delphi DBImage1顯示資料庫中圖片超過1000行時出錯 stream read error.請問怎么回事。
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, DBXpress, FMTBcd, Grids, DBGrids, DB, DBClient, Provider,
SqlExpr, StdCtrls, ComCtrls, ExtCtrls, DBCtrls, SimpleDS, Mask,jpeg;
type
TForm1 = class(TForm)
SQLConnection1: TSQLConnection;
SimpleDataSet1: TSimpleDataSet;
SimpleDataSet1ID: TIntegerField;
SimpleDataSet1XM: TStringField;
SimpleDataSet1XB: TStringField;
SimpleDataSet1SFZ: TStringField;
SimpleDataSet1ZS: TStringField;
SimpleDataSet1BJ: TStringField;
SimpleDataSet1JSZ: TStringField;
SimpleDataSet1CL: TStringField;
SimpleDataSet1ZP: TBlobField;
SimpleDataSet1Card_ID: TStringField;
SimpleDataSet1User_ID: TStringField;
SimpleDataSet1TEL1: TStringField;
SimpleDataSet1TEL2: TStringField;
SimpleDataSet1TEL3: TStringField;
DBGrid1: TDBGrid;
DBNavigator1: TDBNavigator;
DataSource1: TDataSource;
Button1: TButton;
Label1: TLabel;
DBEdit1: TDBEdit;
Label2: TLabel;
DBEdit2: TDBEdit;
Label3: TLabel;
DBEdit3: TDBEdit;
Label4: TLabel;
DBEdit4: TDBEdit;
Label5: TLabel;
DBEdit5: TDBEdit;
Label6: TLabel;
DBEdit6: TDBEdit;
Label7: TLabel;
DBEdit7: TDBEdit;
Label8: TLabel;
DBEdit8: TDBEdit;
Label9: TLabel;
Label10: TLabel;
DBEdit9: TDBEdit;
Label11: TLabel;
DBEdit10: TDBEdit;
Label12: TLabel;
DBEdit11: TDBEdit;
DBEdit12: TDBEdit;
DBEdit13: TDBEdit;
Label13: TLabel;
DBImage1: TDBImage;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
begin
SimpleDataSet1.Active:=False;
SimpleDataSet1.DataSet.CommandText:='select * from student';
SimpleDataSet1.Active:=True;
end;
end.
uj5u.com熱心網友回復：
樓主改用adoquery試試。uj5u.com熱心網友回復：
adoquery也試過了。資料瀏覽到1000行時出來錯誤stream read error。試來試去，發現主要是DBImage這個引起的，請問怎么在dbgrid單擊記錄時，用image代替dbimage顯示圖片呢？
uj5u.com熱心網友回復：
也可能只是某一條記錄的影像資料保存時就出錯了。或格式錯誤或資料錯誤。
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標籤：數據庫相關