How to set up row number or column number in DataGrid ? For example, i want grid to have 2 columns and 2 rows. Also how to remove fixed column ? Thank You ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>9B8J8MnLT0yQCcQZQT30fw==</Id>...more >>

I can't seem to make ShowMessage work in my application. I am using the sample code in VS 2003: using System.Windows.Forms.Design IUI Service UIservice = (IUIService)this.GetService( typeof( System.Windows.Forms.Design.IUIService ) ); if( UIservice != null) {UIservice.ShowMessage("M...more >>

Pressing Ctrl key and down arrow shortly thereafter in a textbox, anyone can tell me how? Can detect one key down but not combination of both. Any help would be appreciated RD ...more >>

I want to simply capture changes to a TextBox and perform some processing when the user has edited the text. The TextChanged event fires even while the user is editing the text, but I only want to perform my validation when the user finished editing the text and moves off the field (tab, en...more >>

Hi, does exist a free alternative of the System.Windows.Forms.MonthCalendar window control?? Thank you...more >>

Hi, My controls inherits from System.Windows.Forms.ComboBox, After i build the project, i cannot find it on the toolbox. I find the toolbox automatically adds usercontrols. Why not inherits controls? Maxixi ...more >>

I am working on a datagrid with a lot of columns of data. I would like to be able to freeze the initial columns (Name) like in Excel, but that appears to be too complicated. So what I am doing instead, is based on the row the user is currently Mouseing over on the datagrid, I do hoverText wit...more >>

So here's the scenario: I've got 2 ListViews, one above the other. These are inside of a ScrollableControl. When the 2 ListViews are large enough, they cause the ScrollableControl to display a vertical scrollbar. The problem comes in when I change the focus from one ListView to another. I...more >>

I have a CheckedListBox control whose DataSource is bound to an ArrayList. I'm trying to persist the checked state of the items in the list box across invocations of my application. Serializing the data to disk when the application closes works just fine. However, when I try to re-set the ...more >>

I have a RichTextBox control in a C# application. I am going through a loop that spawns processes and outputs data to the richtextbox before and after each spawn occurs. The odd thing is is that the rich text box is not being updated till after the looping of spawned processes occurs. I'v...more >>

DataGrid control contains GetChanges() method to get a DataSet of rows that have changed. I would like to write a method GetSelectedRows() that returns a DataSet of selected rows (may be multiple rows). I tried to do this by extending the DataGrid control and writing the following method: ...more >>

Hello, I've taken a button component and extended it's functionality by adding a couple small methods and properties. This control is contained within my project tree and has been used on various locations of my form. Now, I want to add another property to the control. In doing so I had hop...more >>

I have a DataGrid that is bound to a DataView and everything seems to work fine. When the user clicks on a cell the entire row gets highlighted, however when the user decides to sort the datagrid things go wrong. I have added code to ensure that the row of data the user had selected gets re-...more >>

I am trying to databind a checkedListBox to a dataview. The databinding works to certain degree with the different list of "Display Names" from the dataview being displayed as check boxes in the checkedList control. The problem is that when setting the "ValueMember" property for the control ...more >>

Hello.. can anyone help on how to make a button that has one image an when mouse over another image like a web rollover? I need some code if there is availablre.. Thank you all! Marcos ...more >>

Is there any sample that implemented PropertyGrid and Password Field ? TIA. ...more >>

Hi, I have a custom control which works on a custom Design-Time surface in my application which is created using IDesignerHost and other necessary interfaces... I need this control to receive drag-drop notifications...I tried several approaches like applying my custom controldesigner to ...more >>

Hi, Can anyone help, I want to get a reference to a combobox item based on the item's value rather than the text (basically what I am asking is, is there a function like 'FindStringExact' for values) , does anyone know how to do this? Thanks, Nicky ...more >>

Does anyone knows how to extend the date time picker/ monthcalendar to present diffrent backgroud colors to diffrent dates ...more >>

Hello all, I have a text box and a digit value. i want to set the cursor to digit value inside the textbox. eg. if digit value = 2, i want to set the cursor position to 2nd character position inside text box. Pls help me in this regard.. -------------------------------- From: Nagendra Gunaga...more >>

Hello, How can I do a listView with transparent background and visible icons or with image background and icons over background? Thanks. Victor ...more >>

Hi There, I've looked around the Internet (mainly on codeproject.com as it think the website is ace) for a control that can have a standard button, and an image drawn on that button, for example there are buttons like this in Nero Express 6. I've found solutions to this, but they all seem t...more >>

I am trying to hide a tab on a tab control but the Hide() method has no effect. Am I missing something or is this broken? ...more >>

Ok, now I have done it. After reshaping and adjusting the widths of my tabs (the top part that sticks up), I discovered that the mouse clicks are responding to where the original tabs were. So I went down the road of capturing the WM_NCHITTEST msg, determining if the point is in one of t...more >>

I'm writing a framework component, and I would like to be able to determine if a particular event has been delegated or not. By event delegation, I mean: control.event += handler (method); I want to know if the event has already been delegated or not. Even though events use the "+=" syntax...more >>

Does anyone know or have heard of a GIS Mapping SDK called "Ti-Tuk",....not sure of spelling. Links or any information in regards to .net mapping SDK's is appreciated. Thanks. ...more >>

