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Question

在DataGrid中有两列，一列为金额，一列为CHECKBOX（也就是是否选中）
我要在JS中写代码。如果选中了则在文本框里写入金额。如：（1表示选中）     checkbox        money
        1             42
        1             30
        2             20在文本框里显示的应为72

Answer 1

可以参考一个这个
http://community.csdn.net/Expert/topic/4309/4309523.xml?temp=5.094546E-02

Answer 2

csdn.aspx<%@ Page language="c#" Codebehind="csdn.aspx.cs" AutoEventWireup="false" Inherits="Grove.ASPnet.csdn" %>
<form id="Form1" method="post" runat="server">
        <asp:DataGrid id="DataGrid1" runat="server">
                <Columns>
                        <asp:TemplateColumn>
                                <HeaderTemplate>
                                        Checkbox
                                </HeaderTemplate>
                                <ItemTemplate>
                                        <asp:CheckBox id="chkSelect" Runat="server"></asp:CheckBox>
                                </ItemTemplate>
                        </asp:TemplateColumn>
                </Columns>
        </asp:DataGrid>
        <input type="text" id="SumMoney" value="0">
</form>
<script>
var iTotalMoney = 0;
function CountMoney(chk, iMoney)
{
        if (chk.checked)
        {
                iTotalMoney += iMoney;
        }
        else
        {
                iTotalMoney -= iMoney;
        }
        document.getElementById("SumMoney").value = iTotalMoney;
}
</script>
csdn.aspx.csusing System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;namespace Grove.ASPnet
{
        /// <summary>
        /// csdn 的摘要说明。
        /// </summary>
        public class csdn : System.Web.UI.Page
        {
                protected System.Web.UI.WebControls.DataGrid DataGrid1;
        
                private void Page_Load(object sender, System.EventArgs e)
                {
                        ArrayList al = new ArrayList();
                        al.Add("42");
                        al.Add("30");
                        al.Add("20");
                        al.Add("10");
                        al.Add("50");                        DataGrid1.DataSource = al;
                        DataGrid1.DataBind();
                }                private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) 
                {
                        if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
                        {
                                CheckBox chk = (CheckBox)e.Item.FindControl("chkSelect");
                                chk.Attributes.Add("onclick","CountMoney(this, " + e.Item.DataItem +")");
                        }
                }
                #region Web 窗体设计器生成的代码
                override protected void OnInit(EventArgs e)
                {
                        //
                        // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
                        //
                        InitializeComponent();
                        base.OnInit(e);
                }
                
                /// <summary>
                /// 设计器支持所需的方法 - 不要使用代码编辑器修改
                /// 此方法的内容。
                /// </summary>
                private void InitializeComponent()
                {    
                        this.DataGrid1.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemCreated);
                        this.Load += new System.EventHandler(this.Page_Load);                }
                #endregion
        }
}