如何从数据库中检索数据? [英] how to retrieve data from database?

问题描述

我有一个单选按钮控件，我想对每个选定的索引使用不同的选择查询从数据库中检索数据.
例如:如果选择单选按钮列表的索引0，则应调用选择查询，如果选择1，则应调用其他选择查询.
如何编写代码?
我需要一些常规概述和语法..

i have a radiobuttonlist control and i want to retrieve the data from database using different select query for each selected index.
for eg: if index 0 of radiobuttonlist is selected, it should call a select query and if 1, some other select query.
how to write the code?
i want some general overview and syntax..

推荐答案

在RadioButtonList1_SelectedIndexChanged事件中执行此操作
1.设置AutoPost Back属性= true
2.在RadioButtonList1_SelectedIndexChanged事件中执行此操作

Do this in RadioButtonList1_SelectedIndexChanged event
1. Set AutoPost Back property = true
2. In RadioButtonList1_SelectedIndexChanged event do this

if (RadioButtonList1.SelectedValue == "0")
     //select query
else if (RadioButtonList1.SelectedValue == "1")
    //select query
//and so on

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