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I'm trying to show a modal dialog when the user click on an ASP.Net button. This is my page:
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title></title>
<script src="js/jquery-1.2.6.min.js" type="text/javascript"></script>
<script src="js/jquery-ui-1.6.custom.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
$("#dialog").dialog({
bgiframe: true,
autoOpen: false,
height: 300,
modal: true,
buttons: {
'Ok': function() {
$(this).dialog('close');
},
Cancel: function() {
$(this).dialog('close');
}
},
close: function() {
;
}
});
});
function ShowDialog() {
$('#dialog').dialog('open');
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="TreeNew" runat="server" Text="New" OnClientClick="ShowDialog();"/>
<asp:Label ID="Message" runat="server"></asp:Label>
<div id="dialog" title="Select content type">
<p id="validateTips">All form fields are required.</p>
<asp:RadioButtonList ID="ContentTypeList" runat="server">
<asp:ListItem Value="1">Text</asp:ListItem>
<asp:ListItem Value="2">Image</asp:ListItem>
<asp:ListItem Value="3">Audio</asp:ListItem>
<asp:ListItem Value="4">Video</asp:ListItem>
</asp:RadioButtonList>
</div>
</div>
</form>
</body>
</html>
When I click on TreeNew button appears modal popup but inmediately the page do postback.
What's happening?
407
While adding a return false; will fix your problem (as suggested by other answers), I think the best thing for you to do is use a standard HTML button. There is no reason to use an ASP.NET control in this case since you do not intend to postback.
If you insist to use a ASP.NET button, however, at least set UseSubmitBehavior="False" so that the button is rendered as <input type="button"/> instead of <input type="submit"/>.
77
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