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6483687
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2011-06-26T11:45:11.717
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2011-06-26T11:45:11.717
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<p>Before adding an item bookmark the current row of your table that correspond to dbgrid. Afer adding an item goto your bookmark a sample for working with TBookmark: (you can replace clientdataset1 with your tableName like table1)</p> <pre><code>unit MainForm; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, DB, DBClient, ExtCtrls, ActnList, Grids, DBGrids, DBCtrls; type TfrmMain = class(TForm) DataSource1: TDataSource; pnlClient: TPanel; pnlBottom: TPanel; btnFirst: TButton; btnLast: TButton; btnNext: TButton; btnPrior: TButton; DBGrid1: TDBGrid; ClientDataSet1: TClientDataSet; btnSetRecNo: TButton; DBNavigator1: TDBNavigator; btnGetBookmark: TButton; btnGotoBookmark: TButton; procedure FormCreate(Sender: TObject); procedure btnNextClick(Sender: TObject); procedure btnLastClick(Sender: TObject); procedure btnSetRecNoClick(Sender: TObject); procedure btnFirstClick(Sender: TObject); procedure btnPriorClick(Sender: TObject); procedure btnGetBookmarkClick(Sender: TObject); procedure btnGotoBookmarkClick(Sender: TObject); private { Private declarations } FBookmark: TBookmark; public { Public declarations } end; var frmMain: TfrmMain; implementation {$R *.dfm} procedure TfrmMain.FormCreate(Sender: TObject); begin ClientDataSet1.LoadFromFile('C:\Employee.cds'); end; procedure TfrmMain.btnFirstClick(Sender: TObject); begin ClientDataSet1.First; end; procedure TfrmMain.btnPriorClick(Sender: TObject); begin ClientDataSet1.Prior; end; procedure TfrmMain.btnNextClick(Sender: TObject); begin ClientDataSet1.Next; end; procedure TfrmMain.btnLastClick(Sender: TObject); begin ClientDataSet1.Last; end; procedure TfrmMain.btnSetRecNoClick(Sender: TObject); var Value: string; begin Value := '1'; if InputQuery('RecNo', 'Enter Record Number', Value) then ClientDataSet1.RecNo := StrToInt(Value); end; procedure TfrmMain.btnGetBookmarkClick(Sender: TObject); begin if Assigned(FBookmark) then ClientDataSet1.FreeBookmark(FBookmark); FBookmark := ClientDataSet1.GetBookmark; end; procedure TfrmMain.btnGotoBookmarkClick(Sender: TObject); begin if Assigned(FBookmark) then ClientDataSet1.GotoBookmark(FBookmark) else ShowMessage('No bookmark set!'); end; end. </code></pre>
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1. This table or related slice is empty.
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1. PODelphi Grid Visible Item
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Querying!

Guidance

A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.