Building a C# Chat Client and Server
A step by step tutorial teaching you how to create your own chat client and chat server easily in C#, for local networks or the Internet.
Getting Hard Drive Information
A C# tutorial showing you how to make use of WMI to extract information on disk drives, such as model, capacity, sectors and serial number.
UPS Shipping Calculator
This tutorial will teach you how to calculate the shipping cost based on the weight, height, length and depth of the box, the distance and the UPS service type.
Create Your Own Rich Text Editor
Creating a Rich Text Editor using JavaScript is easier to do than you might think, thanks to the support of modern browsers; this tutorial will walk you through it.
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How Show Rectangles In A Asp.net ImageMap?
Hi All, How can I show drawn rectangles (the hotspots) in a asp.net ImageMap? (so the user knows where to click) i understand that its not possible to use java script in combination with the imageMap...
| On Tuesday, October 27th 2009 at 11:44 AM by b. hotting | 1 Reply |
AspNET:Menu Item Text Color Dont Change ?
hi All ; i make a WebForm with ASP.NET 2.0 and add a Aso.NET:Menu control in this my web form . i add menu Item dynamics in .cs . etc:Root MenuItem and child but my all MenuItems text Colors...
| On Wednesday, October 14th 2009 at 06:19 AM by Tahsin | No Replies |
Using AutoPostBack With A TextBox In A Repeater
I have a Repeater who's ItemTemplate contains a TextBox that has AutoPostBack set to True. However, I am not sure where to handle this postback. When I have a Button in the ItemTemplate, I simply...
| On Saturday, October 3rd 2009 at 01:07 PM by Nathan Sokalski | No Replies |
Asp:Wizard NextButtonClick And UpdatePanel
I have a wizard that has a long running step (3-4 seconds) and I would like to show a progress bar on the NextButtonClick of the Wizard. I am able to get the trigger to work with a button and its...
| On Monday, September 28th 2009 at 09:09 AM by Anonymous | No Replies |
Copy Code Link
Hi, What control do I use to simulate the Copy Code feature provided in many walkthroughs? In all walkthroughs, sample code is proved in a gray box which has a link copy code. When the user presses...
| On Sunday, September 20th 2009 at 03:28 PM by Anonymous | No Replies |
Persisting Complex Data Between Calls
I am trying to write a WebControl version of an existing .NET Windows Forms control, and to re-use as much of my existing code as possible. This requires the server to hold and use complex existing...
| On Friday, May 22nd 2009 at 09:41 AM by Anonymous | No Replies |
Simple Composite Control Fires Event Fires First Time But Not Second
Hello, I have a simple composite control (asp.net 1.1). The on click event fires the first time the button is clicked but not on subsequest clicks. Any ideas why please? Imports System.ComponentModel...
| On Monday, May 11th 2009 at 11:59 AM by sellars.paul@googlemail.com | 2 Replies |
SetDisplayMode() Equivalent In ASP.NET ReportViewer!!!
Hi All, I want to use any SetDisplayMode() equivalent function (like in Win Forms) in my ASP.NET Application to dynamically show SSRS Reports in PrintLayout. I know the SetDisplayMode() method...
| On Monday, April 27th 2009 at 06:40 AM by Yasercom | No Replies |
Wizard Control
Hi, I have a page with a wizard control. Note, this page does have a masterpage. The wizard control has 5 steps; all steps have AllowReturn set to true. Step 1 allows the user to browse, select...
| On Tuesday, April 21st 2009 at 06:35 PM by Anonymous | 3 Replies |
Auto Open Cascading Dropdown Once Loaded
Hello, I have an Auto Parts Catalog where I use Cascading Dropdowns for the Year, Make, Model, Engine, etc... The main complaint I have is that users must click each dropdown twice. Once...
| On Thursday, April 16th 2009 at 01:21 PM by deano | No Replies |
Filling The Text Of Buttons Over A Public Class
Hi there, I have an aspx page with 15 Buttons. The text of the buttons should be filled during the runtime. The names are in an access database. I created a global class with the methode "fillButtonNames...
