Vcl.DBGrids.TCustomDBGrid.ValidFieldIndex

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Delphi

function ValidFieldIndex(FieldIndex: Integer): Boolean;

C++

bool __fastcall ValidFieldIndex(int FieldIndex);

Properties

Type	Visibility	Source	Unit	Parent
function	public	Vcl.DbGrids.pas Vcl.DBGrids.hpp	Vcl.DBGrids	TCustomDBGrid

Description

Indicates whether an index into the columns array refers to a valid field in the dataset.

Call ValidFieldIndex to determine whether a column displays data from a field in the dataset. ValidFieldIndex returns true if the column is associated with a database field. ValidFieldIndex returns false if the column is a calculated field or if the field for the column is undefined.

See Also

• Columns

• Fields

• GetColField