根据数据库内容生成单选按钮组

来源：互联网发布：华裔女演员知乎编辑：程序博客网时间：2024/06/06 15:43

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            bindToRBList();
        }
    }

    private void bindToRBList()
    {
        //连接数据库字符串
        string connStr = ConfigurationManager.ConnectionStrings["SQLCONNECTIONSTRING"].ConnectionString;

        //创建一个数据库连接对象
        SqlConnection conn = new SqlConnection(connStr);
        //定义 Sql 语句
        string cmdText = "SELECT * FROM tTest";

        SqlCommand cmd = new SqlCommand(cmdText, conn);
        SqlDataReader sdr = null;
        try
        {
            //打开数据库连接
            conn.Open();
            //读取数据库数据
            sdr = cmd.ExecuteReader();

            //读取 sdr 数据并将数据添加到 RBtnList 对象中
            while (sdr.Read())
            {
                RBtnList.Items.Add(new ListItem(sdr["Name"].ToString(), sdr["ID"].ToString()));
            }
            //关闭读取器
            sdr.Close();
        }
        catch (SqlException sqlex)
        {
            //显示连接数据库出错消息
            throw new Exception(sqlex.Message, sqlex);
        }
        finally
        {
            //关闭数据库连接
            conn.Close();
        }
    }
}