asp.net GridView控件中實現全選的解決方案

第一種：利用客戶端控件實現
JS:
復制代碼 代碼如下:
<script type="text/javascript">
function checkAll()
{
var checklist=document.getElementsByTagName("input");
for(var i=0;i<checklist.length;i++)
{
if(checklist[i].type=="checkbox")
{
checklist[i].checked=document.form1.ck.checked;
}
}
}
</script>

GridView控件：
復制代碼 代碼如下:
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" >
<Columns>
<asp:BoundField DataField="ProductID" HeaderText="產品編號" />
<asp:TemplateField>
<HeaderTemplate>
<input id="ck" type="checkbox" onclick="checkAll();" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="checkbox1" runat="server" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
            
第二種：利用服務器端控件實現
復制代碼 代碼如下:
protected void 全選_CheckedChanged(object sender, EventArgs e)
{
if (全選.Checked == true)
{
for (int i = 0; i < GridView1.Rows.Count; i++)
{
CheckBox ck = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("checkbox1") as CheckBox;
if (ck!=null)
{
ck.Checked = true;
}
}
}
else
{
for (int i = 0; i < GridView1.Rows.Count; i++)
{
CheckBox ck = (CheckBox)GridView1.Rows[i].Cells[0].FindControl("checkbox1") as CheckBox;
if (ck != null)
{
ck.Checked = false;
}
}
}
}