procedure InsertFieldInfo(combobox : TComboBox ; fieldname : String ; table : TADOTable);begin
table.First; while table.Eof = false do
begin
combobox.Items.Add( table.fieldbyname( fieldname ).AsString );
table.Next;
end; end;procedure TDiaoPaiForm.FormCreate(Sender: TObject);
var
fieldname : String;
table : TADOTable;
begin
table := TADOTable.Create(application);
ClothDataModule.m_Table.Close;
ClothDataModule.m_Table.TableName := '年份编号';
ClothDataModule.m_Table.Open;
table := ClothDataModule.m_Table;
fieldname := '年份编号';
InsertFieldInfo(m_cbNianFenBianHao ; fieldname ; table);end;
显示的错误信息是:
[Error] DiaoPaiFrm.pas(97): Not enough actual parameters
[Error] DiaoPaiFrm.pas(97): Statement expected, but expression of type 'String' found
[Error] DiaoPaiFrm.pas(61): Unsatisfied forward or external declaration: 'TDiaoPaiForm.InsertFieldInfo'
table.First; while table.Eof = false do
begin
combobox.Items.Add( table.fieldbyname( fieldname ).AsString );
table.Next;
end; end;procedure TDiaoPaiForm.FormCreate(Sender: TObject);
var
fieldname : String;
table : TADOTable;
begin
table := TADOTable.Create(application);
ClothDataModule.m_Table.Close;
ClothDataModule.m_Table.TableName := '年份编号';
ClothDataModule.m_Table.Open;
table := ClothDataModule.m_Table;
fieldname := '年份编号';
InsertFieldInfo(m_cbNianFenBianHao ; fieldname ; table);end;
显示的错误信息是:
[Error] DiaoPaiFrm.pas(97): Not enough actual parameters
[Error] DiaoPaiFrm.pas(97): Statement expected, but expression of type 'String' found
[Error] DiaoPaiFrm.pas(61): Unsatisfied forward or external declaration: 'TDiaoPaiForm.InsertFieldInfo'
但是不知道为什么,谢谢大家了
table.fieldbyname(fieldname).AsString
不对
是你的procedure InsertFieldInfo(combobox : TComboBox ; fieldname : String ; table : TADOTable);有问题
加上这个咚咚
procedure TDiaoPaiForm.InsertFieldInfo(combobox : TComboBox ; fieldname : String ; table : TADOTable);你忘了加上TDiaoPaiForm.了
看看是不是这个原因
~~~ ~~~
函數/過程 在調用的時候,參數用分號分隔嘛?
table.First; while table.Eof = false do
begin
combobox.Items.Add( table.fieldbyname( '''+fieldname+''' ).AsString );
table.Next;
end; end;试看看~
你想把另外一个表里的东西插入动态生成的表里,然后再在那个下拉框里显示,是不是啊
试试下面的(已调试):
procedure TForm1.FormCreate(Sender: TObject);
var
fieldname1,s : String;
table : TADOTable;
begin
table := TADOTable.Create(application);
adotable1.Close;
adotable1.TableName := 'a';
adotable1.Open;
table := adotable1;
fieldname1 := 'a';
adotable1.First;
while adotable1.Eof = false do
begin
s:=table.fieldbyname('userid').AsString;
combobox1.Items.Add(s);
adotable1.Next;
end;
end;
表a的结构:
create table a(userid char);
insert into a values('1')
insert into a values('2')根据这个你就知道问题出在哪里了,由这个启示把你的改正过来吧