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Asp.net--slider controls

Source: Internet
Author: User
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The. aspx code is as follows:

<%@ page language= "C #" autoeventwireup= "true" codefile= "Slider_ synthetic instance. Aspx.cs" inherits= "LESSON_CODE_DEFAULT2"% >


<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">


<title></title>
<style type = "Text/css" >
#div_nav {width:200px;}
#div_content {width:500px;
margin-left:20px;
padding:10px; }

. myhandle {width:10px; height:10px;
margin-top:10px; }
. myrail {width:500px; height:10px;
Background-image:url (".. /img/rail_pm.png "); Background-repeat:no-repeat;
position:relative; }
</style>
<link href= ". /css/css_default.css "rel=" stylesheet "type=" Text/css "/>
<body>
<form id= "Form1" runat= "Server" >
<div>
<div id= "Div_nav" class = "FL" >
<asp:treeview id= "tv_date" runat= "Server"
Onselectednodechanged= "Tv_date_selectednodechanged"showcheckboxes= "All">
</asp:TreeView>


<asp:button id= "btn_showlist" runat= "Server" text= "button"
onclick= "Btn_showlist_click"/>
</div>


<myatk:toolkitscriptmanager id= "ToolkitScriptManager1" runat= "Server" >
</myatk:ToolkitScriptManager>


<div id= "div_content" class = "FL" >

<asp:updatepanel id= "UpdatePanel1" runat= "Server" >
<ContentTemplate>
<asp:textbox id= "TextBox1" runat= "Server" ></asp:TextBox>


<asp:listview id= "ListView1" runat= "Server" datasourceid= "AccessDataSource1"
Itemplaceholderid= "Itemholder" >
<LayoutTemplate>
<div id= "Itemholder" runat= "Server" ></div>
</LayoutTemplate>


<ItemTemplate>
<asp:textbox id= "TXT_PM25" runat= "Server"
Text= ' <% #Eval ("Pm_val")%> '/>


<myatk:sliderextender id= "Textbox1_sliderextender" runat= "Server"
Enabled= "True" maximum= "minimum=" 0 "targetcontrolid=" TXT_PM25 "
handlecssclass= "Myhandle" handleimageurl= "~/img/handle_pm.png"
railcssclass= "Myrail" >
</myatk:SliderExtender>

</ItemTemplate>


</asp:ListView>
<asp:accessdatasource id= "AccessDataSource1" runat= "Server"
Datafile= "~/data/pm25.mdb"
Selectcommand= "SELECT * from [T_PM25] WHERE ([pm_id] =?)" >
<SelectParameters>
<asp:controlparameter controlid= "Tv_date" defaultvalue= "1" name= "pm_id"
Propertyname= "SelectedValue" type= "Int32"/>
</SelectParameters>
</asp:AccessDataSource>


</ContentTemplate>
<Triggers>
<asp:asyncpostbacktrigger ControlID = "Btn_showlist"/>
</Triggers>


</asp:UpdatePanel>


</div>


<div class = "CLR" ></div>


</div>
</form>
</body>

The. Aspx.cs code is as follows:

Using system;using system.collections.generic;using system.linq;using system.web;using System.Web.UI;using    System.web.ui.webcontrols;using System.data.oledb;public Partial class lesson_code_default2:system.web.ui.page{ String str_cnn = "Provider=Microsoft.Jet.OLEDB.4.0;    Data source= ";    String str_sourcefile = "~/data/pm25.mdb";    OleDbConnection CNN;    OleDbCommand cmd;    OleDbDataReader Datar;    String Str_sql; protected void Page_Load (object sender, EventArgs e) {if (!        IsPostBack) {maketree ();        }} protected void Maketree () {string str_conn = str_cnn + MapPath (str_sourcefile);        CNN = new OleDbConnection (Str_conn); Cnn.        Open ();        Str_sql = "SELECT * from T_PM25";        cmd = new OleDbCommand (Str_sql, CNN); Datar = cmd.        ExecuteReader ();        TreeNode _tnode; while (Datar.            Read ()) {_tnode = new TreeNode (); _tnode. Text = string.      Format ("{0:d}", (DateTime) datar["Pm_date"]);      _tnode. Value = datar["pm_id"].            ToString (); _tnode. Value = datar["Pm_val"].            ToString (); Tv_date.        Nodes.Add (_tnode); } CNN.    Close (); } protected void Tv_date_selectednodechanged (object sender, EventArgs e) {//textbox1.text = Tv_date.    SelectedValue;        } protected void Btn_showlist_click (object sender, EventArgs e) {string _values = ""; foreach (TreeNode _tnode in Tv_date. Checkednodes) {//traverse the entire tree _values + = _tnode.        Value + ",";//used to spell SQL statement} string _sql = "SELECT * from T_PM25 WHERE pm_id in (" +_values+ ")";        TextBox1.Text = _sql; Accessdatasource1.selectcommand = _sql;//Set CONTROL statement for data source}}

The effect is as follows:


Asp.net--slider controls

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