Create Three .aspx Files
TreeViewDataSet.aspx
<% @ Import namespace = "Microsoft.Web.ui.WebControls"%> <% @ register tagprefix = "ie" namespace = "microsoft.web.ui.webcontrols" assembly = "Microsoft.Web.ui.WebControls"%>
TreeViewDataSet.aspx </ title> </ head> <body> <form runat = "server"> <IE: TreeView AutoPostback = "TREENODESRC =" Categories.aspx "runat =" Server "/> </ form> </ body> </ html></p>
<p>Categories.aspx <% @ import namespace = "system.data"%> <% @ Import namespace = "system.data.sqlclient"%></p>
<p><Script runat = "server"> SUB Page_load Dim Mycon As SqlConnection Dim Cmdcategories As Sqlcommand Dim Dscategories As DataSet Dim Strquery As String</p>
<p>mycon = New Sqlconnection ( "Server = localhost; UID = sa; PWD = secret; Database = Northwind") strQuery = "select categoryname as Text, '? products.aspx catid =' LTRIM (STR (CategoryID))" & _ "As TreeNodeSrc from Categories As TreeNode for xml auto, XMLDATA" cmdCategories = new SqlCommand (strQuery, mycon) dsCategories = New DataSet dsCategories.ReadXML (cmdCategories.ExecuteXmlReader (), XmlReadMode.Fragment) dsCategories.DataSetName = "TREENODES" dsCategories.WriteXml (Response.outputstream) End sub </ script></p>
<p>Products.aspx <% @ import namespace = "system.data"%> <% @ import namespace = "system.data.sqlclient"%></p>
<p><Script runat = "Server"> sub page_load Dim mycon as SqlConnection Dim cmdProducts As SqlCommand Dim dsProducts As DataSet Dim strQuery As Stringmycon = New Sqlconnection ( "Server = localhost; UID = sa; PWD = secret; Database = Northwind") strQuery = "select Productname as Text from products As TreeNode" & _ "where categoryID = @ categoryID for xml auto, XMLDATA" cmdproducts = new SqlCommand (strQuery, mycon) cmdproducts.Parameters.Add (New SqlParameter ( "@ categoryID", Request.QueryString ( "catID"))) mycon.open () dsproducts = New DataSet dsproducts.ReadXML (cmdproducts.ExecuteXmlReader (), XmlReadMode.Fragment) dsproducts.DataSetName = "TREENODES" dsproducts.WriteXml (Response.OutputStream) mycon.close () End Sub </ script></p></div><div class="text-center mt-3 text-grey">
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</div><div></div></div></div><ul class="postlist list-unstyled">
</ul></div></div><div class="d-none threadlist"><input type="checkbox" name="modtid" value="101506" checked /></div></div></div></div></div><footer class="text-muted small bg-dark py-4 mt-3" id="footer"><div class="container"><div class="row"><div class="col">CopyRight © 2020 All Rights Reserved
</div><div class="col text-right">Processed:
<b>0.051</b>, SQL:
<b>9</b></div></div></div></footer><script src="./lang/en-us/lang.js?2.2.0"></script><script src="view/js/jquery.min.js?2.2.0"></script><script src="view/js/popper.min.js?2.2.0"></script><script src="view/js/bootstrap.min.js?2.2.0"></script><script src="view/js/xiuno.js?2.2.0"></script><script src="view/js/bootstrap-plugin.js?2.2.0"></script><script src="view/js/async.min.js?2.2.0"></script><script src="view/js/form.js?2.2.0"></script><script>
var debug = DEBUG = 0;
var url_rewrite_on = 1;
var url_path = './';
var forumarr = {"1":"Tech"};
var fid = 1;
var uid = 0;
var gid = 0;
xn.options.water_image_url = 'view/img/water-small.png';
</script><script src="view/js/wellcms.js?2.2.0"></script><a class="scroll-to-top rounded" href="javascript:void(0);"><i class="icon-angle-up"></i></a><a class="scroll-to-bottom rounded" href="javascript:void(0);" style="display: inline;"><i class="icon-angle-down"></i></a></body></html><script>
var forum_url = 'list-1.html';
var safe_token = 'pHLLtSBLsafrkWKljzXiwt7fLOXfUoGvbrj4bZ_2FU8tXoXqk1H59EzKXIE_2Bk6Hzexx3HHC_2FnuwMKoSs_2BBLN3uMQ_3D_3D';
var body = $('body');
body.on('submit', '#form', function() {
var jthis = $(this);
var jsubmit = jthis.find('#submit');
jthis.reset();
jsubmit.button('loading');
var postdata = jthis.serializeObject();
$.xpost(jthis.attr('action'), postdata, function(code, message) {
if(code == 0) {
location.reload();
} else {
$.alert(message);
jsubmit.button('reset');
}
});
return false;
});
function resize_image() {
var jmessagelist = $('div.message');
var first_width = jmessagelist.width();
jmessagelist.each(function() {
var jdiv = $(this);
var maxwidth = jdiv.attr('isfirst') ? first_width : jdiv.width();
var jmessage_width = Math.min(jdiv.width(), maxwidth);
jdiv.find('img, embed, iframe, video').each(function() {
var jimg = $(this);
var img_width = this.org_width;
var img_height = this.org_height;
if(!img_width) {
var img_width = jimg.attr('width');
var img_height = jimg.attr('height');
this.org_width = img_width;
this.org_height = img_height;
}
if(img_width > jmessage_width) {
if(this.tagName == 'IMG') {
jimg.width(jmessage_width);
jimg.css('height', 'auto');
jimg.css('cursor', 'pointer');
jimg.on('click', function() {
});
} else {
jimg.width(jmessage_width);
var height = (img_height / img_width) * jimg.width();
jimg.height(height);
}
}
});
});
}
function resize_table() {
$('div.message').each(function() {
var jdiv = $(this);
jdiv.find('table').addClass('table').wrap('<div class="table-responsive"></div>');
});
}
$(function() {
resize_image();
resize_table();
$(window).on('resize', resize_image);
});
var jmessage = $('#message');
jmessage.on('focus', function() {if(jmessage.t) { clearTimeout(jmessage.t); jmessage.t = null; } jmessage.css('height', '6rem'); });
jmessage.on('blur', function() {jmessage.t = setTimeout(function() { jmessage.css('height', '2.5rem');}, 1000); });
$('#nav li[data-active="fid-1"]').addClass('active');
</script>
