前台：
asp:gridview
id="gridview1"
runat
="server"
allowpaging
="true"
autogeneratecolumns
="false"
="areaid"
datasourceid
="sqldatasource1"
>
<
columns
>
<
asp:boundfield
datafield
="areaid"
headertext
="areaid"
readonly
="true"
sortexpression
="areaid"
/>
<
asp:boundfield
datafield
="cityid"
headertext
="cityid"
sortexpression
="cityid"
/>
<
asp:templatefield
>
<
headertemplate
>
<
asp:checkbox
id="chkall"
runat
="server"
autopostback
="true"
oncheckedchanged
="chkall_checkedchanged"
/>
headertemplate
>
<
itemtemplate
>
<
asp:checkbox
id="chkitem"
runat
="server"
/>
itemtemplate
>
asp:templatefield
>
columns
>
asp:gridview
>
後台：
protected void chkall_checkedchanged(object sender, eventargs e)
}
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