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.
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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 Data Binding Newsgroups
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Klip
VS2005 Panel With Bound Controls
I'm working on someone elses project and there is a form with a panel control with bound controls bound to a binding source. I want to add controls to this container and bind some of them to a binding...
| On Monday, November 2nd 2009 at 05:11 PM by LightStamp | No Replies |
Data Is Data Grid View Not Propagating Back To The Database
I am trying to use LinqToSql with SQL Compact 3.5 .sdf database. I created the database and successfully added the file to my project. I used SQLMetal to generate the .DBML files, and that seems to...
| On Sunday, October 11th 2009 at 06:02 PM by Anonymous | No Replies |
DataGridViewComboBoxColumn Displays ValueMember In Stead DisplayMe
Hi, I bind my datagridview to a bindingsource at runtime. I manually add an extra DataGridViewComboBoxColumn to the datagridview, which I bind to another datatable that is not in the datasource...
| On Wednesday, October 7th 2009 at 12:16 PM by Anonymous | No Replies |
Dataset.tables().clear With Databindings
VB .NET 2008 I have a problem, i have configured a dataset and dataadapter, when i update or insert data in the database i call an function : objeto.ActualizaCamiones(StoreUpdate, IdTabla, sID...
| On Friday, June 26th 2009 at 01:46 PM by Anonymous | No Replies |
DataRow Changes
Hello NG When i set up the databindings on by winform i'll get some unnecessary row changes. For each row that has been displayed on screen, the row gets status Row.RowState = Modyfied. Code...
| On Monday, June 22nd 2009 at 03:24 AM by Microsoft | No Replies |
Databinding Radiobuttons
I have a form with 3 radiobuttons, they are bound to 3 boolean fields on the datasource (in this case an Entity Framework entity) The problem is this, I click the first radiobutton and it gets checked...
| On Thursday, June 11th 2009 at 05:53 PM by Mark | No Replies |
SortableBindinglist Datagridview No Sort After List Update In Program
Hi, i hope im in the right group for this.... i have a collection of custom objects which inherits SortableBindinglist (got this implementation in the internet from msdn i think). This collection...
| On Friday, June 5th 2009 at 09:05 AM by Georg Hickel | 1 Reply |
DataBinding In A Child Form
I am working in VS2008 w/ .Net 3.5. The DataSet working great, there are three tables with relationships defined, one parent (ChoiceSet) and two children (Options and Users). On the main dialog everything...
| On Monday, May 18th 2009 at 12:09 PM by Cartoper | No Replies |
DataGridViewComboBoxCell Displays Only First Item In List
I have a DataGridView with two columns, both of which are DataGridViewComboBoxColumns. The DataSource for the grid is a DataTable and the two fields are strings. I populate the combo box cells with...
| On Thursday, May 14th 2009 at 09:20 PM by Anonymous | 1 Reply |
Databind Controls On TABControl
Hello NG How to force databind to update controls on TABPAGES that is not been displayed yet. The way i solve this is by setting the tab control selected page and then set is back to the first...
| On Tuesday, May 5th 2009 at 04:26 AM by J E Jensen | 1 Reply |
Setting DataGridView Cell Properties
I think this problem I'm experiencing is Data Binding related so I'm reposting this message to include this group. I'm having a problem with setting ReadOnly and ToolTipText properties for DataGridView...
| On Friday, May 1st 2009 at 11:44 PM by Anonymous | 1 Reply |
Databinding And Usercontrol
Hi all, I'm experimenting with databinding to a usercontrol I created. I have a usercontrol wit a textbox and a datetime picker. The control has a Public property text which in fact is the text...
| On Monday, April 27th 2009 at 04:51 PM by Joost | 2 Replies |
Problem With BindingSource With DataRelation Object
I've a problem to use BindingSource objects to bind data on my forms. Dokumentation available on MSDN does demonstrate using for Parent- Child situations. In theory we need tables A and B in the DataSet...
| On Saturday, February 28th 2009 at 08:56 PM by loriksan72@mail.ru | No Replies |
Why My Databinding Is Readonly
Hello, I am trying to learn about data binding in winform. I created a database in Access and add it to my project. I add a DataGrid to a blank from and set its data source to a table in my database...
| On Friday, February 27th 2009 at 07:02 AM by m.a | 4 Replies |
WPF - Binding Sibling Listview Columns Controls To Eachother
Hi, I'm trying to bind a itemsSource of a combobox to another combobox selectedItem. However both comboxes are actually inside a diffrent columnTemplates of a listView:...
| On Thursday, February 12th 2009 at 01:05 AM by Anonymous | No Replies |
RE:Recent C Technology News!!!
Hi, There is an interesting technology news here at tekwits. Thought you would be beneficial if you read this=85 Get the latest industry news about C Programming. (http:// c.tekwits.com) has more...
| On Monday, February 2nd 2009 at 07:12 AM by Tekwits | No Replies |
What Is Wrong With This Stringformat Expression In WPF?
