GridView使用CheckBox实现全选

aspx

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<asp:GridView ID="GridView1" runat="server" AllowPaging="True" AutoGenerateColumns="False"
            DataKeyNames="ID" DataSourceID="AccessDataSource1">
            <Columns>
                <asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" ReadOnly="True"
                    SortExpression="ID" />
                <asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
                <asp:BoundField DataField="Pass" HeaderText="Pass" SortExpression="Pass" />
                <asp:BoundField DataField="Dj" HeaderText="Dj" SortExpression="Dj" />
                <asp:BoundField DataField="CreateTime" HeaderText="CreateTime" SortExpression="CreateTime" />
                <asp:BoundField DataField="Email" HeaderText="Email" SortExpression="Email" />
                <asp:BoundField DataField="ShenHe" HeaderText="ShenHe" SortExpression="ShenHe" />
                <asp:TemplateField>
                    <HeaderTemplate>
                        全选<asp:CheckBox ID="CheckBox2" runat="server" OnCheckedChanged="CheckBox2_CheckedChanged" AutoPostBack="True" />
                    </HeaderTemplate>
                    <ItemTemplate>
                        <asp:CheckBox ID="CheckBox1" runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>

.aspx.cs

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    protected void CheckBox2_CheckedChanged(object sender, EventArgs e)
    {
        int i;
        if (((CheckBox)sender).Checked)
        {
            for (i = 0; i < GridView1.Rows.Count; i++)
            {
                ((CheckBox)GridView1.Rows[i].FindControl("CheckBox1")).Checked = true;
            }
        }
        else
        {
            for (i = 0; i < GridView1.Rows.Count; i++)
            {
                ((CheckBox)GridView1.Rows[i].FindControl("CheckBox1")).Checked = false;
            }
        }
    }