I get an SqlException caused by trying to insert a duplicate key into a table. The user needs to be informed and asked to supply a new input. I check the SqlException object and see these two properties: ex.Number = 2627 ex.Message = "Violation of UNIQUE KEY constraint ..." So is it safe...more >>

Hi, I add label and text box fields dynamically in code using C# and ASP.NET. I set the width of the label using: Label label = new Label(); label.Width = 20; label.Text = "Test"; panel.Controls.Add(label); This works fine with IE where the width is correct, but the widths of the lab...more >>

Hey Guys, Im trying to make a DYNAMIC web application. 1st page should have a drop down menu with 2 options.(this can be done). When the 1st option is selected it should build a website with a couple of web controls (dDlist preferred) in proper positions. Can some one please guide me throug...more >>

Access to the path "C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET Files\myapp\hash.web" is denied ...more >>

Hello, I am creating a web site with a Content Management System. The web site doesn't have any restricted area. The CMS has a login page and all pages in it need the user to be authenticated. I am following this tutorial in MSDN: http://support.microsoft.com/kb/308157/EN-US/ I am ha...more >>

Hello, I am in the planning stages of a new ASP.NET web site, and would like to know if it's possible to add a search facility to it. The site will be a mixture of static pages and ones generated from database queries. Ideally I would like something that will search the pages generated by ...more >>

how do I cause and anchor or link button to not change its text color once the link has been clicked? thanks, -Steve ...more >>

When is the session object created and by which class,httpruntime or httpapplication or sessionstateModule? Thanks ...more >>

Hi folks, I just need some advice about books/where to look about this subject. I've got a number of happily running .NET apps that are doing the business and have some good formatting, as long as the user is using IE. Non of these applications are doing anything particularly special, j...more >>

I can run my ASP.NET 2.0 beta 2 application on a development workstation, but how do I host it on my Windows 2000 Server? Do I need 2.0 beta 2 framework? -David ...more >>

Hi All I need to download a gif file from a url,t he file is binary written, so all i need to do is get the file and save it from a URL. ( Used to use the old http object in VB to do this) anyone know how to do this with the .NET Framework ? ...more >>

I know I can use controlName.Value to retrieve the form fields value if I am in that page. But if I am out of the page, for example I am in a HttpModule, I want to retrieve a hidden filed value, Is that possible? if so how? Thanks!...more >>

Can I control the name of a file downloaded if that file name isn't in a request header? I have a data grid that contains a list of excel files by date. In each row there is a ButtonColumn pointed at a handler containing the code: case "Download": Response.ContentType = "Ap...more >>

Hi, I was wondering if server side html controls were used prior to dotnet? Thanks Dee ...more >>

Greetings, This question is related to Microsoft Reporting Services Web service. I tried asking it in RS groups but no one seems to be knowledgeable enough to answer, so I wanted to try my chances here. Thanks... I am trying to get the code below to work with no success, I googled the iss...more >>

I've got the following simple line of code in a codefile in an asp.net application. The codefile has a lot of common routines I use in several applications. When I try to use a application variable it throws, "Object reference not set to an instance of an object" errors. Can you not use appli...more >>

Is there a way to tell a screen on Postback to clear all the objects (or put them back to their defaults on Postback)? At the moment, I am just going through and setting them manually before reading new records. Thanks, Tom ...more >>

Hello, I have na Asp:DropDownList 2 things are not working in Firefox: CSS and Width. It works fine in Internet Explorer. How to solve this? Thanks, Miguel ...more >>

Hello, How can I fill the items of a DropDownList on Page_Load? Thanks, Miguel ...more >>

Hello, I have a function in my aspx.vb file which changes culture: Function Change_Culture(newCulture As String) .... When a drop down list item is selected I want automatically to call the function Change_Culture(Item.Value that was choose in the dropdownlist). Can someone help me ou...more >>

Hello- I am failry new to asp.net but have been coding in general for a while. I have a datalist whos templates are built on the fly. In the Page_Init sub, based on a certain value, certain external controls are assigned as the ItemTemplate and the EditTemplate. 1)If I only assign these tem...more >>

Hey guys. I have a Repeater and a Template. One of the dataitems calls a helper function. The dataitem sends the record ID to the function and the function runs a complex query and returns a calculation which is a dollar amount. The ID is a "construction project" and the helper function goe...more >>

