請問如下的程式碼錯在哪裡?如何才正確? |
答題得分者是:cashxin2002
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BIG-ROM
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Chance36
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procedure TINVOICE.SpeedButton1Click(Sender: TObject); var INVO: string; begin IF ComboBox.Text='All_Invoice' Then INVO:='SELECT * FROM [INVOICE] order by INID Desc' ELSE IF ComboBox.Text='InvoiceNumber' Then INVO:='SELECT * FROM [INVOICE] WHERE InvoiceNumber=' Edit1.Text ' order by INID Desc' //<== OK ELSE IF ComboBox.Text='Cntr_No' Then INVO:='SELECT * FROM [INVOICE] WHERE CntrNo like ''' Edit1.Text ''' order by INID Desc' //<== 注意紅色的單引號 ELSE begin with LJSJK.INVOICE do begin Close; SQL.Clear; //SQL.Add(INVO); <== INVO並沒有內容呀! SQL.Add('SELECT * FROM [INVOICE] order by INID Desc'); <== 改成這樣看看 TRY Open; except ExecSQL; FREE; end; end; end; end;_______________________________________ 深藍的魚,祝您好運..........連連 |
cashxin2002
版主 ![]() ![]() ![]() ![]() ![]() ![]() 發表:231 回覆:2555 積分:1937 註冊:2003-03-28 發送簡訊給我 |
您好﹗
procedure TINVOICE.SpeedButton1Click(Sender: TObject); var INVO: string; begin IF ComboBox.Text='All_Invoice' Then INVO:='SELECT * FROM [INVOICE] order by INID Desc' ELSE IF ComboBox.Text='InvoiceNumber' Then INVO:='SELECT * FROM [INVOICE] WHERE InvoiceNumber='''+Edit1.Text+''' order by INID Desc' ELSE IF ComboBox.Text='Cntr_No' Then INVO:='SELECT * FROM [INVOICE] WHERE CntrNo like '''+Edit1.Text+''' order by INID Desc' ELSE//刪除這個ELSEbegin with LJSJK.INVOICE do begin Close; SQL.Clear; SQL.Add(INVO); TRY Open; except ExecSQL; FREE; end; end; end; end;=================================
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忻晟 |
BIG-ROM
初階會員 ![]() ![]() 發表:94 回覆:91 積分:37 註冊:2005-04-16 發送簡訊給我 |
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cashxin2002
版主 ![]() ![]() ![]() ![]() ![]() ![]() 發表:231 回覆:2555 積分:1937 註冊:2003-03-28 發送簡訊給我 |
您好﹗ LJSJK.INVOICE是資料集元件的名稱嗎﹖發現是和Form的名稱相同﹐請問是使用何元件﹖如果不是資料集元件﹐以下紅色處就缺少了資料集元件的名稱﹐如果确定是資料集元件的話﹐改成如下試試﹕
procedure TINVOICE.SpeedButton1Click(Sender: TObject); var INVO: string; begin IF ComboBox.Text='All_Invoice' Then INVO:='SELECT * FROM [INVOICE] order by INID Desc' ELSE IF ComboBox.Text='InvoiceNumber' Then INVO:='SELECT * FROM [INVOICE] WHERE InvoiceNumber='''+Edit1.Text+''' order by INID Desc' ELSE IF ComboBox.Text='Cntr_No' Then INVO:='SELECT * FROM [INVOICE] WHERE CntrNo like '''+Edit1.Text+''' order by INID Desc' With LJSJK.INVOICE do begin Close; SQL.Clear; SQL.Add(INVO); Open; end; end;=================================
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忻晟 |
cxh17895
初階會員 ![]() ![]() 發表:13 回覆:37 積分:25 註冊:2003-03-19 發送簡訊給我 |
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Arlung Miao
初階會員 ![]() ![]() 發表:9 回覆:44 積分:25 註冊:2004-08-25 發送簡訊給我 |
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BIG-ROM
初階會員 ![]() ![]() 發表:94 回覆:91 積分:37 註冊:2005-04-16 發送簡訊給我 |
|
BIG-ROM
初階會員 ![]() ![]() 發表:94 回覆:91 積分:37 註冊:2005-04-16 發送簡訊給我 |
您好。
LJSJK.INVOICE LJSJK====是數據模塊
INVOICE===ADOWuery
引言: 您好﹗ LJSJK.INVOICE是資料集元件的名稱嗎﹖發現是和Form的名稱相同﹐請問是使用何元件﹖如果不是資料集元件﹐以下紅色處就缺少了資料集元件的名稱﹐如果确定是資料集元件的話﹐改成如下試試﹕寫程序——新問題會接踵而來!procedure TINVOICE.SpeedButton1Click(Sender: TObject); var INVO: string; begin IF ComboBox.Text='All_Invoice' Then INVO:='SELECT * FROM [INVOICE] order by INID Desc' ELSE IF ComboBox.Text='InvoiceNumber' Then INVO:='SELECT * FROM [INVOICE] WHERE InvoiceNumber='''+Edit1.Text+''' order by INID Desc' ELSE IF ComboBox.Text='Cntr_No' Then INVO:='SELECT * FROM [INVOICE] WHERE CntrNo like '''+Edit1.Text+''' order by INID Desc' With LJSJK.INVOICE do begin Close; SQL.Clear; SQL.Add(INVO); Open; end; end;================================= |
Arlung Miao
初階會員 ![]() ![]() 發表:9 回覆:44 積分:25 註冊:2004-08-25 發送簡訊給我 |
|
BIG-ROM
初階會員 ![]() ![]() 發表:94 回覆:91 積分:37 註冊:2005-04-16 發送簡訊給我 |
|
cashxin2002
版主 ![]() ![]() ![]() ![]() ![]() ![]() 發表:231 回覆:2555 積分:1937 註冊:2003-03-28 發送簡訊給我 |
您好﹗ 用Try和Except來攔截錯誤試試﹕
procedure TINVOICE.SpeedButton1Click(Sender: TObject); var INVO: string; begin IF ComboBox.Text='All_Invoice' Then INVO:='SELECT * FROM [INVOICE] order by INID Desc' ELSE IF ComboBox.Text='InvoiceNumber' Then INVO:='SELECT * FROM [INVOICE] WHERE InvoiceNumber='''+Edit1.Text+''' order by INID Desc' ELSE IF ComboBox.Text='Cntr_No' Then INVO:='SELECT * FROM [INVOICE] WHERE CntrNo like '''+Edit1.Text+''' order by INID Desc' With LJSJK.INVOICE do begin Close; SQL.Clear; SQL.Add(INVO); try Open; except On E:Exception do ShowMessage(E.Message); end; end; end;=================================
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忻晟 |
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