protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[] {
new DataColumn("id",typeof(Int32)),
new DataColumn("num1",typeof(Int32)),
new DataColumn("num2",typeof(Int32))
});
DataRow dr = null;
dr = dt.NewRow();
dr["id"] = 1;
dr["num1"] = 20;
dr["num2"] = 40;
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["id"] = 2;
dr["num1"] = 40;
dr["num2"] = 30;
dt.Rows.Add(dr);
this.GridView1.DataSource = dt.DefaultView;
this.GridView1.DataBind();
}
}
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:TemplateField HeaderText="状态">
<ItemTemplate>
<asp:CheckBox ID="checkstate" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="编号">
<ItemTemplate>
<asp:Label ID="lblId" runat="server"> <%#Eval("id") %></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="数字1">
<ItemTemplate>
<asp:Label ID="lblNum1" runat="server"> <%#Eval("num1") %></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="数字2">
<ItemTemplate>
<asp:Label ID="lblNum2" runat="server"> <%#Eval("num2") %></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="平均值">
<ItemTemplate>
<asp:TextBox ID="avg_value" runat="server" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
<script src="js/jquery-1.4.2.js"></script>
<script type="text/javascript">
$(function () {
$("#<%=GridView1.ClientID%>").find("tr td input[type=checkbox]").each(function () {
$(this).bind("click", function () {
if (this.checked) {
var id = $(this).parent().parent().find("span[id*=lblId]").text();
var num1 = $(this).parent().parent().find("span[id*=lblNum1]").text();
var num2 = $(this).parent().parent().find("span[id*=lblNum2]").text();
var result = (parseFloat(num1) + parseFloat(num2)) / 2;
$(this).parent().parent().find("input[id*=avg_value]").val(result);
} else {
$(this).parent().parent().find("input[id*=avg_value]").val("");
}
});
});
});
</script>
<html>
<head>
<script type="text/javascript" src="jquery-1.4.2.js"></script>
<script type="text/javascript">
$(function(){
$("table tr td").each(function(){
$(this).find("[type=button]").click(function(){
alert($(this).parent().parent().find("[type=text]").val());
});
});
});
</script>
</head>
<body>
<table>
<tr>
<td>1</td>
<td><input type=text value="数据1" /></td>
<td><input type=button onclick="GetTest()" value="获取" /></td>
</tr>
<tr>
<td>2</td>
<td><input type=text value="数据2" /></td>
<td><input type=button onclick="GetTest()" value="获取" /></td>
</tr>
</table>
</body>
</html>
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