Hi A problem is - how can I make that statement correct? - I would like to SELECT somenthink like that: String *SQLstatement = String::Format(S" SELECT * FROM Table WHERE Date = {0}", DateTimePicker1->Value->ToShortDateString() ); There is a String statement (*SQLstatement) so I concaten...more >>

I use the datagrid to display the results after a db search. But i like only entire rows (not cells) to be selected, and when somebody doubleclicks somewere on a row to have a doubleclick event for that row. ...more >>

Dear all, I'm writting a .net winForm application with C#, but I'm getting the following exception when the user scrolls a scrollbar. The strange thing is that the exception happens only some of the time, and seems pretty random. However, once an exception occurs with a scrollbar and when I...more >>

I have a base class that has a form that inherits from it. On this form is a control I need to get a handle to. How do I get this handle from the base class? I don't have a FindControl that i've been able to get intellisense on like I do in a web form. thanks for any help! ...more >>

Hi am about to create a N-Teir Solution Using SQL Server 200 as the Data Teir, XML Web Services as the Business Layer and Winforms as the presentation layer. I will be using Datasets that will peridically update the data back to the SQL Database. I wish to implement a Work Offline feature....more >>

I frequently define internal UserControl-derived classes in my WinForms apps: internal class MyUserControl:UserControl{ ... } I'll often need to embed these controls in a Form, whose class is contained in the same assembly as the control. As far as I know, the only way to do t...more >>

Here's one! I have a Tab Control that consists of 4 Tab Pages. These pages will be removed and added as needed as the user checks and unchecks certain checkboxes. On the Form_Load event, I am calling routines that populate the various ComboBoxes List's that are contained by these Tab Pa...more >>

Hi, I'm writing a check printing program that needs to put a MICR line 6/16" from the bottom of the page. Since the checks will be printed on a laser printer using letter sized paper the printable area is not actually 8 1/2" x 11". I'm using an HP LaserJet 4000 and it cannot print all the w...more >>

I have an app that is working well. It uses the weblclient class uploaddata method. Recently the server overhead increased causing communication timeouts to occur. How can I increase the client recv timeout value to get around this problem. Thanks for your help on this. Best Regards, Pau...more >>

Hello, I have created Application that has MDI interface. Indeed application works as it should, but I have question related to its design. Assume my application can change Zoom state of the opened document from the toolbar (toolbar for all opened document is the same). Which component o...more >>

Hi. I've got a little not typical problem right here. I would like to open using InternetExplorer ("iexplore.exe") my link from my application. I do it like that: System::Diagnostics::Process::Start(S"iexplorer.exe", S"www.wp.pl"); And it works, but problem is - I have to check does "iexpl...more >>

Hello, I am trying to control tooltips in my winform. I want to only turn them on when the user chooses a menu item called WhatThe. When they do I change the form's cursor to Cursors.Help and activate the tooltip. The problem is I don't want the user to actually be able to interact with the fo...more >>

Is there an equivalent of OnShow event for forms? I want to open a file open dialog immediately after my form is shown (modelessly). OnLoad and OnVisibleChanged do not suit me since it shows the file dialog before showing my form. Any ideas? ...more >>

Hi all, I have a WinForms application which works well on several machine, but shows truncated forms on a specific machine such machine has the same configuration as the others: Win2000 Pro SP3 and .NET Framework 1.1 Anyone has a hint? I have found only one message on this newsgroup on t...more >>

Hi, I have written a winforms program for a production environment. It runs 24/7. After a few days (2 'till about 10 days) i receive the following error (stacktrace included). The user sees red boxes with crosses in it and has to restart the application. I frankly don't have a clue about ...more >>

Hello, Everybody! I have problem in myListView control, inherited from ListView Class I try to calculate width of some Column in LisrView (Detail) when after resizing. For this purpose I override OnResize method (see code below) if I extend width of the MyListView - That's All OK. BUT if...more >>

