請教前輩DBChart1 圖形殘留要如何清除? |
缺席
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K1086
初階會員 發表:63 回覆:148 積分:42 註冊:2007-04-09 發送簡訊給我 |
[code delphi] procedure TT539_Picks_NumFm1.HemisphereButton2Click(Sender: TObject); var Series1,Series2:TBarSeries; i:integer; TestArr: array of TBarSeries; TestBrr: array of TBarSeries; begin Query4.Active :=TRUE; SetLength(TestArr, Query4.FieldCount); DBChart1.FreeAllSeries; for i :=0 to Query4.FieldCount-1 do begin if i< Query4.FieldCount-1 then begin TestArr[i]:= TBarSeries.Create(nil); TestArr[i].ParentChart:=self.DBChart1; TestArr[i].Marks.Visible:=False; TestArr[i].DataSource:=Query4; TestArr[i].YValues.ValueSource:=Query4.Fields[1].FieldName; TestArr[i].XLabelsSource:=Query4.Fields[0].FieldName; TestArr[i].Title :=Query4.Fields[i].FieldName; end; end; DBChart1.Repaint; Query5.Active :=TRUE; SetLength(TestBrr, Query5.FieldCount); DBChart2.FreeAllSeries; for i :=0 to Query5.FieldCount-1 do begin if i< Query5.FieldCount-1 then begin TestBrr[i]:= TBarSeries.Create(nil); TestBrr[i].ParentChart:=self.DBChart2; TestBrr[i].Marks.Visible:=False; TestBrr[i].DataSource:=Query5; TestBrr[i].YValues.ValueSource:=Query5.Fields[1].FieldName; TestBrr[i].XLabelsSource:=Query5.Fields[0].FieldName; TestBrr[i].Title :=Query5.Fields[i].FieldName; end; end; DBChart2.Repaint; end; [/code] Query5 SQL (TStrings):SELECT NUMS, COUNT(NUMS) COUNTS FROM KG539_NUM GROUP BY NUMS ORDER BY COUNTS DESC, NUMS Query4 SQL (TStrings):SELECT NUMS, COUNT(NUMS) COUNTS FROM KG539_2NUM GROUP BY NUMS ORDER BY COUNTS DESC, NUMS ※問題是 Query5 載入圖形一直都會殘留 (Query4 載入圖形就可以一直更新) 請教各位前輩們指導 是否語法上或是那裡要更正 謝謝!!! 編輯記錄
K1086 重新編輯於 2017-05-17 22:09:06, 註解 無‧
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K1086
初階會員 發表:63 回覆:148 積分:42 註冊:2007-04-09 發送簡訊給我 |
===================引 用 K1086 文 章=================== [code delphi] procedure TT539_Picks_NumFm1.HemisphereButton2Click(Sender: TObject); var Series1,Series2:TBarSeries; i:integer; TestArr: array of TBarSeries; TestBrr: array of TBarSeries; begin Query4.Active :=TRUE; SetLength(TestArr, Query4.FieldCount); DBChart1.FreeAllSeries; for i :=0 to Query4.FieldCount-1 do begin if i< Query4.FieldCount-1 then begin TestArr[i]:= TBarSeries.Create(nil); TestArr[i].ParentChart:=self.DBChart1; TestArr[i].Marks.Visible:=False; TestArr[i].DataSource:=Query4; TestArr[i].YValues.ValueSource:=Query4.Fields[1].FieldName; TestArr[i].XLabelsSource:=Query4.Fields[0].FieldName; TestArr[i].Title :=Query4.Fields[i].FieldName; end; end; DBChart1.Repaint; Query5.Active :=TRUE; SetLength(TestBrr, Query5.FieldCount); DBChart2.FreeAllSeries; for i :=0 to Query5.FieldCount-1 do begin if i< Query5.FieldCount-1 then begin TestBrr[i]:= TBarSeries.Create(nil); TestBrr[i].ParentChart:=self.DBChart2; TestBrr[i].Marks.Visible:=False; TestBrr[i].DataSource:=Query5; TestBrr[i].YValues.ValueSource:=Query5.Fields[1].FieldName; TestBrr[i].XLabelsSource:=Query5.Fields[0].FieldName; TestBrr[i].Title :=Query5.Fields[i].FieldName; end; end; DBChart2.Repaint; end; [/code] Query5 SQL (TStrings):SELECT NUMS, COUNT(NUMS) COUNTS FROM KG539_NUM GROUP BY NUMS ORDER BY COUNTS DESC, NUMS Query4 SQL (TStrings):SELECT NUMS, COUNT(NUMS) COUNTS FROM KG539_2NUM GROUP BY NUMS ORDER BY COUNTS DESC, NUMS ※問題是 Query5 載入圖形一直都會殘留 (Query4 載入圖形就可以一直更新) 請教各位前輩們指導 是否語法上或是那裡要更正 謝謝!!! 的值沒有變動 所以才不會改變圖形 請教前輩指導要如何清掉 SELECT的值 謝謝!!! |
K1086
初階會員 發表:63 回覆:148 積分:42 註冊:2007-04-09 發送簡訊給我 |
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