请问怎么将数据库里的整型字段的值取出来跟一个整型变量比较大小呢?
sql语句怎么写where后的,请看: with adoquery1 do
begin
close;
sql.Clear;
showmessage(inttostr(node.AbsoluteIndex));///存在node.AbsoluteIndex值
sql.Add('select * from Table_Tree where ');
sql.add('Item_ID>=node.AbsoluteIndex');///////这里怎么写??这样写报错"AbsoluteIndex没默认值"
showmessage(inttostr(node.absoluteIndex));
open;
end;with adoquery1 do
begin
close;
sql.Clear;
sql.Add('select * from Table_Tree where ');
sql.add('Item_ID>='''+inttostr(node.AbsoluteIndex)+'''');////这样写报错"类型不匹配"
open;
end;
sql语句怎么写where后的,请看: with adoquery1 do
begin
close;
sql.Clear;
showmessage(inttostr(node.AbsoluteIndex));///存在node.AbsoluteIndex值
sql.Add('select * from Table_Tree where ');
sql.add('Item_ID>=node.AbsoluteIndex');///////这里怎么写??这样写报错"AbsoluteIndex没默认值"
showmessage(inttostr(node.absoluteIndex));
open;
end;with adoquery1 do
begin
close;
sql.Clear;
sql.Add('select * from Table_Tree where ');
sql.add('Item_ID>='''+inttostr(node.AbsoluteIndex)+'''');////这样写报错"类型不匹配"
open;
end;
解决方案 »
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