(本文来源于图老师网站,更多请访问https://m.tulaoshi.com/bianchengyuyan/)
procedure TComLocateFrm.LocateBtnClick(Sender: TObject);
var
setLoOptions : TLocateOptions;
i : integer;
slKeys : TStrings;
begin
if ComboBox1.Items.IndexOf(ComboBox1.Text)0 then
try
slKeys := TStringList.Create;
slKeys.AddStrings(ComboBox1.Items);
ComboBox1.Items.Clear;
ComboBox1.Items.Add(ComboBox1.Text);
for i := 0 to 8 do
if i slKeys.Count then
ComboBox1.Items.Add(slKeys.Strings[i]);
finally
slKeys.Free;
end
else begin
i := ComboBox1.Items.IndexOf(ComboBox1.Text);
ComboBox1.Items.Insert(0,ComboBox1.Text);
ComboBox1.Items.Delete(i+1);
ComboBox1.ItemIndex := 0;
end;
if rdoExactly.Checked then
setLoOptions := []
else
setLoOptions := [loPartialKey];
if Not DesDataSet.Locate('ZTM', ComboBox1.Text, setLoOptions) then
MessageBox(Handle, '没有找到符合条件的记录。', '提示', 0+64);
end;