<asp:Label ID="lbTime" Font-Bold="true" runat="server" /> <br />
    <asp:Repeater ID="gw1" runat="server">
   <ItemTemplate>
<%# Eval("name") %>|<%# Eval("age") %>|<%# Eval("grade") %><br />(这里是常用的绑定方法,但是效率较低)
<%--<%# ((DataRowView)Container.DataItem)["name"] %>|<%# ((DataRowView)Container.DataItem)["grade"] %>
|<%# ((DataRowView)Container.DataItem)["age"]%>--%>(这是标准绑定语法,效率较高)
   </ItemTemplate>
   </asp:Repeater>

经常在前台写出这样的代码,采用标准的绑定语法,花费的时间将降为为原来的60%左右,可见性能要好不少.

这里是后台测试代码:

        DateTime startTime = DateTime.Now;
        DataTable dt = new DataTable();
        dt.Columns.Add("name");
        dt.Columns.Add("age");
        dt.Columns.Add("grade");
        for (int i = 0; i < 3000; i++)
        {
                DataRow dr = dt.NewRow();
                dr[0] = "Martin" + i.ToString() ;
                dr[1] = "Hehe";
                 dr[2] = "ddddkkk";
                 dt.Rows.Add(dr);
           
        }
        gw1.DataSource = dt;
        gw1.DataBind();
        DateTime endTime = DateTime.Now;

        TimeSpan excutionTime = (TimeSpan)(endTime - startTime);
        lbTime.Text = excutionTime.TotalSeconds.ToString();

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