| On Wednesday, March 11th 2009 at 04:34 AM by Michael Engel | No Replies |
Gridview - Convert To Excel And Save On Server Automatically
Hi, I am using the following code to convert an asp.net 2.0 gridview to Excel. When this happens the user will be prompted to either open the file, save it to disk, cancel, etc., and it works...
| On Friday, March 6th 2009 at 03:25 PM by Anonymous | No Replies |
CustomValidator
Hi, I have a GridView1 which contains several fields including 2 template fields where one edit template contains TextBox3 and the other contains DropDownList1 with a CustomValidator. They are...
| On Monday, February 2nd 2009 at 09:23 PM by Anonymous | 1 Reply |
Can Populate Aspx Listbox With CodeBehind, But Can't Iterate Through
I'm just getting my feet wet with code-behind forms for my aspx pages, and I've run into a puzzler. I have a listbox on my web page called lstProject. When the page loads, the listbox is populated...
| On Sunday, January 25th 2009 at 06:17 PM by Arch | No Replies |
Finding New Record In DetailsView With ObjectDataSource
Hi, I've been reading through 'DetailsView Insert' and 'DropdownList Datasource Dependency' threads. I have a similar issue but my case uses an ObjectDataSource for the DetailsView. What I want...
| On Tuesday, January 20th 2009 at 04:44 PM by Anonymous | No Replies |
Adapting ReorderList WebControl For Rendering Dynamic Html
Hi I need to be able to edit and render dynamic html from a custom data source. The rendered output is going to be html form elements for collecting survey style data. The main problem I?m facing...
| On Monday, January 5th 2009 at 12:27 PM by Andrew Jocelyn | 2 Replies |
Treeview Only One Node Group Open All Others Collapsed
Using: MS Visual Studio Express Web Developer (The Free Version) Experience: Beginner I set up a page ???test.aspx??? with a treeview control containing several root nodes and child nodes. Example...
| On Monday, December 15th 2008 at 03:08 AM by majb | No Replies |
Passing Variables In ASPX
Hi, I'm stumped. I am trying to use the request.form() command in a page to get information from another page. Here is my dilemma. If I use regular input fields and use the name property it...
| On Sunday, November 23rd 2008 at 03:21 PM by Suzette | 1 Reply |
How Do I Implement The IButtonControl Interface In My Custom Control?
I basically want to recreate a linkbutton control. My control inherits webcontrol. I override the TagKey property to render an A tag (hyperlink). I need this link to postback to the server so I can...
| On Sunday, November 23rd 2008 at 12:27 AM by daokfella | No Replies |
StaticSelectedStyle For Menu Not Working In Master Page
From: "Gary" Subject: StaticSelectedStyle for Menu not working on Master page Date: Monday, October 27, 2008 11:11 AM It does partially work. The font is bolded for selected MenuItem but the...
| On Monday, October 27th 2008 at 01:45 PM by Gary | 2 Replies |
Gridview Update Not Working For AccessDataSource
Hi, I am trying to update a row in a GridView that uses a table with a join to another table and using hidden column info for a parameter. I have set the DataKeyNames for the GridView. The...
| On Monday, October 6th 2008 at 07:47 PM by Anonymous | 1 Reply |
Dllhost Flake Here And There To 100% CPU Utilization.