I've started getting an 'Object reference not set to an instance of an object' error when working with a listview (trying to access the selected item). The specifics - there is only *one* item in the listview when I get this. Here is some output from the immediate pane that I entered while ...more >>

Is it possible to have File, Edit, (...) menuitems anchored to the left hand side of the mainmenu, and Help to the right hand side?...more >>

I asked this on another thread and got no response, so I am trying here. I want to drop down a combox when the mouse enters and collapse it when the mouse leaves. I tried using the MouseEnter event to do the drop down but when the mouse is moved quickly, this event is not fired. I dont know w...more >>

Hello, Please could someone help do the following using a datagrid and VB .NET: Click the top left cell of the datagrids header to select all the rows in the datagrid (similar to Excel) and also give the user the option to copy the entire datagrid so if they wanted the could choose to past...more >>

I have a usercontrol based on datagrid. Can someone tell me how to explicitly fire the CallCurrentCellChanged event? thanks... -- Message posted via http://www.dotnetmonster.com...more >>

How would I highlight a DataListItem with a MouseHover? In addition to highlighting the it, I would also like to display a tooltip when hovering over the DataListItem (one pertaining to that item). Sounds easy, but I can't seem to get it to work. Thanks, Sacha ...more >>

Hi, I'm making some User Controls, and one custom control depends on another custom control... So , I have something as this in UserControl1 text1.text = UserControl2.MyFunction("myparameter")... If I launch the app, it works fine, but if I go to the form where both User Controls are...more >>

So, I'm working a simple custom control example from the "Microsoft .NET Compact Framework" core reference. Its the Clickable label example. The control actually works but I can't get the "designer" to do its job. When I add the control to the toolbox it displays but is disabled. (I have also...more >>

Hello, does anyone knows a good site for downlaoding free controls? I´m searchng for good menus, like office 2003, and a better listview. Thank you ...more >>

I tried to make the TabStop to false for LinkLabel. But somehow it does not work. Any reason why this happens?? Thanks, Madhavi ...more >>

Hello, Working in C# with TreeView and datatable I need to add the record ID for each datarow to the corresponding TreeNode, but to keep it invisible to the user (can not use text property). For example, a table has 3 columns (recID, Name, Address). Need to add "Name" as a node, "Address" as ...more >>

I need to put linklabels in a datagrid on a windows form. I have working code that displays a linklabel in edit mode but need the linklabel to display DURING the INITIAL LOAD of the datagrid. For exmple: Microsoft Website www.microsoft.com Google Website www.google.com Yahoo...more >>

Hi, I am trying to use tab characters in the tooltip text. However the tooltip display stops at the first tab. Is there a way to use a tab character(chr(09)) in the tooltip text. It does handle linefeeds(chr(10)). The text has multiple lines. Thanks -- Robert Pfeffer VP of ...more >>

Hi all I have application developed in vb.net containing multiple threads running at a time. If i run application 5,6 times then application is getting closed automatically and at a time of closing application exception is getting thrown whose stacktrace is as below:- at System.Windows.Forms....more >>

I am trying to change the standard anchoring of a control from top, left and get an error "Object type cannot be converted to target type." when I do this via the Visual Studio IDE. Doing it code works fine, but changing it via the IDE properties window to any of the other anchor options, top ...more >>

The ability in the designer to add standard items to a toolbar doesn't seem to be available yet in VS beta. Where can I find the image files so that I can add them myself?...more >>

in the SelectedIndexChanged how can we know which is the previous tab or control that the user came from? I know we could put code in "on focus lost" to set it to the previous control, but is there any c# method that lets us do it ? Thanks HS ...more >>

Hello! Regarding a known Microsoft bug BUG: ComboBox Does Not Clear When You Set SelectedIndex to -1 (KB327244) I would like to ask, has anyone found a solution for this nasty bug, because the one Microsoft offers is just shit and does not work. I have a simple ComboBox bound to a DataTa...more >>

Form.ClientRectangle doesn't seem to account for the menu, statusbar, docked windows, etc. How do I get the rectangle of actual available space in a form?...more >>

I'm trying to solve a problem I've got with the collectioneditor return values. When the collection editor returns, it returns a list of objects from the EditValue function. Where does it go from there though? I can't seem to catch where it's setting it into my Collection class at all. The...more >>

I have code the code below cb_SubProduct.SelectedValue = (string)dg_LicenseList[row,col]; At the point this line of code is executed, (string)dg_LicenseList[row,col] has a valid value. The combobox cb_SubProduct has a DataSet as its datasource. The dataset has 6 rows in it and the value(str...more >>

How do you prevent multiple mouse clicks on a button from running a process multiple times? I have tried setting up a busy flag. I have also disabled the button while running the process. Example code listed below: The following code does not prevent a fast double click on the button a...more >>

I am doing a project using vb .net. In that project i used a listView control. But i don't know how to programaticaly scroll the ListView control.If any one knows please tell me. -- Message posted via http://www.dotnetmonster.com...more >>

Hi everybody, I've created a custom control which Inherits from a base control and I shadow some properties as readonly. On the form which consumes this custom control, if I set the localizable to true, the IDE will generate some codes like: Me.nubExchRate.ImeMode = CType(resources.GetObject...more >>