数据绑定

WEB.config:  <connectionStrings>    <add name="conn" connectionString="Data Source=orcl;User ID=qxw;PassWord=123456" PRoviderName="System.Data.OracleClient"/>  </connectionStrings>数据库类：DBTool.cs:    public class DBTool    {        public OracleConnection GetConnection()        {            string str = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;            OracleConnection conn = new OracleConnection(str);            return conn;        }        public DataTable Get_FFLOWList()        {            string sql = "select * from rr";            OracleConnection conn = GetConnection();            OracleDataAdapter oda = new OracleDataAdapter(sql, conn);            DataTable dt = new DataTable();            oda.Fill(dt);            return dt;        }    }载入页面：        protected void Page_Load(object sender, EventArgs e)        {            DBTool tool = new DBTool();            DataTable dt = tool.Get_FFLOWList();            GridView1.DataSource = dt;            GridView1.DataBind();            DataList1.DataSource = dt;            DataList1.DataBind();            Repeater1.DataSource = dt;            Repeater1.DataBind();        }aspX：GridView：        <asp:GridView ID="GridView1" runat="server" BackColor="LightGoldenrodYellow"             BorderColor="Tan" BorderWidth="1px" CellPadding="2"             EnableModelValidation="True" ForeColor="Black" GridLines="None">            <AlternatingRowStyle BackColor="PaleGoldenrod" />            <FooterStyle BackColor="Tan" />            <HeaderStyle BackColor="Tan" Font-Bold="True" />            <PagerStyle BackColor="PaleGoldenrod" ForeColor="DarkSlateBlue"                 HorizontalAlign="Center" />            <SelectedRowStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />        </asp:GridView>DataList：        <asp:DataList ID="DataList1" runat="server" CellPadding="4" ForeColor="#333333">            <HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />        <HeaderTemplate>        <table border="1">        <tr><td>序号</td><td>名字</td></tr>        </HeaderTemplate>            <ItemStyle BackColor="#FFFBD6" ForeColor="#333333" />        <ItemTemplate>        <tr><td><%# DataBinder.Eval(Container.DataItem, "ID")%></td><td><%# DataBinder.Eval(Container.DataItem, "NAME")%></td></tr>        </ItemTemplate>            <AlternatingItemStyle BackColor="White" />            <FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />        <FooterTemplate>        </table>        </FooterTemplate>            <SelectedItemStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="Navy" />        </asp:DataList>Repeater：        <asp:Repeater ID="Repeater1" runat="server"             onitemcommand="Repeater1_ItemCommand">        <HeaderTemplate>        <table border="1"><tr><td>IDD</td><td>NameE</td></tr>        </HeaderTemplate>        <ItemTemplate><tr><td><%# DataBinder.Eval(Container.DataItem, "ID")%></td><td><%# DataBinder.Eval(Container.DataItem, "NAME")%></td></tr></ItemTemplate>        <AlternatingItemTemplate><tr style="background-color:gray;"><td><%# DataBinder.Eval(Container.DataItem, "ID")%></td><td><%# DataBinder.Eval(Container.DataItem, "NAME")%></td></tr></AlternatingItemTemplate>        <FooterTemplate></table></FooterTemplate>        </asp:Repeater>