I am working with the DataGridView in vb.net... I have a dataset with 100+ rows and 20 rows are visible. What I am having trouble doing is on enter making the "cursor" move down the page in a column until it gets about mid way though (10th line from top) and then at that point it needs to maintai...more >>

I copied the line of code from Mictosoft: MsgBox (My.Computer.Clipboard.GetText()) and of course it doesn't work becasue the is no object (error message). I made a reference to MyComput 1.0 Type Library, but that didn't work. Does anyone know what library to reference to get My.Computer ...more >>

How to setup ColumnWidthChanged Event for ListView? I don't see it in the list. From http://www.developmentnow.com/g/30_2006_9_0_0_0/dotnet-framework-windowsforms-controls.htm Posted via DevelopmentNow.com Groups http://www.developmentnow.com...more >>

Subject pretty much says it all. I was wondering if it was EVER necessary for me to do this: string myString = TextBox1.Text; if (myString == null) { // Will this code EVER execute? [...] } ...more >>

Hi, I'm trying to archive orginal records, so what I am trying to do is upon saving the changed record also writing the orginal record version to a different table. The problem I'm having is that the DataTable.ImportRow does not accept a datarowview as a parameter. My code is below, can s...more >>

How do I determine if there are any rows within the BindingSource that have changed prior to calling the EndEdit(). I need to do this in order to archive some records and if I call the EndEdit() then it also wipes out the orginal version of the dataset record with the proposed changes., Howe...more >>

Hello, I am creating a form with Rich Text Box control on it (using .NET 1.1). The form will be used to iterate through a list of spelling errors and allow the user to determine what to do with each error. I am displaying the source text in a rich text box and highlighting the current mis...more >>

This question is actually for the Compact Framework but is about controls. I have created a control that inherits the UserControl (I need the border). The control overrides the Text Property and I draws the Text in the Onpaint event - works fine, but the Text property doesn't show up in the de...more >>

Hi, Is there a way to hide the scrollbars in a UserControl ?? If i'm setting AutoScrollMinSize to a size larger than the ClientRectangle, the scrollbars will automatically appear within the bounds of the UserControl. But if i don't want the scrollbars to appear - how do i prevent that fro...more >>

Hi All! I have tried for a few hours to create a contextmenu based on a clone off one of the menus on my mainmenu.. No result! Anybody that have a code-example / url? I use: Microsoft Visual Studio 2005 Version 8.0.50727.51 (QFE.050727-5100) Microsoft .NET Framework Version 2.0.50...more >>

Hello, I've got a list view in details view. Two questions. I've got four columns. I want to be able to update either column 1 or column 3 by double clicking on one of the items. Is it possible to determine what column is double clicked on? Also, if an item in column 3 is double clicked wou...more >>

Hello, Given a form(Form1) that defines it's active region on load with the following code: private void Form1_Load(object sender, EventArgs e) { //compute the mask region to create rounded window corners this.Region = new Region(Drawing.GetRoundedRectangle(new Rectangle(0, 0, this....more >>

The VB6 MSFlexGrid had a property called RowData which associated an integer with each row. It was crude, but you could use this integer as, say, the index into an array of objects which would provide more data about the row. It was handy for storing info that was global to each row. I cannot ...more >>

Hi, I have added a textbox (richtextbox) to a form. I keep on appending text to this textbox. How can I cause this textbox to automatically scroll down to the text that has been added recently ? TIA, Darth ...more >>

Hi, Hope someone can help me I have a datagridview I want to print Code below works fine if I print the data if there is only 1 page (without using hasmore pages '!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! If intRowPos <= 10 Then e.HasMorePages = False Else e.HasMorePages = True End If '!!!...more >>

Hi all I got a strange behavior of the DataGridView. Try this code on a new Form with a DataGridView: DataTable t; DataView v; private void Form1_Load(object sender, EventArgs e) { t = new DataTable("T"); t.Columns.Add("test"); v = new DataView(t); dataG...more >>

Hi folks I need to create a visual control that can accept IExtenderProvider based components at design-time, so that certain controls, dropped onto the visual control, can support an extra property. The visual control needs to appear to be a panel, possibly derived from an existing Pane...more >>

I have a DataGridView on a form that users will be adding data to. One column must be unique, so if they try to add a new row with a duplicate value in this column I want to grouse at them (MessageBox) and then delete the row they just entered. I can't call myGrid.Rows.Remove(xxx) during the ...more >>

Hi, If a row is selected via code for a DatagridView, anyone know how to get this row in the visible area of the Datagridview? Tanks. Regards D. ...more >>

Sorry about previous post with incorrect Subject. I meant FixedSingle, not Fixed2D. I am developing a Windows Forms-based application using VS 2003 in C#. I have several TextBox and ComboBox controls on a form. For a particular scenario, I need both control types to have the same appeara...more >>

I am developing a Windows Forms-based application using VS 2003 in C#. I have several TextBox and ComboBox controls on a form. For a particular scenario, I need both control types to have the same appearance. The desired appearance is like that of a TextBox whose BorderStyle is set to Fixed...more >>

I have a Panel in which I put a few userControls. I use AutoScroll but from time to time the scrollbars don't appear or appear in a wrong position. Can anyone help me, please? -- Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/Forums.aspx/winform-controls/200703/1 ...more >>

Hello, the MonthCalendar control does not seem to implement a double click mouse event. For my application however I want to double click on a specific day in the control and open a modal dialog window. I tried to catch a double click event on the main form and check if the mouse cursor wa...more >>

Hi all I'd like to implement a ReadOnly property for controls like combobox or datetimepicker that don't have it. Is it possible to block the user from changing the data but letting it copy the data into clipboard? Thanks. ...more >>