Hi. I have MessageBox likt that: MessageBox::Show(S"string1",S"string2", MesageBoxButton::YesNo, MessageBoxIcon::Error); How can I get result of pressed button from that MessageBox - I trying to do something like that: if(DialogResult::Yes == MessageBox::Show(......)) { ...... } ...more >>

Could any body point me to a good example of populating windows treeview control from parent/child nested dataset? Thanks!...more >>

I have an odd problem with a combobox and selecting an item in it. I have a combobox that has handlers for both SelectedIndexChanged and also TextChanged. In the TextChanged handler, if the text matches one of the items in the combobox, the SelectedIndex for the combobox is set to that item. ...more >>

I'm currently populating combobox from one of the sql server tables (data binding). The combo box selection is optional i.e. user can either choose a value from the combo box or decide not to put any value for it. When I do the data binding combo box comes with default selection (first value i...more >>

Hi All, I understand that to get the items that are selected in a listview, you read the SelectedItems porperty of the list view. The type of this property is SelectedListViewItemCollection, and this type is meant to be defined in System.Windows.Forms.dll. But whenever I try use this ty...more >>

I would like to design a number of separate forms in Visual Studio, and then at runtime embed them into an area of another form (without borders and title bars of course). The forms will all be placed in the same area on the main form, and which forms are used is dependent on navigation choices ...more >>

Hi. 1. Have u got any solution to add data from DataSet or oleDbDataAdapter to ListView control, with no adding row after row but complex (big part of data) like with DataGrid control? 2. How can I add row after row from DataSet? 3. Is reader make read operation with SQL statement, to take ro...more >>

hi all i have created some usercontrols which contains a list fo controls, when i pick from toolbox and place in a form and then i cannot move the control anywhere else using mouse and by i can by CONTROL + DOWN OR UP keys any where i m missing ? regards sahridhayan ...more >>

I have read you can change a form to MdiChild or from MdiChild back to a normal form during run-time. I need to toggle a form between the two. If Me.IsMdiChild Then Me.MdiParent = Nothing Else Me.MdiParent = Me.Owner End If Me.MdiParent = Nothing works but Me.MdiParent = Me.Owner o...more >>

hi all i am writing a control using textbox, up on keypress i make the program to point to a list of values to select from a textbox, but textbox contains a highlighting cursor which i want to hide, but i want to receive all the keystrokes pressing and my textbox.text value should have all...more >>

hi I am trying to build a custom combobox type of control. I am not able to inherit from System.Windows.Forms.Combobox, as I need to override OnPaint, to draw a custom version of the fixed (not dropdown) part of the control), so therefore am deriving from control. How can I cause the lis...more >>

Hi everyone I m trying to create a dockable tool window, with similar= behviour as does the ClassView or SolutionView etc=2E of VS=2ENEt, I= need to make these windows "Pinnable" with a pin button on thier= title=2E I know there is a workaround of using form Icon as pin= button instead of h...more >>

How do I get the tabs to draw themselves on the top right in the tab control. I have looked at the tabcontrol.alignment but it only has top OR right. I have tried changing the Left and Right properities of the tab when it's being drawn but they are read-only properities. Thanks, --------...more >>

(Type your message here) -------------------------------- From: Maddy Balakrishnan Hi, I have the same problem but i'm using windows checklistbox in vs2003.net. But i can't find a properties datasource, displaymember.. as we have in combobox.... pls help me .. thanks in advance.. -----...more >>

Hey all, I have a situation. I am new to .NET and am having trouble trying to get the right syntax for something that is probably simple. I have a simple program that has a Timer. When the program loads, the timer starts. When the program is shut down ("X" or whatever) I want it to take the ...more >>

I have a C# app with a child window (let's call it WindowY) and a= PropertyGrid (the PropertyGrid is also a child of the app, not a= child of WindowY)=2E I used to have a System=2EWindows=2EForms=2ETimer= that would trigger a call into a C++ DLL (in the DLL is some= code to paint WindowY)=2E...more >>

