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UpdatePanel学习

2016-03-18 15:38 162 查看
<%--前台--%>

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication3.WebForm1" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title></title>

</head>

<body>

<form id="form1" runat="server">

<div>

<asp:TextBox ID="textbox1" runat="server" OnTextChanged="textbox1_TextChanged" AutoPostBack="true"></asp:TextBox>

<asp:TextBox ID="textbox2" runat="server"></asp:TextBox>

<div>

<asp:ScriptManager ID="ScriptManager1" runat="server">

</asp:ScriptManager>

</div>

<asp:UpdatePanel ID="uid" runat="server">

<ContentTemplate>

<div>

<asp:Button ID="Button1" runat="server" Text="异步回送" OnClick="Button1_Click1" />  

<asp:Button ID="Button2" runat="server" Text="整页回送" OnClick="Button2_Click" /><br />

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Width="197px">

<Columns>

<asp:BoundField DataField="au_lname" FooterText="aaaa" HeaderText="au_lname" />

</Columns>

</asp:GridView>

<br />

<asp:Label ID="Label1" runat="server" Text="当前时间" Font-Bold="True" Font-Size="Large"></asp:Label>

</div>

</ContentTemplate>

<Triggers>

<asp:AsyncPostBackTrigger ControlID="Button1" />

<asp:PostBackTrigger ControlID="Button2" />

</Triggers>

</asp:UpdatePanel>

</div>

</form>

</body>

</html>

//后台

protected void Button1_Click1(object sender, EventArgs e)

{

DataTable dt = new DataTable();

dt.Columns.Add("au_lname");

for (int i = 0; i < 10; i++)

{

DataRow dr = dt.NewRow();

dr["au_lname"] = i.ToString();

dt.Rows.Add(dr);

}

this.GridView1.DataSource = dt.DefaultView;

this.GridView1.DataBind();

}

protected void Button2_Click(object sender, EventArgs e)

{

this.Label1.Text = DateTime.Now.ToString();

}
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