Hi all I am currently using a Bound Read Only data grid. What I am looking to do is have different colour rows depending on the data in the row. EG. If the status = Closed then that row should be Red, If the Status = Open then That row should be Green. I am trying not to loop through...more >>

Hello, how should I suppress the Shift-Insert keypress in a custom DataGridView column or in a custom TextBox? I tried to catch it in the overriden OnKeyPress, but it didn't work (this method didn't even know something had happened). Or, maybe a better question: In fact, I need to control wh...more >>

Hi, is there a possibility to "disable" a TabPage of a TabControl? By "disable" I mean to achieve something like a control.Enabled = false, i.e. the control becomes grey and does not react to anything user is trying to do with it. Any help would be much appreciated... With regards nvx ...more >>

Hi I am still having problems with Tabbing through a DataGrid with a DataGridComboBox Column. I need to allow the User to Type the value into the ComboBox so consequently its ComboBoxStyle is set to DropDown. This causes the Tabbing to work incorrectly. Even though I am consuming the Windows M...more >>

How can i get the last written word, after pressing space in a RichTextBox? ...more >>

Hi I have a DataGrid with some hidden columns and also some read Only and some ComboBox Columns. Sandard Tabbing through the Datagrid sees the focus go to the hidden columns requiring further Tabbing to get to the desired column but it works fine stopping correctly on the ComboBox column. ...more >>

When using a TabControl, if I select Allignment = Bottom and Appearence = Button or Flat Button, the TabPages and their contents are no longer visible. This does not occur with Allignment set to top, right, or left. How do I correct this as I desire flat buttons at the bottom for my applicat...more >>

Hello, I have a form with a TreeView control in it. The TreeView is located together with other controls inside a ToolStripContainer. Now it appears that the TreeView never gets the focus even though I can control it: I can select nodes and everything works fine, but the Enter event is not fi...more >>

where RightToLeft property for DataGridViewTextBoxColumn. I need to set one column opposite that DataGridView set. How I can do that? ...more >>

Scenario: I have a usercontrol that accepts keypress events. I have a form with an instance of this usercontrol as well as a normal textbox control. I want whatever is typed in the textbox to be reflected in the usercontrol and vice versa. Copying from the textbox to the usercontrol ...more >>

I'm noticing that when my DataGrid has focus, it handles the Enter key by advancing to the next row in the grid. This neutralizes Forms's current defined AcceptButton. My primary question: is there any quick way to configure the Grid not to handle the Enter key? I do not see any property co...more >>

See tiny test project at http://home1.inet.tele.dk/jbech/binaries/AcceleratorTest.zip Problem: I have a usercontrol with no child controls, but still able to receive focus. If an instance of this control is placed on a form with another control which has an accelerator key, the usercontrol ...more >>

When going from page to page I have a box that pops up and says, "This page contains secure and non secure information. Do you want to proceed?" Any help would be greatly appreciated. -- Thank you, Jim...more >>

I'm getting the following exception displayed in the task list at design time for my project: "Code generation for property 'Controls' failed. Error was: 'Object reference not set to an instance of an object.'" I've traced the problem to a custom control I created that inherits from I...more >>

I want to save the state of a splitcontainer when an application ends. I also save the form state. The SplitContainer does not seem to have a well defined place to put intiialization and termination code. I have tried to use my first splitter moved event to set the splitter position but I am...more >>

We want to prevent some flickering when a DataGridView is being updated. There doesn't appear to be a set of BeginUpdate/EndUpdate methods for the DataGridView. We've tried the hammer approach of using a Win32 API call to prevent updates by sending a WM_SETREDRAW to the control with no luck. ...more >>

anyone knows where i can find such ?? ...more >>

Hi all What is the best way to handel an error when developing Forms controls. I have a try catch and then display a Message box but my control is still crashing my entier program. Am i missing something. Thanks, ink ...more >>

The documentation for the ToolStrip control under the TabOrder property indicates that the tab order for items in the ToolStrip items collection can be controled. Quoting: "When the user presses the TAB key, the input focus is set to the next ToolStripItem in the tab order. Controls with a ...more >>

I have a DataGrid bound to a DataTable. The DataTable contains an (int) column. I'm using GridColumnStyles to format the (int) column as decimal or hex based on a user selection. The DataGrid properly displays the current hex or decimal value but only accepts decimal entries when editing. ...more >>

Hi, I have a DataGridView with some custom columns. In case user tries to insert a specified character into a cell, a ToolTip is shown saying that this character may not be inserted and the insertion is suppressed. Where should I put the ToolTip.Hide() method into a code of this custom DataGrid...more >>

I've got a UserControl that needs to change the locations of several of it's child controls at runtime. Is there any way to freeze the control during updates so that it only redraws itself once after all the child controls have been relocated? ...more >>

Hi all Can i use Ribbonx control in vb.net on a computer where is not installed Office 2007 ? if yes where i can find the control ??? thanks in advance FLAVIO ...more >>

Hi, What i really wants is when some one change the state of the checkbox in a datagridview , i need to trap the event. Best Regards ...more >>

hi, when the user enters some data in the DataGridView TextBox Column , i am doing some calculation in order set the value in another DataGridView TextBox Column . Can any one tell me how can i immediatly force the change the value in the datagridview to reflect the change. Regards ...more >>

Hi All i am developing a Windows Mobile User Controll and i need to make sure that it is not sized to small. i am developing in C# with CF2 for Windows Mobile 5. How is this done? i am hoping there is like a Min width and height propertiy. Thnaks ink ...more >>