You can handle the textbox's KeyPress event and if the char passed in is not acceptable, mark the events argument as showing the character has been handled. Below is a derived TextBox that only accepts digits (and control characters such as backspace... You can do this by deriving the TextBox, overriding the WndProc method and ignoring these mouse down messages.

Use the CharacterCasing property of the TextBox. textBox1.CharacterCasing = CharacterCasing.Upper; textBox2.CharacterCasing = CharacterCasing.Lower; Contributed from George Shepherd's Windows Forms FAQ See similar questions...

How do I prevent the user from being able to paste from the clipboard into a TextBox, e.g., through Ctrl+V and the context menu? First set the ContextMenu property of the TextBox to a dummy, empty ContextMenu instance. This will prevent the default context... See similar questions...

Say you have a Parent table related to a Child table related to a GrandChildTable, and you want to bind a TextBox to a column in the GrandChild table. To do this you have to have nested relations defined, and you use this nesting to create the DataMember... See similar questions...

You can handle the textbox's KeyPress event and if you want the keypress to be an overwrite, just select the current character so the keypress will replace it. The attached sample has a derived textbox that has an OverWrite property and a right-click... See similar questions...

Set the TextBox.PasswordChar property. textBox1.PasswordChar = '\u25CF'; Contributed from George Shepherd's Windows Forms FAQ I have a delete key shortcut for my main menu. When my textbox is being edited, pressing delete activates this menu items instead of being processed by the TextBox. How can I get my TextBox to handle this delete? Subclass the TextBox and override its... See similar questions...

Yes. Your Guests can only see the plans you have set to be "visible". All other saved plans (such as draft copies or works in progress) will be hidden from them. They will not be able to view or edit the hidden plans. See similar questions...

No, Sterilight systems are designed with inlet/outlet ports correctly sized for the specific application. As an example, the 8 USGPM system comes with 3/4" ports. The typical pressure drop on this system would be 2-3 psi. See similar questions...

The lang: operator, which restricts by programming language (e.g., lang:"c++", -lang:java, or lang:^(c|c#|c\+\+)$) The license: operator, which restricts by software license (e.g., license:apache, -license:gpl, or license:bsd|mit) The package: operator, which restricts by package URL (e.g., package:"www.kernel.org" or package:\.tgz$) The file: operator, which restricts by filename (e.g., file:include/linux/$ or -file:\. See similar questions...

Over the course of the 12-season run, there were 24 regular characters. Starting with the eight regulars from the final season, they were: SGT. ANDY SIPOWICZ (Dennis Franz): A hulking, mustachioed, walking contradiction, Sipowicz was a recovering alcoholic, a hot-tempered bully and a crude bigot. He was also a dedicated, brilliant cop, a fiercely loyal friend, and a sensitive soul who, in the last few years, learned to ignore his prejudices, if not forget them. See similar questions...

You may only use AlphaNumeric combinations along with a hyphen (-) in a domain name. Any other character within the domain name will cause it to be rejected. Back to top See similar questions...

We also have a number of non-english language characters. e.g... ß ü ä Ü Ä ö ø See similar questions...

When I set a TextBox to Readonly or set Enabled to false, the text color is gray. How can I force it to be the color specified in the ForeColor property of the TextBox? You can download a VB.NET sample. Override the OnPaint event of the TextBox. For example... See similar questions...

Each type has a ToString method that can be used to perform formatting. Also, you can use the String.Format method to format things as well. To format dates, use the ToString member of DateTime. You may want to use the InvariantInfo setting to get culture... See similar questions...

You can set the ContextMenu property of the TextBox to a dummy, empty ContextMenu instance. Contributed from George Shepherd's Windows Forms FAQ See similar questions...

There are several of ways to do this. Here are a few: 1) Insert a carriage return, linefeed combination, "\r\n", between lines of text. textBox1.Text = "This is line 1.\r\nThis is line 2"; 2) Use the Environment.NewLine property. This... See similar questions...

You use the Frameworks OpenFileDialog to implement this functionailty. using System.Text; using System.IO; private void button1_Click( object sender, EventArgs e ) { OpenFileDialog dlg = new OpenFileDialog(); dlg.Title = "Open text file" ; dlg... See similar questions...

Select New ActiveTextBox from Operations menu. In a window that will show up left-click the Finder Tool and point to the needed textbox while holding left mouse button down (in other words drag the Finder Tool over a textbox) If the window class of a textbox is registered with ActiveTextBox (see next question), the cursor changes it's shape and color. Release the left mouse button. Press OK in the New ActiveTextBox window. Enter the description of this textbox and press OK. See similar questions...

In this situation the best option is to retrieve the source and get the length via JavaScript. The source can be retrieved any number of times so this will not affect the final output. See similar questions...

There are 10 main characters: Brad and Janet, Frank N Furter, Rocky Horror, Riff Raff, Magenta, Columbia, Eddie, Dr Everett Scott and the narrator. There are also a few other characters, for example Ralph Hapschatt and Betty Munroe who get married at the beginning of the movie as well as the 18 Transylvanians who are in Frank's castle. See similar questions...