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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.NET Windows Forms Controls Newsgroups
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WinForm ListView Problem
Hi All, I've got a ListView on a WinForm - and an imagelist bound to it and the images show up fine in Detail view, which is great. However, when I select an item, the icon disappears! When I deselect...
| On Tuesday, September 15th 2009 at 09:06 AM by Jarppi | No Replies |
Cannot Update Record In Access From Vb 2008
Hi guyz i am stumped when i run this query from VB query assistant it works but when i run this in the form code it doesnt work i have been stuck on it for hourws and hour started from a single executenonquery...
| On Wednesday, September 9th 2009 at 12:42 PM by Anonymous | No Replies |
DataGridViewComboBoxColumn - How To Enter New Values
Hi, I have a DataGridview with a column of type ComboBox. I setted this properties for this column: ColumType=DataGridViewComboBoxColumn. DisplayStyle=ComboBox and entered some values for...
| On Friday, May 8th 2009 at 04:34 PM by Daniel Ruzo | No Replies |
[x] Apples [ ] Oranges [x] Bananas CheckBoxList Multi-column/multi-row
Does anyone produce a WinForms control that mimics the multi-column/multi-row functionality of the ASP.NET CheckBoxList? [x]Apples [ ]Oranges [x]Bananas [ ]Grapes [x]Peaches [x]Pears I need...
| On Friday, May 8th 2009 at 01:03 PM by timo | 1 Reply |
Setting DataGridView Cell Properties
I'm having a problem with setting ReadOnly and ToolTipText properties for DataGridView cells. I want to set these properties on the RowEnter event but if I do this prior to any cell being entered...
| On Wednesday, April 29th 2009 at 01:16 PM by Anonymous | No Replies |
Datagridview Problem
Hello everybody, I'll be greatfull for any one helps me in my thread which is: I've a datagridview with readonly=true it's data auto generated from MS Access I want a specefied cell is editable...
| On Sunday, April 26th 2009 at 08:50 AM by mimo2005 | 1 Reply |
ToolStripPanel Control's Orientation
Hello All, I have some problem in what I am doing. I am having a toolstrippanel designed on the form with its orientation as horizontal. Code is : public partial class Form2 : Form {...
| On Tuesday, April 21st 2009 at 01:57 PM by ajit jha | No Replies |
Accept Button
Hi, I Have one form with one save button. I am using that form as base form for 16 forms. I Want That whenever user presses 'ENTER' Key Save Button Click Event get raised. It Will Work When I Set...
| On Thursday, April 16th 2009 at 07:52 AM by SukeshMarla | 1 Reply |
ListView, Unstable Image Size
I have a Visual Studio VB application (version 8.0) with a ListView set to display large icons. The tile size is 201,124 and the image size which was initially 43,124 is now 63,124 I can load...
| On Monday, March 9th 2009 at 06:25 PM by Anonymous | No Replies |
ComboBox, SelectedValue Problem
I have a list of clients: List clients = ReadClients(); //for sure I would like to bind data and select one item, I do: combo.DataSource = clients ; combo.DisplayMember = "ClientName"; combo.ValueMember...
| On Wednesday, February 25th 2009 at 12:10 AM by Mark | 1 Reply |
Timer.Start() Throws An Exception "Error Creating Window Handle"
Hello, We have a timer on a UI Form. It ticks every 300ms. Here's the method called when the timer ticks: private void timerPollPLC_Tick(object sender, EventArgs e) { timerPollPLC.Stop(); //........ //...
| On Tuesday, February 24th 2009 at 01:00 PM by Anonymous | 3 Replies |
Adding Context Menus To DataGridView Column Headers
Good day. Does anyone know how to add a context menu to a datagrid view control's column header? I'm familiar with Context menus and their .show method - I use them extensively in my app....
| On Friday, January 16th 2009 at 04:48 AM by Anonymous | No Replies |
Left, Horizontal Treeview Menu
can anyone check their ms visio 2k7, let's say open up a basic flowchart, we can the left panel of it, the "shapes", I would like to create the way that menu works, how the treeview menu collapse and...
| On Thursday, January 8th 2009 at 07:21 AM by itspecialistguru | No Replies |
ListView Behaves Different Under Windows XP / Vista
Hi, I' ve deloped a listview which can be sorted by clicking on a column header. To indicated the sort order (asc/desc) a little image is added to the clicked header. Thereby, the image of the previous...
| On Wednesday, January 7th 2009 at 03:55 PM by Bernd | No Replies |
Mixing English And Hebrew In A DataGridView
(Oops. Same question as before, but with the right login information so I can get replies.) Can you set the RightToLeft property independently for individual cells or columns in a datagridview...
| On Monday, January 5th 2009 at 04:22 PM by Anonymous | No Replies |
Mixing Hebrew And English In A Datagridview
Can you set the RightToLeft property independently for individual cells or columns in a datagridview? Here's the much lengthier explanation of what I'm trying to do: I have a simple application...
| On Monday, January 5th 2009 at 04:13 PM by Anonymous | No Replies |
DataGridView.ScrollBars = None Auto-scrolls When Columns Resized.
