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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

NULL values in HFSQL
WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of the HFSQL data files and for all the other types of accesses (Native, OLE DB, ...
Max (Function)
Returns the greatest value passed as parameter.
<ANSI string>.ToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
<Source>.BuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HBuildKeyValueANSI (Function)
Whatever the platform used, the data stored in HFSQL data files is in ANSI format.
StringToNum (Function)
Returns the numeric value of a character string. This feature enables you to perform numeric calculations on strings.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
ChronoValue (Function)
Indicates the time elapsed (in milliseconds) since the call to ChronoStart.
LocalStorageGet (Function)
Retrieves a value from the local storage.
Val (Function)
Returns the numeric value of a character string.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
<Array>.Min (Function)
Returns the lowest value in the array.
Min (Function)
Returns the lowest value.
Data persistence
The data persistence is used to store the value typed by the user...
<Array>.Max (Function)
Returns the greatest value in the array.
MemNext (Function)
Positions on the next element of a memory zone and returns the value of this element.
FinLinearRedemption (Function)
Calculates the value of linear amortization of a product over a specific period of time.
DateTimeByDefault (Function)
Used to define the default value of Date, Time and DateTime variables.
SaveParameter (Function)
Saves a persistent value in the registry or in another file specified by InitParameter.
wWDGetReturnValueType
Type of the return value of the last nWDExecute, nWDExecuteEx or nWDEvalue statement]......
grLineThickness (Function)
Retrieves and/or modifies the value of the line thickness in a line chart....
LDAPValue (Function)
Returns the value corresponding to the subscript passed as parameter for the specified attribute.
NullableIndex (Property)
The NullIableIndex property determines if a key item supports the "Null" value.
Dialog (Function)
Displays a message box and returns the value of the button clicked by the user.
PersistedCalculatedItem (Property)
The PersistedCalculatedItem property is used to: Find out whether the value of a calculated...
How to manage enumerations programmatically?
Error 701: The property is read-only
HTMLClass (Property)
The HTMLClass property reads and sets the value of the "class" HTML attribute of the control.
HRecordToJSON (Function)
Retrieves the structure and value of the current record and exports them into a string in JASON...
MemcachedAddKeyGroup (Function)
Adds a new key/value couple into the Memcached cache on a group of servers....
memcachedResult (Type of variable)
The memcachedResult type is used to define the characteristics of a value read on a Memcached...
grPointInfo (Function)
Returns the screen coordinates of a point or the screen coordinates of a value found in a chart.
<Chart>.PointInfo (Function)
Returns the screen coordinates of a point or the screen coordinates of a value found in a chart.
<Source>.RecordToJSON (Function)
Retrieves the structure and value of the current record and exports them into a string in JASON...
<Source>.FilterIdentical (Function)
Defines and enables a filter used to find the exact value of a string item.
DisplayedValue (Property)
The DisplayedValue property returns the value currently displayed in the control of a window...
InitialValue (Property)
The InitialValue property is used to get the initial value of a control in a window or page.
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL data files.
MemLast (Function)
Sets the position on the last element of memory area and returns the value of this element.
ControlNoSpace (Function)
Specifies whether the space characters on the right of the value found in the control are deleted.