我正在 FM 中开发一个 android 应用程序,没有绑定(慢等),我手动将数据填充到字符串网格中并手动更新记录。编译的 32 位应用程序运行良好,但在 android 下它不会更新记录。它通过 DataSnap 服务器进行通信,在 32 位下一切正常。
你知道为什么不更新android下的记录吗?
更新(但它正在测试中):我不知道昨天是什么问题,但它今天工作,我改变的唯一一件事是 ClientDataSet1.ApplyUpdates(0); 到 ClientDataSet1.ApplyUpdates(-1);
问候塔马斯
这是我的 StringGrid 插入代码:
var
ir: integer;
cr, cc: integer;
begin
ClientDataSet1.First;
ir := 0;
for cc := 0 to Grid_term.RowCount do
begin
for cr := 0 to Grid_term.ColumnCount do
begin
Grid_term.Cells[cc, cr] := '';
end;
end;
while not ClientDataSet1.Eof do
begin
Grid_term.Cells[0, ir] := IntToStr(ClientDataSet1.FieldByName('torzs_id').AsInteger);
Grid_term.Cells[1, ir] := ClientDataSet1.FieldByName('torzs_nev').AsString;
Grid_term.Cells[2, ir] := IntToStr(ClientDataSet1.FieldByName('muszak_id').AsInteger);
Grid_term.Cells[3, ir] := ClientDataSet1.FieldByName('gep_nev').AsString;
Grid_term.Cells[4, ir] := ClientDataSet1.FieldByName('alkatresz_nev').AsString;
Grid_term.Cells[5, ir] := IntToStr(ClientDataSet1.FieldByName('db_alkatresz_jo').AsInteger);
Grid_term.Cells[6, ir] := IntToStr(ClientDataSet1.FieldByName('db_alkatresz_as').AsInteger);
Grid_term.Cells[7, ir] := IntToStr(ClientDataSet1.FieldByName('db_alkatresz_ms').AsInteger);
Grid_term.Cells[8, ir] := IntToStr(ClientDataSet1.FieldByName('A_szercsere').AsInteger);
Grid_term.Cells[9, ir] := IntToStr(ClientDataSet1.FieldByName('A_beallitas').AsInteger);
Grid_term.Cells[10, ir] := IntToStr(ClientDataSet1.FieldByName('A_karbantartas').AsInteger);
Grid_term.Cells[11, ir] := IntToStr(ClientDataSet1.FieldByName('A_ghiba').AsInteger);
Grid_term.Cells[12, ir] := IntToStr(ClientDataSet1.FieldByName('A_keszjavit').AsInteger);
Grid_term.Cells[13, ir] := IntToStr(ClientDataSet1.FieldByName('A_technpro').AsInteger);
Grid_term.Cells[14, ir] := IntToStr(ClientDataSet1.FieldByName('A_anyaghiany').AsInteger);
Grid_term.Cells[15, ir] := IntToStr(ClientDataSet1.FieldByName('A_Egyeb').AsInteger);
Grid_term.Cells[16, ir] := IntToStr(ClientDataSet1.FieldByName('ID').AsInteger);
ir := ir + 1;
ClientDataSet1.Next;
end;
这是更新代码:
var
ir: integer;
begin
ClientDataSet1.First;
ir := 0;
// ClientDataSet1.
while not ClientDataSet1.Eof do
begin
ClientDataSet1.Edit;
{ ClientDataSet1.FieldByName('torzs_id').AsInteger := StrToInt(Grid_term.Cells[0, ir]);
ClientDataSet1.FieldByName('torzs_nev').AsString := Grid_term.Cells[1, ir];
ClientDataSet1.FieldByName('muszak_id').AsInteger := StrToInt(Grid_term.Cells[2, ir]);
ClientDataSet1.FieldByName('gep_nev').AsString := Grid_term.Cells[3, ir];
ClientDataSet1.FieldByName('alkatresz_nev').AsString := Grid_term.Cells[4, ir]; }
ClientDataSet1.FieldByName('db_alkatresz_jo').AsInteger := StrToInt(Grid_term.Cells[5, ir]);
ClientDataSet1.FieldByName('db_alkatresz_as').AsInteger := StrToInt(Grid_term.Cells[6, ir]);
ClientDataSet1.FieldByName('db_alkatresz_ms').AsInteger := StrToInt(Grid_term.Cells[7, ir]);
ClientDataSet1.FieldByName('A_szercsere').AsInteger := StrToInt(Grid_term.Cells[8, ir]);
ClientDataSet1.FieldByName('A_beallitas').AsInteger := StrToInt(Grid_term.Cells[9, ir]);
ClientDataSet1.FieldByName('A_karbantartas').AsInteger := StrToInt(Grid_term.Cells[10, ir]);
ClientDataSet1.FieldByName('A_ghiba').AsInteger := StrToInt(Grid_term.Cells[11, ir]);
ClientDataSet1.FieldByName('A_keszjavit').AsInteger := StrToInt(Grid_term.Cells[12, ir]);
ClientDataSet1.FieldByName('A_technpro').AsInteger := StrToInt(Grid_term.Cells[13, ir]);
ClientDataSet1.FieldByName('A_anyaghiany').AsInteger := StrToInt(Grid_term.Cells[14, ir]);
ClientDataSet1.FieldByName('A_Egyeb').AsInteger := StrToInt(Grid_term.Cells[15, ir]);
// ClientDataSet1.FieldByName('ID').AsInteger := StrToInt(Grid_term.Cells[16, ir]);
ir := ir + 1;
ClientDataSet1.Post;
ClientDataSet1.Next;
end;
ClientDataSet1.ApplyUpdates(0);
ClientDataSet1.Refresh;