Hi I having a bit of a problem on our Web server, we are facing this issue for almost more then 5 years now, we have done lot of research on this many google query and reples most of them refer...
| On Monday, October 6th 2008 at 11:00 AM by Imran | No Replies |
Parallel UpdateProgress Display
Hi there, I have a problem using the UpdateProgress Panel out of the ASP.NET Ajax Components. For ensure that no Ajax-Call cancels another running Ajax-Call I use a Queue System, so that all calls...
| On Monday, September 29th 2008 at 05:49 AM by Urs Widmer | No Replies |
Gridview - Dynamic Column Ordering
Hi, I have an asp 2.0 gridview with two textbox template columns, e.g. TextboxA and TextboxB, in that order. These template columns are defined in the aspx page, not dynamically. Is there a way...
| On Friday, September 19th 2008 at 10:49 AM by Anonymous | No Replies |
Format A String As A Date
I'm getting Date values from a MS Database - they look like this: "mm-dd-yyyy hh:mm:ss AM" I want to display it in a Literal control on my page, formatted as "mm-dd-yyyy". Here is the code I'm...
| On Thursday, September 18th 2008 at 10:43 PM by Arch | No Replies |
MouseOver Event Asp:menu
Hi i'm using a asp:menu in a masterpage that opens .aspx files in a contentplaceholder. Does someone know a trick to get the onmouseover event working. I want to show a different buttonimage every...
| On Tuesday, September 9th 2008 at 03:25 PM by Stefan Bosman | No Replies |
Adding Client-side Javascript To A Wizard Control SideBarButton
I would like to add a javascript function call to the SideBarButton in an ASP:Wizard control in ASP 3.5. I have a onbeforeunload function defined that I do not want to execute everytime the user...
| On Monday, September 8th 2008 at 12:59 PM by Anonymous | No Replies |
Dynamic Loaded Control Event Delegate Does Not Fire On Server
I have am dynamically loading a web user control based on the click of a tab strip I load the default control for the first tab in the page load event after checking page is not postback. After that...
| On Sunday, September 7th 2008 at 11:28 PM by Anonymous | No Replies |
Using Validators To Validate UserControls
I have a UserControl that contains Controls I want to validate. I am attempting to write a class that inherits BaseValidator (which I have done many times before for the standard controls such as...
| On Friday, September 5th 2008 at 09:29 AM by Nathan Sokalski | No Replies |
DataBinding Expressions With Multiple Fields
I have a Repeater that uses a DataSource that has multiple fields. When the values of these fields is displayed in the Repeater, there are fields that are used in combination with other fields as...
| On Wednesday, September 3rd 2008 at 10:28 PM by Nathan Sokalski | 2 Replies |
Asp:TextBox Wrap Not Working
..Net 3.5 and 3.5 SP1 Browsers: IE7, FireFox, Safari asp:TextBox is not auto wrapping when you type off the edge of the control for me in any project. I have Wrap="true" and I also have TextMode...
| On Wednesday, September 3rd 2008 at 03:32 PM by Anonymous | No Replies |
DataBinding Boolean Values From A Database
I have several controls in an ItemTemplate in a Repeater that will sometimes be hidden. I would like to do this by setting the Visible property using something like: Visible='' However, this...
| On Friday, August 29th 2008 at 12:25 PM by Nathan Sokalski | 2 Replies |
Formview Cannot Edit Data
Hi, I use C# 2005 to create a FORMVIEW control in a web page which is connected to SQL SERVER 2000. The Insert function and other functions of this FORMVIEW is OK, however the Edit functionality...
| On Saturday, August 23rd 2008 at 09:11 PM by Martin | No Replies |
Using A Variable As A NavigateURL String In A Hyperlink
My code builds a string that I want to use as a URL in a hyperlink. Here's my tag: I've checked my variable , and it's fine, but my page passes the variable name, not the value of the string...
| On Saturday, August 23rd 2008 at 12:58 PM by Arch | No Replies |
Webpartzone: Set Backgroundimage For MenuVerbHoverStyle
Dear all I try to set the CSSClass in the MenuVerbHoverStyle Property of the webpartzone. This is not possible and the kb article http://support.microsoft.com/kb/911717/en-us validates this....
| On Wednesday, August 20th 2008 at 10:10 AM by Anonymous | 3 Replies |
Asp:menu
Can I dynamically enable/disable menu items in code? -- Arne Garvander (I program VB.Net for fun and C# to get paid.)
