asp.net GridView控件中实现全选的解决方案_实用技巧

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第一种:利用客户端控件实现
JS:

<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:

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" >
<Columns>
<asp:BoundField DataField="ProductID" HeaderText="产品编号" />
<asp:TemplateField>
<HeaderTemplate>
<input id="ck" type="checkbox" onclick="checkAll();" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="checkbox1" runat="server" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
            
第二种:利用服务器端控件实现

protected void 全选_CheckedChanged(object sender, EventArgs e)
{
if (全选.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;
}
}
}
}
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