I don't seem able to get this label to display "Against TeamXXX" as tooltip. I just get "TeamXXX".
| On Saturday, January 17th 2009 at 07:01 PM by Anonymous | 1 Reply |
Manual Databinding
Hello NG On a form i have several textboxes (text1, text2 ect) each textbox is bind to a dataset's first table like this. text1.databindings.add("Text", _DataSource.Tables[0], "FirstVaue"); text2...
| On Thursday, January 8th 2009 at 06:15 PM by JJ | No Replies |
Not Saving Data To Physical File
I have code that updates the datatable correctly but it is not writen the physical Access database. I have more or less exactly the same code on another table and it works correctly. I am using...
| On Thursday, November 27th 2008 at 03:51 AM by Anonymous | No Replies |
Question About Data Binding From Custom Business Objects To
Hi. I'm wondering what's the best way to handle data binding between Custom Business Objects and the DataGridView when some of the values (ints, DateTime, etc.) could be null. One place where you...
| On Tuesday, November 25th 2008 at 12:37 PM by Dave | 1 Reply |
How Does Databinding Depend On GetHashCode()? - Only Updates When
Dear all, I could need your help on following issue: I have some dataObject databound to a custom trackBar control. If I edit the dataObject with the control, everything is perfect, all other views...
| On Wednesday, November 12th 2008 at 10:20 AM by Michael | 1 Reply |
About Databinding Of Datagrid
Dear all : I have some problem about databind, in design mode, I have create datagrid with 4 columns. Menawhile , I have create the datatable with 8 columns If I bind this datatable to datagrid...
| On Saturday, November 8th 2008 at 05:01 AM by Michael Yip | No Replies |
Large Dataset Paging And Binding
I have what seems like a fairly common problem -- getting results back from a database in small pages, yet letting the user browse over the large list. I hope someone can point me in the right direction...
| On Thursday, November 6th 2008 at 02:20 PM by Jim | No Replies |
Data Binding Controls And Record Changes Question
Dear All, I am having a bit of a strange problem with some new forms that I am trying to write. I hope some of you have come across this and know of a solutions or methodology to rectify this!...
| On Sunday, November 2nd 2008 at 04:17 PM by Anonymous | No Replies |
C# - Change Connection String At Runtime
I am new to the .Net environment. I created a C# app that I want to distribute and stored the ConnectionString in the configuration file. I refer to it using ConfigurationManager whenever I need...
| On Saturday, November 1st 2008 at 11:42 PM by Anonymous | 1 Reply |
DataViewManager
I have an app which fills a DataSet with parent and child tables, creates relationship between the two tables, uses a the default DataViewManager to set the default DataView settings, and binds a...
| On Tuesday, October 28th 2008 at 06:06 PM by Anonymous | No Replies |
Wierd Problem With Tabs
hi everyone: i have been loosing data in my database recently. i have a customer form with about 6 tabs on it. by default, the first tab shows (obviously). im not sure what changed, but i discovered...
| On Friday, October 24th 2008 at 06:07 PM by Jack Dempsey | 1 Reply |
Programmatically Reset Settings In Settings.settings
I've inherited an app that utilizes TableAdapters ... I don't know much about these beasties but what I know I don't like. Unfortunately, I don't have time right now to re-engineer and get rid of...
| On Friday, October 10th 2008 at 02:09 PM by John A Grandy | 1 Reply |
InvokeRequired Required In Setters On Databound Custom Object
I've built a custom class with a number of properties that are being databound to user controls on WinForms. It is possible that a setter will be called from a thread other than Main. Do all the...
| On Monday, September 29th 2008 at 07:18 PM by Anonymous | No Replies |
Binding To Navigation Property Paths In Entity Framework
I am trying to bind to a path via a navigation property, e.g. I have a EntityObject called 'Device' with a navigation property 'Location'. Then the Location object has a field 'Name'. So with DataContext...
| On Tuesday, September 23rd 2008 at 09:47 PM by Anonymous | No Replies |
DataGridView Will Only Handle 3 Data Rows
I've got a DataGridView on a winform, databound to a typed dataset. When I set the datasource of the grid, I can see the number of rows in the dataset and the number of rows in the datasource and...
| On Tuesday, September 23rd 2008 at 05:28 PM by Anonymous | No Replies |
How To Store Dataset
Hello, I've been working with .Net for a long time, but always with Asp.Net, I'm just starting tp work with the Windows forms. The problem I'm facing now - how to store a dataset between sessions...
| On Tuesday, September 23rd 2008 at 01:48 PM by Peter Afonin | 1 Reply |
DataMember Property '[name]' Cannot Be Found On The DataSource.
