asp.net 数据绑定的实例代码

2024-07-10 12:44:48

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代码如下:
public partial class _Default : System.Web.UI.Page
{
    protected string title="大家好";            //前台代码<title><%#title %></title>
    protected void Page_Load(object sender, EventArgs e)
    {
        DataSet ds = new DataSet();
        string sql = ConfigurationManager.ConnectionStrings["strsql"].ConnectionString;
        using (SqlConnection sqlCnn=new SqlConnection(sql))
        {
            using (SqlCommand sqlCmm=sqlCnn.CreateCommand())
            {
                sqlCmm.CommandText = "select * from List";
                SqlDataAdapter adapter = new SqlDataAdapter(sqlCmm);
                adapter.Fill(ds);
            }
            this.RadioButtonList1.DataSource = ds.Tables[0];
            this.RadioButtonList1.DataTextField = "listname";
            this.RadioButtonList1.DataValueField = "id";
            //this.RadioButtonList1.DataBind();
            this.CheckBoxList1.DataSource = ds.Tables[0];
            this.CheckBoxList1.DataTextField = "listname";
            this.CheckBoxList1.DataValueField = "id";
            //this.RadioButtonList1.DataBind();
            this.DataBind();
        }            //数据绑定到RadioButtonList,CheckBoxList
        if (!IsPostBack)
        {
            DataSet ds1 = new DataSet();
            using (SqlConnection sqlCnn1 = new SqlConnection(sql))
            {
                using (SqlCommand sqlCmm1 = sqlCnn1.CreateCommand())
                {

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