Hi, I have written a webpage that allows a user to delete files in asp.net with I am having a small problem. To access this page a user has to login via login.aspx page. After successful login, user is directed to a page called view.aspx which shows the user the files in a directory an...more >>

I have a datagrid on my web form and I have populated it with the following code: Dim strConn As String Dim strSQL As String strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\Test\MyDatabase.MDB;" strSQL = "Select client, newstarttime, newendtime, ccode fro...more >>

Hi All, I am working on a project that acts as a bridge. It does some checking with post xml data, and then redirects the request to an appropriate page. However, we find that depends on the browser cache setting (and OS), the program behaves differently. This is how it should work: ...more >>

I want to change the contents of a page using HTTPHandler. How can I get the content of the page in ProcessRequest? Thanks a lot!!...more >>

Hi guys, I am trying to write a httpmodule to implement upload file progress bar. I searched web and got some sample code from code project (http://www.codeproject.com/aspnet/File_Upload_Progress_Bar.asp?df=100&forumid=155656#xx1079964xx) Here is the code I modified. The problem is: if I d...more >>

I have the following code in an ASPX- page: <DIV id="header" style="Z-INDEX: 102"></DIV> I render it using a CSS: #header { background: #0D3D91; position: absolute; top: 0px; left: 0px; right: 0px; width: 100%; height: 18px; overflow:hidden; } Problem: ...more >>

Is it possible to use directly C# code into a VB project? If not, is there any tool to convert from C# to VB.NET? -- Regards, Diego F. ...more >>

I have to use the tab control in my webpage when i click on the particular tab it has to show the controls in that tab. is there any free tab control,if there please let me know. Plz help me out. thanx in dvance Yoshitha ...more >>

If I have spaces in my Text property of Label, and I add it to TableCell, it wraps at spaces. E.g. Label lb = new Label(); lb.Text = "Hello, World!" TableCell cell = new TableCell(); cell.Controls.Add(lb); The resulting TableCell html render will look like this _______ | Hello, | ...more >>

When I want to add a js confirm box to a delete button that is positioned in the last column in a datagrid row I do the following in the ItemDataBound event: Dim delBtn As LinkButton = e.Item.Cells(10).Controls(0) delBtn.Attributes("onclick") = "javascript:return confirm('you sure?');" If ...more >>

I have modified the ASP.NET TimeTracker Starter Kit to include the ability for users to log working hours (Start Time, Finish Time, Lunch Duration). This is then presented to them in a grid & a TimeWorked column is calculated (in a UDF within the DB). I want to include a label in the footer...more >>

I haven't found any vbscript code that can stop the form submission/postback after the msgbox. The problem is that asp:button is rendered as <input type="submit"> instead of <input type="button">. So instead of doing a "document.form(0).submit" upon "Yes", I need to stop the form submission upon...more >>

I have made an user control for a header for all web pages. Now I want to add an image in the header. What is the best way of embedding a GIF in the usercontrol? I donot want to distribute the image separately from the usercontrol. Put the gif in the resourcefile? Other options? /k ...more >>

How do I disable postback repopulation of non-viewstate controls, such as normal textboxes etc? (Surely there must be a more elegant solution than manually clearing them on page load...) ...more >>

Is there a limit to the number of rows that can be in an asp.net dropdown box? I know there is a limit in MS Access, but didn't know if it applied here. thanks, -- Chuck Foster Programmer Analyst Eclipsys Corporation - St. Vincent Health System ...more >>

Hello, I have a project in .NET and I use a Crystal Viewer to show some reports. Everything showed fine, but now when I call the report it appears like very big that it doesn't fit in the screen. I have an option to generate a pdf file and when it opens the PDF the report is so big that only the...more >>

Hello, I have my tabled displayed through a datagrid to users. Now I need to export this data to excel, xml, pdf once users click a button. How can I do this? Thanks, Jim. ...more >>

Hello folks, I have a database table with CategoryID, Name and Description. I made 2 DropDown Lists one for Displaying Name and the other for Description. I want to add a web control, lets say a simple Datagrid that would display the CategoryID depending on the values selected from the 2 drop...more >>

For some reason, I need to get the server domain, who can I obtain this? regards, Guoqi Zheng http://www.ureader.com...more >>

I'm using sql server session state and wrote a class to wrap current session. I need to know if what I am doing will result in users sharing session data. '---------------------------------- '------- Session Wrapper -------- '----------------------------------- Imports System.Web.SessionSta...more >>