My class has a property which returns an Object which comes from a 3rd party API. This API is added as a reference to the project and appears to be operating normally. I can bind my class to a...
| On Monday, September 22nd 2008 at 05:43 AM by christopherdeanlawson@gmail.com | 1 Reply |
Class Designer Error
Dear all, I was using the Class Designer and Created Multiple Classes inside it. The Error "Type Cannot be found" appeared How can I relink the Class inside the Class Designer with its generated...
| On Wednesday, September 17th 2008 at 09:01 PM by Cypher Drive | 1 Reply |
TextBox DataBinding Issue
Hi, I am have problems binding textboxes to a custom object data source. I am posting the code below and if any one can give a clue of where i am going wrong, i would really appreciate it. The...
| On Friday, September 12th 2008 at 06:51 AM by arunairs@gmail.com | 1 Reply |
Changing Combobox's Datasource, Then Enter It(focus) And Leave
Hi everyone! I observe a freaking strange behaviour of a combobox databinding. I isolated it to this situation: We have a standart scenario, a user control/form with a combobox, SelecedValue bound...
| On Friday, September 12th 2008 at 04:08 AM by buddha_bg | No Replies |
C# Triangle Of Pascal
c #: Implementing the method Int [,] TrianglePascal (int n) which returns the triangle to the level of Pascal N. public static int[,] TrianglePascal(int n) { int[,] arr...
| On Monday, September 8th 2008 at 02:08 PM by J | No Replies |
Binding Custom Property On A Textbox
Dear All, Is it possible to bind a gridcontrol and textbox to a cutomized class. Ex. Class Employee Property Name Property Address Bind to a grid control and textbox on a Form...
| On Sunday, September 7th 2008 at 08:26 PM by Kilo | 1 Reply |
WPF Data Binding To An Object
Hallo Everyone, I am trying to data bind an object data source to a ListBox in WPF. But I am having a problem populating the object. I would like to populate the DataProvider object inside this...
| On Tuesday, September 2nd 2008 at 02:01 AM by Anonymous | No Replies |
Great Forum
im assuming it is a major bug then. bound forms suck
| On Friday, August 29th 2008 at 11:00 AM by George Hardy | 2 Replies |
Form Is Erasing Data When Calling EndCurrentEdit. Please Help!
hi all, this is probably a stupid question, or im missing something. I have a customer info form, bound. I load with the following: -------------------------- FillCombos() 'fills combo boxes...
| On Wednesday, August 27th 2008 at 02:04 PM by George Hardy | 2 Replies |
Dependency Between ComboboxColumns In Datagridview
Hi all, I want to use a Datagridview to edit a table where employees enter the amount of time they spend working certain projects. Each project is divided into several sub projects. Projects are modeled...
| On Tuesday, August 26th 2008 at 12:47 PM by Stephan | No Replies |
Inherited Interface And Bindinglist
Hi All, I am using a generic Bindinglist . The class type of the objects in the generic list is derived from a base class. This baseclass implements three properties of the base interface. The derived...
| On Tuesday, August 26th 2008 at 07:48 AM by Anonymous | No Replies |
TableAdapter Hell
I don't know squat about visually designed data components ( which I think are a terrible idea, btw ). You know, TableAdapters , BindingSources , etc. I've inherited a WinForms app that makes...
| On Monday, August 25th 2008 at 02:56 PM by John A Grandy | No Replies |
Adding A Data Bound Combo Box
Can a data bound combo box be added to a toolstrip such as a bindingnavigator. I can add the toolstrip item, but the databinding properties are not present. You also cannot drop a databound text...
| On Thursday, August 14th 2008 at 03:35 PM by Anonymous | 3 Replies |
Radio Button Programmatic Binding
Dear Sir/Madam, How do I bind a radio button to a Dataset? Please help me out. This Code generates an error Message. IsActive is a boolean Field on an SQL Table Me.rbActive.DataBindings.Add...
| On Monday, August 11th 2008 at 01:31 AM by CypherDrive | 5 Replies |
DataGridView Firing Way To Many SelectionChangedEvents! Please Help
Hi all, I'm really hoping someone can help me with this as it's causing me some serious problems. I have a Windows Forms application using the gridview control. When the user selects a row,...
| On Sunday, August 10th 2008 at 03:41 PM by Simon | 5 Replies |
Databinding After Identity Field Update
I have a form with a lot of simple databinding controls on it and it is bound to a view. The table used for databinding has an identity field. The application is distrubuted so after a a record is...
| On Friday, August 8th 2008 at 09:04 AM by goHawkeyes | No Replies |
DataGridView BindingList And CellFormatting And CellParsing
I have an object that inherits from BindingList that I'm using as a data source for a DataGridView. The items in the BindingList have 2 properties which are enums. I'm using the CellParsing to assign...
| On Wednesday, August 6th 2008 at 08:51 AM by Joe | 2 Replies |
Walkthrough: Displaying Related Data On A Form In A Windows Application
Hi! Using VS2008. When I follow this walkthrough (although I actually used two DataGridViews) I get the expected rows in the CustomersDataGridView and only a "new" line in the OrdersDataGridView....
| On Thursday, July 31st 2008 at 03:18 PM by CindyW | 1 Reply |
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