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PLACING THE CONTROLS ON A FORM Click the control on the toolbar. Now the control looks like a pressed push button. Place the mouse-cursor on the form at a suitable location and click. Now the control appears on the form as shown...

FLEX GRID CONTROL Steps to add a flex grid control to the project: Select Project. Components menu item. Click the controls tab in the components dialog box. Select the Microsoft FlexGrid Control entry in the components dialog box. Close...

It is a Menu based program in which we ask user to give his choice. A menu is displayed in which there are options like time table, reservation, add remove route etc. The control is passes to the module which is associated with the choice selected...

In 1970, E. F. Codd developed the relational data model from which the RDBMS was born. The concept centered around tables, called relations or entities, to store data. Codd called the model “relational” after the name he used for tables, not the...

Operating system is an essential part of a computer system. There are variety of operating systems available in computer market, such as Microsoft MS-DOS, Windows, and Windows NT, IBM OS/2, UNIX, the Apple Macintosh Operating System, and DEC VMS,...

Dim flag As Boolean Dim strn As String Dim strn1 As String Dim re As Integer Dim ss1 As Boolean  Private Sub Command1_Click() Form1.Visible = False Load Form2 Form2.Visible = True End Sub  Private Sub Command2_Click() Text1.Text =...

VBA newcomers are often overwhelmed by the terminology that is used in VBA. I’ve put together some key definitions to help you keep the terms straight. These terms cover VBA and UserForms (custom dialog boxes)—two important elements that are used...

  The “grep” command:The name grep stands for global regular expression printer. The grep command is used to search more than one file for particular bit pattern globally and displays the line containing them, The syntax is:grep char_pattern...

  General feature of a command:A UNIX command consists of a single word generally using alphabetic characters. Since the designers created UNIX for their own use, they tried to ensure that a minimum number of keystrokes achieved the maximum amount...

  Inodes: As we know that each and every file  in a Unix OS consist of a number by which it is uniquely identify by its file system. Such number is known as inode number or information node number.In Unix file system the disk space is allocated in...