Visual Basic (VB)

ISOperator Returns Boolean.

Instr integer (Numeric position)

Strcmp - integer ( if both the string are equal they result = 0)

Strcmp (Str1, Str2, Comparetype)

Comparing mode = 0 Binary Comparing

1 Textual Comparing

Instance of specific copy of a class with its own settings for the properties defined in that class.

Note: The implicitly defined variable is never equal to nothing.

Inprocess It will run with in the memory. ( Local Machine). Out of Process It will run out of the memory Normally in the server side.

In the general declarations section. To trap undeclared variables.

In RDO We can call using RDO Query Objects.

In ADO We can call using Command Objects.

If(Msgbox("Do you want to delete this Record",VbYesNo)=VbYes)Then End if

In ADO Snap Shot is called so.

DateSerial(year(Now),Month(Now)+1,1)

Hour, min, sec, month, year, DateSerial, dateadd, datediff, weekday, datevalue, timeserial,timevalue.

Function will return value but a sub procedure wont return values

Frm,

bas,

cls,

res,

vbx,

ocx,

frx,

vbp,

exe

Generic Variable:

Create Object Ex:-Ole-Automation . No need refer the object library.

Specific Variable:

Binding Procedure Early and Late Binding ( Can be Remove from the Memory).

Forward Only Some time Updateable

Group of control share the same name. Max 32, 767.

Field,

Form

DbRelationDeleteCascade, DbRelationUpdateCascade.

Declare function "" lib ""

Alias "" (Arg, ..) as Return type.

For each currentcontrol in controls

if typeof currentcontrol is TextBox then

end if

next

Dim x as RDOError

X(0).Des

X(1).Number

Setting the Cursors.

Default Cursor 0

ODBC Cursor (Client side) 1

ServerSide Cursors (More Network traffic) - 2

Data source Name, Record Source Name