GridView中查找控件示例

<%@ Page Language="C#" %>
<%@ Import Namespace="System.Collections.Generic" %>

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

<script runat="server">

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            List<int> ids = new List<int>();
            for (int i = 1; i <= 3; i++)
                ids.Add(i);

            GridView1.DataSource = ids;
            GridView1.DataBind();
        }
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        //注意在GridView1.Rows[index]中才能找到控件
        CheckBox chkId = GridView1.Rows[1].FindControl("chkId") as CheckBox;
        if (chkId != null)
            chkId.Checked = true;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>GridView中查找控件示例-Mzwu.Com</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
            <Columns>
                <asp:TemplateField>
                    <ItemTemplate>
                        <asp:CheckBox ID="chkId" Text='<%# Container.DataItem %>' runat="server">
                        </asp:CheckBox>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
    
        <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
    
    </div>
    </form>
</body>
</html>


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