Hi! I have a panel control where i need to handle certain mouse= events=2E I place a panel on the windows form and test it =2E=2E=2E it= works=2E Superb=2E Now i put this panel inside another panel (in a= container), thereafter the message handling doesnt work=2E Why??= any help is apprec...more >>

(Type your message here how to make events in vb.net -------------------------------- From: vipin sharma ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>eW7BEYJ8/EiV4nIzcNob/w==</Id>...more >>

(Type your message here) I have a MDI application with several child forms=2E At intial load= all the child forms have their WindowState property set to= Maximized=2E To switch between child forms, I am using a Window= menu item whose MDIlist property is set to true=2E My problem is= that w...more >>

Hi there, can someone clarify something for me please? I have a windows form class that contains a Font private member which is initialised (new'ed) in the forms constructor. The font is used in formatting a richtextbox control. Do I have to dispose of the font member in the forms Dispose me...more >>

hi, I have a derived DataGridColumnStyle, with a custom textbox. If i press left or right navigation keys, the custom textbox losses focus and move to other cell, instead of moving position between the character in the textbox (editing). Tried to intercept navigation keys by overridin...more >>

I have a custom control derived from button. One property is an instance of the following simple class, which is used to paint the button with different colors: Public Class Style Private _ColorStart As Color Private _ColorEnd As Color Private _ColorHighlight As Color Pub...more >>

Hello! I am creating a windows forms application using vb.net 2003, and was wondering, how can I display an image in each line of the listbox to the immediate left of the text? It should look like the URL address looks in internet explorer with the web page icon next to it... It will be t...more >>

I have a windows forms app which I would like to install to a shared drive and folder so that all the machines on our intranet can access it and run it without me having to go around to every machine in the building to run the install program. I deffinatley do not want 500 copies of all the file...more >>

Hi, I'm writing an add-in that adds controls to a form at design time. I got this working for visible controls on the form by getting an IDesignerHost for the form, and adding to the Controls collection of the RootComponent, but this doesn't work for components in the ComponentTray (I want ...more >>

Dear All, On one of our client machines the button Texts are all Left-Aligned, while it is Centre Aligned in the code...we are not able to reproduce this problem onour machines...what can be the problem? Please help... TALIA Many Regards Jack...more >>

Is there a way in vb.net to have the user browse to a file and return that file's name and path as strings? ...more >>

I am trying to use the openfilediaolog to open a file and read it one line at a time. openfiledialog returns a stream and from what I can see, streamreader is the only way to read a file one line at a time Anyone offer some guidance as to how to get around this. ...more >>

My application has a form which should display an image at an arbitrary zoom factor, and optionally draw other images (like layers in Photoshop) onto the 'base' image. The easiest way I can think of could be e.g.: ----OnPaint handler: // keep into account scrollbar position g.TranslateTransfo...more >>

Ive got an app with a treeview and to add a new node I have a context menu. My code will add a new node as a child of the currently selected node. If no node is currently selected (or the tree is empty) then a root node is created to the treeview otherwise it is created as a child to the current ...more >>

I'm experimenting with the attributes. I overrided the Dock property of my control and set a new DescriptionAttribute. However I was surprised that it still has the CategoryAttribute since it is still included in the Layout group, meaning it still has its previous attributes?. Is this the re...more >>

I am using the PropertyGrid and I have set the SelectedObject property to an instance of my custom class. One of the properties of the custom class is a bitmap. The PropertyGrid lets me assign a bitmap ok, but when I want to delete it, I cannot do it. For example, in Visual Studio when...more >>

Gentlemen, My question is simple. When my WindowsForm calls an Async Delegate which has a registered CallBack, is the CallBack always executed on the UI Thread? Or, do I need to test to see if it is? In my application (MDI), I have a main form that launches another form. When that child form...more >>

Hi all, I am looking to make an open source Drive space viewer. One that displays the sizes in a graph and lets you move through the directories via a treeview at the left. I have three questions i hope someone could help with: 1. The problem I have is tallying up the directories and ...more >>