可以自画吗?? 以下语句都可以放在数据区产生序号 但放不到DBGRIDEH灰色的左栏 1、 begin if DataCol = 0 then //設置在第一列 begin if DBGrideh1.DataSource.DataSet.state<>dsInsert then i:= DBGrideh1.DataSource.DataSet.recno; //這句是關鍵 DBGrideh1.Canvas.TextRect(Rect, Rect.Left + 2, Rect.Top + 2, IntToStr(i)); //inc(i); //將这名改为以下内容 if i<=dbgrideh1.DataSource.DataSet.RecordCount then inc(i) else i:=dbgrideh1.DataSource.DataSet.RecordCount +1; end; end;2、更简单的语句 { begin if Column.Index = 0 then with DBGrideh1.Canvas do begin FillRect(Rect); TextOut(Rect.Left+2, Rect.Top+2, IntToStr(DBGrideh1.DataSource.DataSet.RecNo)); end;
恩 放在数据区不是难事 要用DBGridEh估计要改控件。
procedure TForm1.DBGridEh1DrawColumnCell(Sender: TObject; const Rect: TRect; DataCol: Integer; Column: TColumnEh; State: TGridDrawState); begin DBGridRecordSize(Column); if Column.Index = 0 then if DBGridEh1.SumList.RecNo <> -1 then DBGridEh1.Canvas.TextRect(Rect, Rect.Left + 3, Rect.Top + 2, IntToStr(DBGridEh1.SumList.RecNo)); end; 给分吧,我用过的
xuxugr 你说的例子在编译时出现[Error] Unit2.pas(185): Missing operator or semicolon [Fatal Error] Unit1.pas(34): Could not compile used unit 'Unit2.pas'要怎样解决吗??
用MyDBGridEh 这个控件可以
1、
begin
if DataCol = 0 then //設置在第一列
begin
if DBGrideh1.DataSource.DataSet.state<>dsInsert then
i:= DBGrideh1.DataSource.DataSet.recno; //這句是關鍵
DBGrideh1.Canvas.TextRect(Rect, Rect.Left + 2, Rect.Top + 2, IntToStr(i));
//inc(i); //將这名改为以下内容
if i<=dbgrideh1.DataSource.DataSet.RecordCount then
inc(i)
else
i:=dbgrideh1.DataSource.DataSet.RecordCount +1; end;
end;2、更简单的语句
{ begin
if Column.Index = 0 then
with DBGrideh1.Canvas do begin
FillRect(Rect);
TextOut(Rect.Left+2, Rect.Top+2, IntToStr(DBGrideh1.DataSource.DataSet.RecNo)); end;
恩 放在数据区不是难事
要用DBGridEh估计要改控件。
const Rect: TRect; DataCol: Integer; Column: TColumnEh;
State: TGridDrawState);
begin
DBGridRecordSize(Column);
if Column.Index = 0 then
if DBGridEh1.SumList.RecNo <> -1 then
DBGridEh1.Canvas.TextRect(Rect, Rect.Left + 3, Rect.Top + 2,
IntToStr(DBGridEh1.SumList.RecNo));
end;
给分吧,我用过的
[Fatal Error] Unit1.pas(34): Could not compile used unit 'Unit2.pas'要怎样解决吗??