表达方式可能不 一样但是基本原理差不多! var FieldValue:string; begin with ADOQuery1 do begin close; sql.clear; sql.add('select column from table '); open; end; FieldValue:=ADOQuery1.Fields[0].AsString; end;
var FieldValue:string; begin with ADOQuery1 do begin close; sql.clear; sql.add('select column from table'); open; end; if not adoquery1.eof then FieldValue:=ADOQuery1.Fields[0].AsString; else Fieldvalue:='没有'; end;
var FieldValue:string; begin FieldValue:=ADOQuery1.Fields[0].AsString; {FieldValue:=ADOQuery1.Fieldname[字段名].AsString;} end; 祝:身体健康,答案和分数同样重要!!
一样但是基本原理差不多!
var
FieldValue:string;
begin
with ADOQuery1 do
begin
close;
sql.clear;
sql.add('select column from table ');
open;
end;
FieldValue:=ADOQuery1.Fields[0].AsString;
end;
FieldValue:string;
begin
with ADOQuery1 do
begin
close;
sql.clear;
sql.add('select column from table');
open;
end;
if not adoquery1.eof then
FieldValue:=ADOQuery1.Fields[0].AsString;
else
Fieldvalue:='没有';
end;
FieldValue:string;
begin
FieldValue:=ADOQuery1.Fields[0].AsString;
{FieldValue:=ADOQuery1.Fieldname[字段名].AsString;}
end; 祝:身体健康,答案和分数同样重要!!
分数好说好说!
亦祝大家money多多,MM多多,买车买楼,挣钱不用四处走!
提前预大家三八快乐!