Hi All, I m facing a problem. As u know asp.net vallidators did not work in = non-microsoft browsers. So for that i m using Server Side Solution. But i don't understand how = can i show the validation summery with all messeges as they show on = client side in IE. Means that when we submit th...more >>

Public Class test1 Inherits System.Web.UI.Page #Region " Web Form Designer Generated Code " 'This call is required by the Web Form Designer. <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() End Sub Protected WithEvents Button1 As System.W...more >>

I am working on a new project whereby we are going to generate the datalayer dynamically. Multiple customers will use the system and each customer will have their own unique datalayer for each of their dataobjects. In other words, one customer's datalayer for a PERSON object will be differen...more >>

Hi, I need to find out how to use a proxy-script to submit a form to one server, have it act as client and send the form to another server, which collects data, and then submits that data back to the original server in xml format. Any help would be appreciated. Thanks ...more >>

It seems you cannot through an httpmodule alter request.headers. Is there a way around this (sure.. it works fine in isapi of course). It doesn't seem to have been changed in asp.net 2.0 either. Any workaround? Thanks...more >>

Its my understanding that in asp.net 2.0 you can write an httpmodule that will acts as a wildcard handler and pass requests on to the proper engine, for instance, asp or perl for example, In the past I believe if it wasn't an aspx file, things didnt work right. Can anyone provide input if this...more >>

I have a class that I need to use Server.MapPath(), when I try to compile, I get this error: The type or namespace name 'Server' could not be found (are you missing a using directive or an assembly reference?) Are there any static members I can access outside the Page class to get to MapPath?...more >>

I have a dataReader that was used a second time in the same routine and got the following error: Object must implement IConvertible. It worked fine just before. I did a stored procedure call just before, closed the connection, set up the new parameters for another stored procedure and got...more >>

(Type your message here) test -------------------------------- From: Ravi Chand ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>36fv6xyTBEK6xHm0+ecPtA==</Id>...more >>

Hello. I've got my LDAP authentication working, and have authorization working to a great extent as well: I'm limiting who can access the site by using <allow users="smithj, harrisb, ...."> in the Web.config file. Is it possible to use this file to also determine who can write to a particul...more >>

Hi guys, I'm getting a bit of a wierd one with my ASP.NET application. I'm running under framework 1.1, which is a shame, because the following KB articles looked interesting initially: KB810280, and, KB321792 Essentially, the app is running along reasonably happily, and then suddenly a...more >>

Greetings. I have a serious problem. I have multiple sets of tables, several of which are chained more than two tables deep. That is, I have a parent, a child, and a great-grandchild table. Currently, I am allowing the parent to be edited by itself. In order to get to a child table, a us...more >>

How come everyone in this group codes in VB.Net and not in C#? Please don't flame me ...more >>

Hi, I have been on this for hours and just cannot work it out. I have a datagrid. I set the edititem index to a row to edit, that works. However if i want to put a value into this textbox it wont let me. I just cant find the control in the controlcollection for the cell. Is it because it ha...more >>

Can someone please help.... I'm having major issues with a user control I'm tring to create! I an trying to execute a sub called UploadData() from a user control which I managed to do but for some reason I keep getting the error: Exception Details: System.NullReferenceException: Object re...more >>

I'm trying to use a datagrid to display data and that has been easy - what i'm trying to do is have a rows background color change to red if the first databound column is 0 for the item. I have entered an onitemcreated sub routine to handle the data item when its added to the grid but it hasn...more >>

Hi guys, I need to use a one row datagrid in my asp.net 1.1 application. The data source will contain 1 or 0 entries. When no rows of data are present I want to show an empty row in the datagrid (ie. with empty cells). Unfortunatly I get no datagrid shown instead. Any idea how I can force t...more >>

Hello all, Is it possible to add a row to an ASP.net datagrid via clientside JavaScript? Thanks, Jon...more >>

Hi everybody ! I need some advice about a repeater... I have a repeater on a website displaying a list of hyperlinks. The url's of these hyperlinks are all stored in a database. everything's working just fine except if the url field in the database table is 'null'. Is there an easy way to make ...more >>

Can someone please tell me why when I refer to a Sub in my User Control I get the following error... Error:.. Reference to a non-shared member requires an object reference For some reason I can't find out why I am unable to refer to the following sub... Would be grateful for any help....more >>