I am replicating Excel's splitter arrangement, which has led me to implement my own scrollbars. Unfortunately DataGridView resets the scrolling positions whenever a column is resized. I can reduce...
| On Sunday, December 14th 2008 at 07:08 PM by Oliver | No Replies |
Report Viewer Control
This is a multi-part message in MIME format. ------=_NextPart_000_000C_01C93B53.78C60EE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Can the report...
| On Friday, October 31st 2008 at 12:23 PM by Burton Roberts | No Replies |
User Control - Lost Focus?
I'm trying to trap for an event in my user control so that I can manage the state of the user interface. The control is used to enter data into a database. The control contains a tab control with...
| On Monday, October 27th 2008 at 11:37 AM by BrenB | No Replies |
UserControl Copy Paste Not Working
Hi All, I have created a user control that has a textbox and a button on it. For some reason this control will not let me Cut, Copy or Paste into the textbox. I load the control at runtime as...
| On Monday, October 27th 2008 at 10:14 AM by ink | 1 Reply |
OwnerDraw ListView Subitem Problems
Hi All, I have an ownerdraw ListView control. I'm trying to use an ownerdrawn ListView control to draw and display images in the second column of a listview which is set to detail view. I have...
| On Saturday, October 4th 2008 at 07:38 PM by James | No Replies |
Row State Not Working
Hi I have a winform db app that uses the following code to bind data source to the form fields; Private ds As MyDataSet Dim db As System.Windows.Forms.Binding Private...
| On Monday, September 22nd 2008 at 07:59 PM by John | 1 Reply |
Windowsless UI Components : SharpWidgetUI Released
Have you ever dreamed about having more lightweight Windows Forms applications? I had this dream. I searched the reason of this weight problem and started to think about a new component infrastructure...
| On Friday, September 19th 2008 at 02:44 PM by Aflava | No Replies |
Unable To Get InkPicture To Work On XP SP2
Hello All, I am working a large project that uses InkPicture to allow the user to sign a form. On some of the PCs & Laptops, the InkPicture does not recognize the mouse. The mouse pointer...
| On Thursday, September 4th 2008 at 05:07 PM by Robert Linder | No Replies |
AutoSize And AutoScroll Not Playing Nice Together
Hi, I am having trouble getting a TableLayoutPanel to show a scrollbar when its contents exceed the height of its parent. I'll post some sample code at the bottom of this post. My setup is as follows...
| On Tuesday, September 2nd 2008 at 04:28 PM by longbrmb@gmail.com | No Replies |
Child Controls Are Visible & Take Up Layout Space But Will Not Draw
I have a user control that contains a FlowLayoutPanel. At runtime I dynamically add other controls to this panel (I've also tried using a regular Panel with manual positioning but run into the same...
| On Sunday, August 31st 2008 at 02:06 PM by Neal | No Replies |
Displaying Text In A RichtText Control Problems,...
Hi, i have text like this: "ACPI\GENUINEINTEL_-_X86_FAMILY_6_MODEL_13\_0" an after displaying it in a RichTextBox as RTF string, i get this: "ACPI_-_x86_Family_6_Model_13 " How can i enclose...
| On Thursday, August 28th 2008 at 03:37 PM by =?iso-8859-1?B?S2VyZW0gR/xtcvxrY/w=?= | 1 Reply |
How Do I Create A Simple Table? DataGrid Seems Very Complicated
I'm relatively new to Windows Forms, so I haven't figured out how to do certain things yet. I come from the Java world with Swing and SWT. I am trying to create a simple table that is used to configure...
| On Tuesday, August 26th 2008 at 04:54 PM by longbrmb@gmail.com | 4 Replies |
Emulate The Show Unicode Control Characters Context Menu Item In
Hi all, I have written a small Windows Forms application in C#. The main window contains a Label control to which I have assigned a context menu. However I would like to provide the 'Right to...
| On Wednesday, August 20th 2008 at 04:54 PM by Chris | No Replies |
Propertygrid And Spin Button
Hi all, does anybody know if it is possible to use a spin button in propertygrid cell? Thank you, Petr
| On Wednesday, August 20th 2008 at 04:16 PM by mikrogen | 1 Reply |
ParentControlDesigner
How to Overrides MouseDragtool and please provide an example if possible also give more details and expalination of this property regards
| On Tuesday, August 19th 2008 at 04:32 PM by a_pess | 1 Reply |
AxWebBrowser And C#
Hi, I transfered VB.NET code to C#. My program uses AxWebBrowser for simple web browsing. In VB I can mark text and copy it to clipboard. In C# the page comes to Browses as before but it is...
| On Friday, August 15th 2008 at 07:45 AM by Jake | No Replies |
Validation Controls
Are simple validation controls available for WinForms apps ? Any recommends ?
