今天Insus.NET练习JavaScript,实现从父窗口打开一个子窗口,在子窗口处理一些结果之后,把结果赋值于父窗口的文本框内。可看效果:
<script ty
PE="text/javascript">
function popUp(url) {
objS
ubWin = window.open(url, "Popup", "toolbar=no,scrollbars=no,location=no,
statusbar=no,menubar=no,resizable=0,width=300,h
eight=80");
objSubWin.focus();
}
function SetValue(val) {
VAR a
mount = document.getElementById('<% = TextBox
amount.ClientID %>');
amount.value = val;
}
</script>
Amount:
<asp:TextBox ID="TextBoxAmount" runat="server" Enabled="false"></asp:TextBox>
<asp:Button ID="Butto
n1" runat="server" Text="Call child window" OnClientClick="popUp('PageB.aspx')" />
OK,父页完成,接下来写PageB.aspx子页,还是先写Javascript脚本,也有两个函数,一个是验证文本框只能输入数字,另一个是计算方法,在calc()方法内,有呼叫到父窗口的方法。
<script type="text/javascript">
function isNumeric(keyCode) {
return ((keyCode >= 48
&& keyCode <= 57) || keyCode
== 8)
}
function calc() {
if (window.opener != null && !window.opener.closed) {
var qty = document.getElementById('<% = TextBoxqty.ClientID %>');
var
PRice = document.getElementById('<% = TextBo
xprice.ClientID %>');
window.opener.SetValue(parseInt(qty.value) * parseInt(price.value));
}
}
</script>