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DBGrid选中行颜色有关问题?

发布时间: 2012-02-02 23:57:14 作者: rapoo

DBGrid选中行颜色问题??
dbgrid 设置 dbgrid1.option.dgrowselect:=true
实现行斑马线效果,选中行蓝色显示,现在有个问题,选中行的第一列颜色没变成蓝色 其他是蓝色,请高手指教原因?
procedure TForm2.DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
if ADOQuery1.RecNo mod 2 = 0 then
(Sender as TDBGrid).Canvas.Brush.Color := clWhite //定义背景颜色
else
(Sender as TDBGrid).Canvas.Brush.Color := clScrollBar;
if (State = [gdSelected] ) then
begin
(Sender as TDBGrid).Canvas.Brush.Color := clBlue;
end;
DBGrid1.DefaultDrawColumnCell(Rect,DataCol,Column,State);
end;


[解决办法]
procedure TMainForm.DBGrid1DrawColumnCell(Sender: TObject;
const Rect: TRect; DataCol: Integer; Column: TColumn;
State: TGridDrawState);
begin
if ((Sender as TDbGrid).DataSource.DataSet.RecNo mod 2) = 0 then
(Sender as TDbGrid).Canvas.Brush.Color := clCream //Brush.Color := $00FFFFC1;
else
(Sender as TDbGrid).Canvas.Brush.Color := clWhite;
if ((State = [gdSelected]) or (State = [gdSelected, gdFocused])) and
(not (Sender as TDbGrid).SelectedRows.CurrentRowSelected) then
(Sender as TDbGrid).Canvas.Brush.Color := clHighlight;
(Sender as TDbGrid).DefaultDrawColumnCell(Rect, DataCol, Column, State);
end;
[解决办法]
因为你固定了一列,即fixedcols=1,固定列有它自己的颜色
[解决办法]
5. 为你要的答案~~~~

