Hi I have dragged a master and a detail table on the form. How can I now make the master table control the detail table in that proper detail records are displayed when a master record is selected from the Master BindingNavigator? Thanks Regards ...more >>

Is there a way to sort a datagrid without using Dataview? I would like to sort it by 3rd column but programmatically. ...more >>

I have created a form (Windows Forms) that opens several modeless dialogs. Sometimes they become covered by other (unrelated) applications and its annoying to click on each dialog to make them visible again. I would like all dialogs to become visible when main form becomes visible. Main form h...more >>

Hello, I am trying to make two forms appear active at the same time. I managed to make title bar of the deactivated form appear active by manipulating WM_NCACTIVATE message, however I am unable to make the active control on the form appear focused. Is there a way to do this? Thanks ...more >>

Hello, My insert results in two records - or better stated the temporary record (with the temporary ID value of -1) stays as the stored procedure returns the new record with its data base assigned ID value Below is shown the ID field and one data field. Notice the last two records shown. 1...more >>

Is there any way for a MDI child form to be notified when it's parent receives focus? In my example, I have a MDI application with several child forms, and one of them contains a "Paste from Clipboard" button which I want to dynamically enable/disable depending on whether there's actually any da...more >>

Hi, How do i communicate between C# and Unix? The scenario is as follows. I have a C program residing in UNIX box that does complex calculations and returns a result. I need to invoke this C program residing in the Unix box from Windows Client C# application through a button click event. H...more >>

Hi, I'm going some drawing via "Graphics" in a "Paint" callback and the commands will only manifest themselves if I minimise the window and then maximise it again. I'm new to windows programming and so I am obviously missing a lot of the basics when it comes to this sort of thing but my ...more >>

I am trying to implement simple(!) drag and drop on a Windows UserControl. I want to use Windows messages directly (using PreFilterMessage) to do this, rather than simple MouseDown/Move/Up event handling, due to other constraints in the system. The problem I have is that once I handle a MouseM...more >>

Can anyone point me to a resource that describes how to spawn a thread that allows an image (such as a rotating globe) to launch, while an application is processesing (probably on another thread)? My issue is that a user action (such as a double click on a row in a grid) is freezing my app ...more >>

Thanks in advance... I have a windows forms c#.NET app that runs in the system tray; I'm experiencing intermitent problems with when the end-user goes to Log Off, Shutdown, etc... For the most part the app always closes on these events but, there are times when the user has to reselect t...more >>

any New feature of VB.net 2005 and how to upgrade from 2003?...more >>

Hi All Is it possible to have Drop-Down calendar control in WinForms ? When I place calendar control in winform, it has fix size. I want drop down calendar which pops down I dont want to use date-picker ... Deep Silent Ocean...more >>

Running VS2005 Release Candidate, I'm having a bit of a headache with DataGridView row-level properties. If I try to make changes to row properties (e.g. myDGV.Rows[0].ReadOnly = true, or myDGV.Rows[0].Frozen = true) in the Form_Load, after databinding, the changes do not "stick". Stepping th...more >>

Hi, I am have an application which uses cotnrols and i want to expose it using browser in an asp.net application. What happens is if my control has fields declared those are from other dll (which is strongly named), It doesnt load. 1. Is there some known issues with refering types from o...more >>

There is a small but important difference in designer generated code for DataGridView columns. Beta 2: // // iDMaterialDataGridViewTextBoxColumn // this.iDMaterialDataGridViewTextBoxColumn.DataPropertyName = "ID_Material"; this.iDMaterialDataGridViewTextBoxColumn.HeaderText = "ID_Ma...more >>

I'm implementing a pop-up taskbar notifier window which is supposed to "slide up" from under the taskbar. It's working but its quite primitive. All I do is to create a timer which on every Tick (25ms), moves the position of the window up a notch. If the pc is doing nothing it scrolls accept...more >>

Hello all, quick question: If I've overridden both the "OnBeforeSelect(...)" and "OnAfterSelect(...)" methods of a Treeview control, and have: e.Cancel = true; in my OnBeforeSelect(...) method (in order to cancel the event), will the framework still call OnAfterSelect(..)?...more >>

I have a Winform that instantiates a class and then calls a subroutine in that class. This routine is extremely long and database intensive and I am trying to display its progress by raising an event each time a record is processed. The Winform is supposed to catch this event and update ...more >>

Is there a good way to get an arraylist of all selected rows in a datagrid without loop through all the rows of its dataview ??? I have a great number of rows shown on the datagrid. For the performance of the application I think it's no a good idea to loop through all the rows to test IsSelec...more >>

If the form dll is using, will the dll file locked and can not be overwrite ...more >>

Dear all, if we write the connection string in app.config, then it can be changed easily after deploying, but the password, and user name will be exposed to the client and posing a security problem to the sql server, any good advice to do this...more >>

Hi, what are the top 3 reporting tools used in windowsforms ? we use crystal reports, but it doesnt seem to handle stuffs like page breaks etc.. when exporting to pdf as good as it should be Thanks Subramanian ...more >>

If a company have a SQL Server and many retail store in other location. If the retail store doesn't have T1 connection and just broadband or modem to connect to the internet. Then the retail store have VB.NEt application installed and connect to the company SQL Server. Will this design have ...more >>

Hi How to implement MouseHover event in TabControl in WinForms... I want to select the Tab depending on which the mouse is, so that user does not have to click on Tab.. Thanks Deep Ocean......more >>