| On Monday, August 11th 2008 at 08:21 PM by John A Grandy | No Replies |
Custom Control Designer
i have a custom control which has its own designer inherited from ParentControlDesigner, actually everything is going fine, but i just need a small help when added another control in my custom control...
| On Sunday, August 10th 2008 at 07:41 PM by a_pess | 1 Reply |
Setting Focus From A TreeView.NodeMouseClick
Hi; I am trying to set the focus to a ComboBox when a user clicks on a node in my tree control. I call the following code (cbValue is the ComboBox): bldr.cbValue.Show(); bldr...
| On Sunday, August 3rd 2008 at 05:52 PM by David | 2 Replies |
Preventing Typing In A DataGridView Cell
I've got a DataGridView in which I need to decide at run time, whether or not to allow someone to type text into a particular cell (based on a value from another cell in the same row). It appears the...
| On Wednesday, July 30th 2008 at 07:01 PM by CSharpner | 1 Reply |
Datagridview
Hi everyone. I have a datagridview associated with a dataview as its datasource. I use an external to the datagridview command which updates some records in the database. How can I force the datagrid...
| On Monday, July 28th 2008 at 09:41 AM by George | 1 Reply |
Webbrowser - Fill Form
Hello. I use VS 2005 and winform app. It is simple app with one button and webbrowser object. I open some link in this webbrowser and when i click on the button it should fill login and pass in...
| On Wednesday, July 23rd 2008 at 08:42 AM by Anonymous | No Replies |
How Do I Set The Location Of A Pop-up Form?
I try creating it, setting Form.Location, and then calling From.Show but it ignores the Location I set. thanks - dave david@at-at-at@windward.dot.dot.net Windward Reports -- http://www.WindwardReports...
| On Sunday, July 20th 2008 at 09:18 PM by David | No Replies |
See Dot Net Interview Questions Freee
..NET database dev questions http://freedownloadablebooks.blogspot.com/2008/03/net-database-dev-questions.html Some general quickies http://freedownloadablebooks.blogspot.com/2008/03/some-general-quickies...
| On Tuesday, July 15th 2008 at 07:55 PM by pandu | No Replies |
Uncheck A Checkboxcolumn In Datagridview
I posted this somewhere else, but not sure if this might be a better place to ask: I've got a checkbox column in a datagrid view that I'd like to be able to validate, and if they've checked this...
| On Tuesday, July 15th 2008 at 09:32 AM by HockeyFan | No Replies |
Custom Component Events Needs Invoke
Hi, I have a custom component I have written that uses its own thread for communications. I have exposed several events from the component to be consumed by the containing form etc. When the...
| On Tuesday, July 15th 2008 at 06:54 AM by Anonymous | No Replies |
Substitute For Microsoft Script Control
I am using the Microsoft Script Control on a VB.Net winforms form, and I use it to evaluate text based calculations that come from a database. For example, it evaluates "1+1" or "True And False Or...
| On Monday, July 7th 2008 at 05:59 PM by Derek Hart | No Replies |
Applying Office 2003 Styles In .net
Hi I wish to applay Office 2003 styles to my windows c#.net application. How do I do this. Thanx Robert
| On Thursday, July 3rd 2008 at 12:02 PM by Anonymous | 2 Replies |
Need A ListBox Of Controls
Hi; I need to create a ListBox where each line in the list box has: 1) optionally a check box - and I need an event when it is (un)checked 2) an optional spacing - the width of the bitmap listed...
| On Sunday, June 29th 2008 at 06:06 PM by David | No Replies |
Cannot Initialize DataSource Of Inherited DataGridView In Constructor
The following code does not work properly class dg : DataGridView { private BindingList bl; public dg() { bl = new BindingList(); this.DataSource = bl; } } If I add...
| On Wednesday, June 25th 2008 at 01:19 AM by MQ | No Replies |
Incremental Search Combo
I am after an incremental search combo that can be used for searching through potentially thousands of records. The way it should work is that as the user types it dynamically loads records from the...
| On Sunday, June 22nd 2008 at 09:41 PM by Craig | No Replies |
Can't Derive From System.Windows.Forms.TreeView
Hi, I'd like to create a specialized version of = System.Windows.Forms.TreeView. But creating a class and deriving from = TreeView doesn't work. I can't drag this new class onto a Form or store =...
| On Sunday, June 22nd 2008 at 09:38 PM by Axel Dahmen | 2 Replies |
How To Refresh A Computed Column In DataGridView Before Leaving The Row ?
Hi all, I'm using a DataTable with computed columns as the source for my DataGridView. When I change the value used by the computed column, the computed column is updated only when I leave the...
| On Thursday, June 19th 2008 at 06:30 AM by Patrice | 1 Reply |
Deadlock When Using WaitOne In A STA Thread
Hi, I have the problem described bellow with the calls to WaitHandle.WaitOne causing re-entrancy on main GUI thread (STA) of a .NET application and I would like to find out: - did anybody else...
| On Tuesday, June 10th 2008 at 06:41 AM by Daniel Cuculescu | No Replies |
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