gridview 新的js checkbox 全选

最新推荐文章于 2024-09-10 12:58:32 发布

原创最新推荐文章于 2024-09-10 12:58:32 发布 · 3.1k 阅读

1 ·

CC 4.0 BY-SA版权

文章标签：

#input #button #server #asp #div #dataset

这篇博客详细介绍了如何在ASP.NET的GridView控件中使用JavaScript实现Checkbox的全选和反选功能，通过操作input类型的checkbox，结合server端的处理，实现了数据集(dataset)的动态绑定，并利用div布局优化用户体验。

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Grdview_HtmlChekbox.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

// 说明：Javascript 控制 CheckBox 的全选与取消全选 // 整理：http://www.CodeBit.cn

function checkAll(name)

{

var el = document.getElementsByTagName('input');

var len = el.length;

for(var i=0; i<len; i++)

{

if((el[i].type=="checkbox") && (el[i].name==name))

{

el[i].checked = true;

}

function clearAll(name)

{

var el = document.getElementsByTagName('input');

var len = el.length;

for(var i=0; i<len; i++)

{

if((el[i].type=="checkbox") && (el[i].name==name))

{

el[i].checked = false;

}

</script>

</head>

<body>

<div>

<input type="checkbox" name="test" value="" onclick="if(this.checked==true) { checkAll('test'); } else { clearAll('test'); }" /> 字母全选开关

<input type="checkbox" name="test" value="a" /> a

<input type="checkbox" name="test" value="b" /> b

<input type="checkbox" name="test" value="c" /> c

<input type="checkbox" name="test" value="d" /> d

<input type="checkbox" name="test" value="e" /> e

<input type="checkbox" name="test" value="f" /> f

<input type="checkbox" name="test" value="g" /> g

<br />

<input type="checkbox" name="num" value="" onclick="if(this.checked==true) { checkAll('num'); } else { clearAll('num'); }" /> 数字全选开关

<input type="checkbox" name="num" value="1" /> 1 <input type="checkbox" name="num" value="2" /> 2

<br />

<br />

<asp:CheckBox ID="CheckBox1" runat="server" /><br />

</div>

<asp:GridView ID="GridView1" runat="server" Font-Size="10pt" Height="215px" Width="698px" DataKeyNames="id">

<asp:TemplateField>

<%-- <asp:CheckBox ID="CheckBox2" name ="test" runat="server" />--%>

<input value ="<%#Eval("id") %>" name = "chOne" type="checkbox" />

</ItemTemplate>

</HeaderTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="删除" /></div>

<div>

</div>

</form>

</body>

</html>

----------

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)

{

bind();

}

//数据绑定

protected void bind()

{

SqlConnection conn = new SqlConnection("server=.;uid=sa;pwd=;database=test");

SqlDataAdapter da = new SqlDataAdapter("select * from users",conn);

DataSet DS = new DataSet();

conn.Open();

da.Fill(DS,"users");

conn.Close();

this.GridView1.DataSource = DS.Tables["users"];

this.GridView1.DataBind();

}

protected void Button1_Click(object sender, EventArgs e)

{

if (Request.Form["chOne"]!=null)

{

string ids = Request.Form["chOne"].ToString();

}