Delphi(Pascal) code
主  题: Delphi数据网格(DbGrid)色彩特效     实战Delphi数据网格色彩特效  Delphi中的数据网格控件(TDbGrid)对于显示和编辑数据库中大量的数据起着十分重要的作用;然而,在使用数据网格控件的同时,也往往因为表格中大量的数据不易区分,而令操作者眼花缭乱。如何提高网格控件的易用性,克服它的此项不足呢?本文从改变数据网格的色彩配置角度,提出了一种解决办法。  以下为数据网格控件的6种特殊效果的实现方法,至于数据网格控件与数据集如何连接的方法从略。1.   纵向斑马线效果:实现网格的奇数列和偶数列分别以不同的颜色显示,以区别相邻的数据列。  file://在DbGrid的DrawColumnCell事件中编写如下代码:Case   DataCol   Mod   2   =   0   of   True:   DbGrid1.Canvas.Brush.Color:=   clBlue;   file://偶数列用蓝色   False:   DbGrid1.Canvas.Brush.Color:=   clAqua;   file://奇数列用浅绿色  End;  DbGrid1.Canvas.Pen.Mode:=pmMask;  DbGrid1.DefaultDrawColumnCell   (Rect,   DataCol,   Column,   State);2.   纵向斑马线,同时以红色突出显示当前单元格效果:以突出显示当前选中的字段。  file://将上述代码修改为:  Case   DataCol   Mod   2   =   0   of   True:   DbGrid1.Canvas.Brush.Color:=   clBlue;   file://偶数列用蓝色   False:   DbGrid1.Canvas.Brush.Color:=   clAqua;   file://奇数列用浅绿色  End;  If   ((State   =   [gdSelected])   or   (State=[gdSelected,gdFocused]))   then    If   Not   DbGrid1.SelectedRows.CurrentRowSelected   then      DbGrid1.Canvas.Brush.Color:=clRed;   file://当前选中单元格显示红色      DbGrid1.Canvas.Pen.Mode:=pmMask;      DbGrid1.DefaultDrawColumnCell   (Rect,   DataCol,   Column,   State);上述两种方法突出了列的显示效果。3.在数据网格中以红色突出显示当前选中的行:  设置DbGrid控件的Options属性中的dgRowSelect属性为真,Color属性为clAqua(背景色),   在DbGrid的DrawColumnCell事件中编写如下代码:  if   ((State   =   [gdSelected])   or   (State=[gdSelected,gdFocused]))   then   DbGrid1.Canvas.Brush.color:=clRed;   file://当前行以红色显示,其它行使用背景的浅绿色   DbGrid1.Canvas.pen.mode:=pmmask;   DbGrid1.DefaultDrawColumnCell   (Rect,   DataCol,   Column,   State);4.行突显的斑马线效果:既突出当前行,又区分不同的列(字段)。  file://其它属性设置同3,将上述代码修改为:  if   ((State   =   [gdSelected])   or   (State=[gdSelected,gdFocused]))   then   begin    Case   DataCol   Mod   2   =   0   of     True   :   DbGrid1.Canvas.Brush.color:=clRed;   file://当前选中行的偶数列显示红色     False:   DbGrid1.Canvas.Brush.color:=clblue;   file://当前选中行的奇数列显示蓝色    end;   DbGrid1.Canvas.pen.mode:=pmmask;   DbGrid1.DefaultDrawColumnCell   (Rect,   DataCol,   Column,   State);  end;5.横向斑马线,同时以红色突显当前行效果:  file://其它属性设置同3,将上述代码修改为:  Case   Table1.RecNo   mod   2   =   0   of   file://根据数据集的记录号进行判断   True   :   DbGrid1.Canvas.Brush.color:=clAqua;   file://偶数行用浅绿色显示   False:   DbGrid1.Canvas.Brush.color:=clblue;   file://奇数行用蓝色表示  end;  if   ((State   =   [gdSelected])   or   (State=[gdSelected,gdFocused]))   then   file://选中行用红色显示   DbGrid1.Canvas.Brush.color:=clRed;   DbGrid1.Canvas.pen.mode:=pmMask;   DbGrid1.DefaultDrawColumnCell   (Rect,   DataCol,   Column,   State);6.双向斑马线效果:即行间用不同色区分,同时,选中行以纵向斑马线效果区分不同的列。  file://其它属性设置同3,将上述代码修改为:  Case   Table1.RecNo   mod   2   =   0   of   file://根据数据集的记录号进行判断   True   :   DbGrid1.Canvas.Brush.color:=clAqua;   file://偶数行用浅绿色显示   False:   DbGrid1.Canvas.Brush.color:=   clblue;   file://奇数行用蓝色表示  end;  If   ((State   =   [gdSelected])   or   (State=[gdSelected,gdFocused]))   then  Case   DataCol   mod   2   =   0   of   True   :   DbGrid1.Canvas.Brush.color:=clRed;   file://当前选中行的偶数列用红色   False:   DbGrid1.Canvas.Brush.color:=   clGreen;   file://当前选中行的奇数列用绿色表示  end;DbGrid1.Canvas.pen.mode:=pmMask;  DbGrid1.DefaultDrawColumnCell   (Rect,   DataCol,   Column,   State);7.   随意控制DBGrid   每一行的颜色:Varp   :   Integer;beginp   :=   Table1.FindField('wage').AsInteger;//取得当前记录的Wage字段的值。if(p   <   500)   then   begin   //程序将根据wage值设置各行的颜色。Color   :=   clGreen;Font.Style   :=   [fsItalic];   //不仅可以改变颜色,还可以改变字体end;if     (p   >=   500)   And   (p   <   800)   thenColor   :=   clRed;if(p   >=800)   then   beginColor   :=   clMaroon;Font.Style   :=   [fsBold];end;end 


[解决办法]

引用楼主 wellwelcome 的帖子:
dbgrid 设置 dbgrid1.option.dgrowselect:=true
实现行斑马线效果,选中行蓝色显示,现在有个问题,选中行的第一列颜色没变成蓝色 其他是蓝色,请高手指教原因?
procedure TForm2.DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
if ADOQuery1.RecNo mod 2 = 0 then
(Sender as TDBGrid).Canvas.Brush.Color := cl…

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