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rs.beforefirst

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在jsp中用bean和servlet联...

{ boolean has_data = this.rs.first(); this.rs.beforefirst(); return has_data; }catch(sqlexception e){ system.out.println(e.tostring()); return ......
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分页显示数据库信_图文

rs.beforeFirst(); 26. else 27. rs.absolu...
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JSP实现用户的登陆注册

rs_afterLast() { try{ this.rs.afterLast(); }catch(SQLException e){ System.out.println(e.toString()); } } public void rs_beforeFirst() { try{......
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第七章 数据库访问

previous(); 下面哪项对该 rs 描述正确 A)rs.isFirst()为真 B)rs.ifLast()为真 C)rs.isAfterLast()为真 D)rs.isBeforeFirst()为真 21.下列代码生成了......
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Link-database

{ boolean has_Data = this.rs.first(); this.rs.beforeFirst(); return has_Data; }catch(SQLException e){ System.out.println(e.toString()); return ......
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使用jsp来实现用户的登陆...

rs_afterLast() { try{ this.rs.afterLast(); }catch(SQLException e){ System.out.println(e.toString()); } } public void rs_beforeFirst() { try{......
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在jsp中用bean和servlet联...

rs_afterLast() { try{ this.rs.afterLast(); }catch(SQLException e){ System.out.println(e.toString()); } } public void rs_beforeFirst() { try{......
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