AppendFilterIsNull Method

Adds a filter to constrain the results of an FCGeneric Query against NULL or NOT NULL fields.

Syntax

Visual Basic
C#

'Declaration
 
Public Sub AppendFilterIsNull( _
   ByVal fieldName As String, _
   ByVal isNull As Boolean _
)

public void AppendFilterIsNull( 
   string fieldName,
   bool isNull
)

Parameters

fieldName: Name of the field the filter will be constraining.
isNull: true if searching for NULLvalues

Remarks

Filters are a powerful feature that make it easy to limit the rows returned by a Query. You may call filter methods multiple times resulting in each successive filter further constraining the rows returned.

You can call ClearFilters to remove all the filters being applied to a FCGeneric.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

Reference

FCGeneric Class
FCGeneric Members

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