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The scope of a variable is finding out by where you declare it. While you declare a variable in a procedure, only code in that procedure can access or alter the value of that variable. It contain local scope and is called a procedure-level variable. If you declare a variable outside a process, you make it visible to all the process in your script. It is script-level variable, and it contain script-level scope.
How long a variable exists describe its lifetime. The lifetime of script-level variable extends from the time this is declared till the time the script is finished running. At process level, a variable exists only as long as you are in the process. While the procedure exits, the variable is destroyed. Local variables are ideal like temporary storage space while a process is executing. You can have local variables of the similar name in many different procedures because each is identified only by the process in which it is declared.
A constant is a meaningful name which takes the place of a number or string and never alters. VBScript described a number of intrinsic constants. You can get thorough information r
Displaying The Database: The Text box, image box, check box, labels, picture box can be bounded to the data control for exhibiting the data base contents. The two properties a
Executesql: The ExecuteSQL is used for executing the query on the database. The CRecordset uses the RFX mechanism to replace data between field data members of the record set
Problem 1. Describe the concept of exception in .Net environment 2. Explain the process of adding, updating and deleting records with an example 3. Explain DTD elements a
RESOURCES The cursors, Icons, dialog, bitmaps accelerators, menu, table tool bar and string are the different resources. The resources are compiled by the resource compiler. Th
VISUAL INTERFACE DESIGN Instead of the graphic nature of the program, only the visualness of the inter action is important. The program must not focus on the GUI. On the other
A Project to Display a Database: 1. Suppose that there are 5 fields describing a customer. Id, address, name, city & state. 2. Put 5 text boxes on the form to exhibit the r
For reason of readability & consistency, employ the following prefixes along with descriptive names for variables in your VBScript code. S ub type Prefi
ODBC The ODBC gives an API which distinguishes the data base vendors implementation via the ODBC drivers specific to a DBMS. The program will use the API to call the ODBC dr
INTRINSIC CONTROLS The Intrinsic controls are the built-in controls. Few of the controls are Combo box, Check box, Command Button, Label etc. The controls have properties re
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