Home > Others

. NET implementation of no client linkage menu (no refresh)

Source: Internet
Author: User
Tags net split client visual studio
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞
Menu | client | linkage Menu | refresh | no Refresh | menu | client | linkage Menu | refresh | no refresh

<%@ Page language= "C #" codebehind= "WebForm1.aspx.cs" autoeventwireup= "false" inherits= " CustomManager.company.WebForm1 "%>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" >
<HTML>
<HEAD>
<title>WebForm1</title>
<meta content= "Microsoft Visual Studio. NET 7.1" name= "generator" >
<meta content= "C #" Name= "Code_language" >
<meta content= "JavaScript" name= "vs_defaultClientScript" >
<meta content= "http://schemas.microsoft.com/intellisense/ie5" name= "Vs_targetschema" >
<link href= ". /css/style.css "type=" Text/css "rel=" stylesheet ">
</HEAD>
<body ms_positioning= "GridLayout" >
<form id= "Form1" method= "POST" runat= "Server" >
<asp:dropdownlist id= "DropDownList1" style= "Z-INDEX:101; left:40px; Position:absolute; Top:168px "
runat= "Server" ></asp:dropdownlist><asp:label id= "Label1" style= "z-index:102"; left:328px; Position:absolute; TOP:104PX "runat=" Server >Label</asp:label>
<asp:dropdownlist id= "DropDownList2" style= "z-index:104; left:40px; Position:absolute; Top:264px "
runat= "Server" ></asp:DropDownList></form>
<script language= "JavaScript" >
var str = document.getElementById ("Label1"). innertext;
Arr=str.split (",");
A=arr.length
Ar=new Array ()
for (i=0;i<a;i++) {
Ar[i]=arr[i].split ("-");
}
Onecount=ar.length;


function ld () {
Document. Form1.dropdownlist2.length=0
Lid=form1.dropdownlist1.value;
for (i=0;i<onecount;i++) {
if (ar[i][0] = = lid) {
Document. Form1.DropDownList2.options.add (New Option (ar[i][2], ar[i][1]);
}
}
}

function ShowMsg ()
{
Alert (document. Form1.DropDownList1.value);
Alert (document. Form1.DropDownList2.value);
}

</script>
</body>
</HTML>

Using System;
Using System.Collections;
Using System.ComponentModel;
Using System.Data;
Using System.Drawing;
Using System.Web;
Using System.Web.SessionState;
Using System.Web.UI;
Using System.Web.UI.WebControls;
Using System.Web.UI.HtmlControls;

Namespace Custommanager.company
{
<summary>
Summary description of the WebForm1.
</summary>
public class WebForm1:System.Web.UI.Page
{
protected System.Web.UI.WebControls.DropDownList DropDownList1;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.DropDownList DropDownList2;
static protected DataTable tb1;

private void Page_Load (object sender, System.EventArgs e)
{
Place user code here to initialize page

if (! Page.IsPostBack)
{

}
DROPDOWNLIST1.ATTRIBUTES.ADD ("onchange", "LD ();");
String Strconn,strsql;
System.Data.SqlClient.SqlDataAdapter da;

strconn = "server=localhost;database=custom;uid=custom;pwd=a;";
strSQL = "SELECT * from custom.bigcalling;";
da = new System.Data.SqlClient.SqlDataAdapter (strsql,strconn);
DataTable tb3 = new DataTable ();
Da. Fill (TB3);

Dropdownlist1.datasource = TB3;
Dropdownlist1.datatextfield = "Bigcallname";
Dropdownlist1.datavaluefield= "Bigcallid";
Dropdownlist1.databind ();


strSQL = "SELECT * from custom.smallcalling;";
da = new System.Data.SqlClient.SqlDataAdapter (strsql,strconn);
TB1 = new DataTable ();
Da. Fill (TB1);


Label1.Text = "";

foreach (DataRow row in tb1. Rows)
{
Label1.Text = Label1.Text + row["bigcallid"] + "-" +row["smallcallid"] + "-" +row["smallcallname"] + ",";

}

}

Code generated #region the Web forms Designer
Override protected void OnInit (EventArgs e)
{
//
CodeGen: The call is asp.net Web window



This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
compound name of no count no of characters no of characters name of no compound roman no of 5000 total no of elements port no of ssh

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

What's Trending
Top 10 Tags
datastax versions naming convention zookeeper client class definition md5 microsoft sql server 2005 data structures exception handling error handling
Top 10 Keywords
microsoft download center down wordpress address url site address url wordpress address url windows installer 4 0 download 302 not found web address url definition site address url wordpress db2 integer mac os installation step by step pdf abbreviation for return

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More