aspx - Everyone can view Wou...more >>

We get " Object reference not set to an instance of an object. " error in all the links whenever the browser is not used for more than 5 minutes. In IIS 5.0 version we are setting the session time out to 60 minutes. Please let me the know solution if any knows the answer. Thanks GP...more >>

Hi. I have a couple of questions regarding the Session_End event. I have some clean-up code in this event and it does fire when the session times out, which is good. I also want to have this (or similar) code fire when the session ends prematurely, like when the browser window is closed or ...more >>

I have been using this code for a while now and I haven't changed this code for at least a couple weeks... I do not suspect the code. The error I'm getting is the following: Message: Could not access 'CDO.Message' object. StackTrace: at System.Web.Mail.LateBoundAccessHelper.CallMethod(Obje...more >>

Hi everyone, I have a toy class that inherits from ServicedComponent and a hand-crafted interface. It looks like this: [Transaction(TransactionOption.Supported)] public class myclass: ServicedComponent, IReadData //IReadData is the hand-blown interface { public string GetStr...more >>

Hi all! I want to get the datafield value of a cell in a datagrid item. How can I do this? I have a for loop (as below) and I am able to get the data in the cell, but not the datafield value. Regards. foreach(DataGridItem dataGridItem in MyDataGrid) { string cellText = dataGridItem...more >>

Hi, I am so so tired of getting this error message when I try to open a web project or create a new one: The web server reported the following error when attempting to create ot open the web project located at the following URL: 'http://localhost/...' A connection with the server could ...more >>

Hi, I'm just working on my first ASP.net site, and I'm having some problems. In standard ASP I can easily display output based on whether any content exists for the database field I'm displaying, but I can't seem to work out how to do the same thing in ASP.net. What I'm trying to do is dis...more >>

Where is using in APS.NET 2.0 "roles" key on sitemapnode in web.sitemap ...more >>

I would like to set focus to a text box field on a user web control. Does anyone have suggestions on how I should approach this? ...more >>

Hi! I've a large form containing 600 fields (mix of textbox, checkbox, radiobuttons) i've broken the form in 10 parts (more or less with same number of fields) using web control, so if you press a button a particular part (1 of 10) will be loaded. My problem is how to save these part-forms in...more >>

I am deep into a project and cannot get this to work correctly. I am trying to make a custom error page that will be able to know what exception occurred. I already know about the defaultRedirect page - <customErrors mode="on" defaultRedirect="Error.aspx"/> But how do I reference the except...more >>

Is there anyway I can log the HTTP request coming to IIS5? I wanted to track some human readable data in a web based application (asp.net/vb.net/.NetFramework 1.1) Thanks, Lalit ...more >>

My development environments are ASP.Net and VB.Net and .NetFramework1.1. I remember reading "using less number of session variables is good for application performance". Now instead of using 20 session variables, I can use one session variable which carries the data for all the 20 variables ...more >>

I download and grab a .NET solution from Vault and open it on my local computer. It works fine - I can compile it - no problems. But when I check it out and do a small changes in any classes. I got many strange syntax errors. Some variables are not declared exc. When I copy and past the dec...more >>

Hi, I have deployed my asp.net application on a webserver. The funny thing is that when I try to run the program from the webserver.. I receive a runtime error.. but when I run the application from my development machine.. everything looks good. The webserver has .NET framework 1.1 instal...more >>

i have 2 general questions about performance: 1. i heard that using <%# databinder.eval(....)%> will effect the performance and i wanted to know it that's corrent. 2. also about performance - does is matter if we use codebehind or writing <script> tags in the aspx page? or once compiling t...more >>

When I create a DataGrid and choose one of the "nice" formats and then use the DataGrid1.RenderControl method to write out all of the HTML and then look at the Excel file, it maintains the coloring scheme. When I create a Table manually and place various cascading style sheet parmaters in ...more >>

Good morning all! I have several sites with 'introductory' pages, from which users pick more specific 'sites' to visit - like www.bogus.com/somesitename/blah. I look up 'somesitename' in a DB to form a url like www.bogus.com/TheRealThing/blah?ID=123, where 123 came from 'somesitename' in the ...more >>

What do I need to install to get ASP.NET to run on my home PC. I would like to do some of the examples, but don't know what has to be running. I have downloaded and installed the .NET Framework and the ASP.NET Framework. Thanks, Fred ...more >>

Hi I have a date in UK Format (dd/mm/yyyy). I want to get a series of days after that date, but NOT Saturday or Sunday For example, if the date is 13/12/2004 (next Monday) and I get the next 9 dates, I want to end up with a full list like.. 13, 14, 15, 16, 17, 20, 21, 22, 23, 24 (2wks, m...more >>

Hi How do I validate a Multi-select listbox to make sure at least 1 item is selected? Cheers Dan...more >>

Hi, I am having some problems hosting my website. Everything works fine in my local machine but when I upload to propduction server, my images won't load properly. I have my state configuration like this in my web.config: <sessionState mode="InProc" stateCon...more >>