TEXTBOX CONTROL
Used to take any user input in the application.
API: System.Windows.Forms.TextBox
Property of TextBox
Property | Description |
Name | Specifies the name of the control. |
Text | Specifies the displayable text of the control. |
BackColor | Specifies the background color of the control. |
ForeColor | Specifies the foreground color of the control. |
Font | Specifies the font style of the control‘s text. |
Enabled | Enables / Disables the control. |
Visible | Displays / Hides the control. |
Cursor | Specifies the mouse pointer style, when it is over on the control. |
Size | Specifies the Width and Height of the control. |
Location | Specifies the X and Y co-ordinations of the control‘s position on the form. |
TextAlign | Specifies the position of the text in the control (Left / Center / Right) |
Image | Specifies the image that is to be displayed in the control along with the text. |
ImageAlign | Specifies the position of the image in the control |
TabIndex | Specifies the index of the control in the tab order. |
ContextMenuStrip | Contains the reference of the respective context menu control. |
ReadOnly | Enables / disables read-only nature of the textbox. In the read only textbox, the user can not enter any text. |
MultiLine | Enables / disables multiple lines in the text box. By default, the text box will be single-line textbox. |
WordWrap | This is used in multi line textboxes, which automatically moves the cursor to the next line, when the current line exceeds. |
Scrollbars | Enables / disables scroll bars in the textbox. |
PasswordChar | Used to specify the password display character. Ex: * |
MaxLength | Specifies the maximum no. of characters that can be entered in the textbox. |
Property of Event of TextBox
Event | Description |
TextChanged | Executes when any character is typed / removed in the textbox. |
Click | Executes when the user clicks the control run time. |
DoubleClick | Executes when the user double-clicks the control at run time. |
MouseMove | Executes when the mouse pointer is moves across the control. |
MouseEnter | Executes when the mouse pointer is focused on to the control. |
MouseLeave | Executes when the mouse pointer is out of the button. |
KeyPress | Executes when any key is pressed on the keyboard, while the focus is on the control. |
Enter | Executes when the focus is entered into the control. |
Leave | Executes when the focus is out of the control. |
Method of TextBox
Method | Description |
Clear() | Clears all the contents of the textbox and makes it empty |
Focus() | Moves the focus to the control. |
Program for Demo Textbox
<html> <head> <script type="text/javascript"> window.onload = functionundefined) { document.getElementByIdundefined'send').onclick = functionundefinede) { Name : alertundefineddocument.getElementByIdundefined"name").value); return false; } } </script> </head> <body> <form method="post"> <div align="left"> <input id="name" name="name" type="text" /> <input id="send" name="send" type="submit" value="send" /> </div> </form> </body> </html>
private void btnOK_Clickundefinedobject sender, EventArgs e) { string name = txtName.Text; string message = name; lblMessage.Text = message; lblMessage.Visible = true; }