| On Tuesday, August 19th 2008 at 11:14 AM by Anonymous | No Replies |
Wizard MoveTo() Method
I'm using the Wizard control in the 2.0 framework. I need to perform a validation on each of the steps of the wizard in the Finish button click event. This scenario would occur if the user clicked...
| On Monday, August 18th 2008 at 05:40 PM by Craig Buchanan | No Replies |
Adding To The Style Of The Master Page From A Content Page
I have a content page from which I need to add a style rule to be used by the page. Since content pages only have the content tags, I obviously need to edit the Master page's style using code. I am...
| On Monday, August 18th 2008 at 10:27 AM by Nathan Sokalski | 1 Reply |
Open Pdf File In The Main Frame Over A TreeView Control
Hi all I have a frameset with two frames. One is navigation (TreeView 2.0) and the second is the main frame. How can I use a TreeView Control to open pdf's in my main frame. I already used the...
| On Monday, August 18th 2008 at 07:42 AM by Michael Ahrens | 1 Reply |
Displaying Databound Values As Members Of A Collection Or Array
I am using databinding and the Repeater control to display the results of a database query. I normally use the DataBinder.Eval method for this, but in a scenario I am currently dealing with I would...
| On Wednesday, August 13th 2008 at 03:56 PM by Nathan Sokalski | 1 Reply |
Bind() In FormView With Server-side Tables
Hi. I have a FormView associated with an ObjectDataSource. The FormView's InsertItemTemplate contains several textbox objects bounded with BIND(). Some of these textbox are contained in normal...
| On Wednesday, August 13th 2008 at 09:51 AM by Victor | No Replies |
Sorry No Subject White Space In Image Control
I am a bit new to this. I am loading images up and displaying them so they can be selected next or previous, II am using the Image control setting its ImageUrl property. I have no problems unless the...
| On Tuesday, August 12th 2008 at 04:22 PM by Geoff | No Replies |
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| On Saturday, August 9th 2008 at 03:13 PM by sdgvfwe@yahoo.is.com | No Replies |
Validation In Gridview - ASP.NET
Hi all, my problem is in the validation of a textbox in a gridview. I have to check a quantity that must be a positive number greater than zero. In the XML I have used in a ItemTemplate a TextBox...
| On Monday, August 4th 2008 at 07:38 AM by Anonymous | No Replies |
ValidationSummary - PostBack Still Occurring
I am using a asp:ValidationSummary with ShowMessageBox="true" and ShowSummary="false" to validate some fields in conjunction with the asp:RequiredFieldValidator. Everything is working as I prefer...
| On Sunday, August 3rd 2008 at 03:58 PM by Anonymous | No Replies |
LINQ And FormView
I'm having difficulty connecting a FormView to a LINQ to SQL query for updating. I think this should be easy, but I've hit a dead end. I'm trying to drive a FormView with a LinqDataSource, allowing...
| On Friday, August 1st 2008 at 11:11 AM by Anonymous | No Replies |
OldValues And NewValues Collections Are Empty
When my FormView uses its ObjectDataSource to save changes, in the FormView's ItemUpdating handler, the FormViewUpdateEventArgs OldValues and NewValues collections are both completely empty. The...
| On Tuesday, July 29th 2008 at 09:16 PM by Anonymous | 1 Reply |
When Using System.IO.FileStream, I Write 8 Bytes, Then Seek To The Start Of The File, Does The 8 Bytes Get Flushed On Seek And The Buffer Become A Readbuffer At That Point Instead Of Being A Write Buffer?
When using System.IO.FileStream, I write 8 bytes, then seek to the start of the file, does the 8 bytes get flushed on seek and the buffer become a readbuffer at that point instead of being a write...
| On Monday, July 28th 2008 at 09:37 PM by DR | No Replies |
LINQ And FormView
I think this should be easy, but I've hit a dead end. I'm trying to drive a FormView with a LinqDataSource, allowing for the editing of a particular record. I've used the designer to build a LinqDataSource...
| On Monday, July 28th 2008 at 09:01 PM by Ben | No Replies |
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