Hello, The first time I bind an array to a ComboBox, it works fine. But when I try to rebind to the ComboBox, it fails. I tried code like: this.BookList.DataBindings.Clear(); and this.BookList.DataSource = null; this.BookList.Refresh(); No luck so far. I don't get any error; just that ...more >>

Hi, Let's say there a bunch of textboxes on the screen, and there is a toolbar on the form (Infragistics). When a button is clicked, whatever field the user was last on needs to be validated, and then some work done based on what the button was that got clicked. The problem is, the valid...more >>

Hello, I've been working with the Windows Forms datagrid, and can't seem to figure out how to get the currently selected row when dealing with objects that have a Hierachy. For example we have a recursive tree like structure that consists of DecisionMakers. The objects we are dealing with...more >>

I am looking for a way to switch between different forms in my main form. In other words, I want a behavior where I can show different controls based on the selected context of the treeview. I thought I could do this with the tab control, but quickly realized that I can't hide the tabs. CodePro...more >>

Hi, I developed a console .exe application which is going to run on scheduled basis, it will be scheduled to run in Windows Scheduled tasks. Client wants some kind of utility that would help them manage scheduled tasks on different servers. So, how can I add scheduled task to local machine or...more >>

Hi, I'm brand new to writing managed .NET and I'm having some confusion following the simplest of tutorials as I believe that my application wizard in Visual Studio .NET 2003 may not be all it should be. I read "Open Visual Studio.NET and create a new WinForms application called HelloTea...more >>

hi all, In my windows application(C#) , i have two arraylists. I want to compare those two arraylist. Is there any way for that? Thanks in advance. Gomathi ...more >>

Is there a menu or utility that will export the data in a table as 1 sql insert statement per row, to a text file? ...more >>

Hi, I am experiencing this problem all over again: I pass some data to a form, so the form initializes its controls with this data. Now when the user use these controls to change data I trap the event and change the data so it is updated whit what the user selected from GUI. The problem is...more >>

Hi, I have a lingering reference to a form, that is created by a call to ShowDialog - what I'd like to know is how to remove the reference. Eg. Form1.cs private void button1_Click(object sender, System.EventArgs e) { long memBefore = System.GC.GetTotalMemory(true); Form2 f2 = n...more >>

I have an app that creates customer information and creates a pdf report. It ecrypts it and password protects it. The report is sent as an email attachment. THe report is confidetial. All of the pdfs open fine on local machine but customer gets errors when opened. This is documented at h...more >>

I have a form with various controls on it. After I load my DataSet and show the form, I make no changes to the data in the controls on the form. On close, I check to see if the DataSet HasChanges is True. However, it is always true after looping through all of the tables in the DataSet and ...more >>

I am working on an MDI Windows Forms application using C# and VS.NET 2003. The main form has a MainMenu with several MenuItems. The child forms displayed in the main form's client area do not have menus. The problem is that when the main menu is activated by pressing the Alt key and the u...more >>

How to access the full text of a cell when i mouseover on a DataGridView Cell. I need to get it like a tool tip when i mouseover on a DataGridView Cell. Any Sample code is greately appreciated. Thank you...more >>

Hi everyone, i have one application(windows or web application) that application should run when i logged into windows for example, when ever user logon to the system or windows my application should get the login and display as welcome "login name" so my application should run when anybody l...more >>

I have a control with a standard reaction to doubleclicks, that I would like to overwrite. In good old Win32 days this could simply be done by not calling DefWndProc for the event. I cant find a way to do this in WinForms Do you have a suggestion on how to handle this? Thanks in advance...more >>

hi guys. i have a question here. in the framework2.0. each control has a rendermode property. we can customerize these control (draw the control ourselves) by override these render class. But why we do that instead of directly overriding the control's paint event( like onpaint and onpaintbac...more >>

Hi, my functions is open "x" (mdi child form) form and close then but when i try (not exactly code): for i=0 to 5 x.show x.visible=false bla bla x.close next x is first showing a little on the screen and then closen rapidly but i don't want to see anything x form wh...more >>

i have a treeview that i set the checkboxes property to true. i don't want to display the checkbox for all the treenodes, just the ones that need them. is there a setting on the treenode that can hide its checkbox? ...more >>

Hello, Is there a way to compute the sum of a calculated field in a datagrid? What makes this situation particularly challenging is that the caluclated field is a complicated expression that depends on muliple fields and conditionals. The fact just mentioned makes in impossible to sum the s...more >>

I have a windows application (c#) which does not display any scroll bar (I really don't want it to!). However, I want to capture when the mouse scroll-wheel is used to "page-through" some of my data, without recourse to a scroll-bar. Can I capture when the mouse scroll-wheel is used? If so how...more >>

Hi I have a solution that has 2 windows forms projects: one a very simplistic form, and the other a stub to do nothing more than launch the first's form. I got the vb code and concept from http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnadvnet/html/vbnet10142001.asp Ive ...more >>

I have a VB .Net Windows Form application that was developed on a workstation with a screen resolution of 1280 x 1024, Normal DPI. After installing the application on other workstations I have found that the form no longer fits on the screen due to the display settings, form is now too large ...more >>

Hello, I have a WinForms application that needs to use a font size of 8.25. Everything on the form is spaced and organized around that size of font. The problem: A user has there system font size set to extra large and the form is all messed up. What can I do to enforce the font size se...more >>

Hello guys, i have created a VS installer to my application. Basically i want to add short cuts at the desktop and startmenu. i created the shortcut under the "Users Desktop" and "Users Start" but the problem is it is point to the folder of the installed application. How can i make it to po...more >>