Asp.net连接数据库教程(vb.net)
Asp.net连接SQL Server2000数据库例程详解:
<%@ Import Namespace="System.Data" %>
<%@ Import NameSpace="System.Data.SqlClient" %>
<script laguage="VB" runat="server">
sub page_load(sender as Object,e as EventArgs)
Dim myConnection As SqlConnection
Dim myCommand As SqlCommand
Dim ds as DataSet
'1.connect to sql server
myConnection = New SqlConnection( "server=localhost;database=Pubs;uid=ueytjdf;pwd=doekdf" )
myConnection.Open()
la1.text="Connection Opened!"
'2.Create a table
myCommand = New SqlCommand( "CREATE TABLE [test] ([id] [int] IDENTITY (1, 1) NOT NULL ,[name] [char] (10) COLLATE Chinese_PRC_CI_AS NULL ,[sex] [char] (10) COLLATE Chinese_PRC_CI_AS NULL )", myConnection )
myCommand.ExecuteNonQuery()
la2.text="New table created!"
'2 添加纪录
myCommand = New SqlCommand( "Insert into [test] (name,sex) values( '黄志文','男' )", myConnection )
myCommand.ExecuteNonQuery()
la3.text="New Record Inserted!"
'3 更新数据
myCommand = New SqlCommand( "UPDATE [test] SET name='Smith' where name='李明'", myConnection )
myCommand.ExecuteNonQuery()
la4.text="Record Updated!"
'4 删除数据
myCommand = New SqlCommand( "delete from [test] where name='Smith'", myConnection )
myCommand.ExecuteNonQuery()
la5.text="Record Deleted!"
'5 用DataGrid显示数据
myComma
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1.打开新的窗口并传送参数:
response.write("<script>window.open('*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="++"')</script>")
接收参数:
string a = Request.QueryString("id");
string b = Request.QueryString("id1");
2.为按钮添加对话框
Button1.Attributes.Add("onclick","return ......
前前后后收到过一些学生的来信,询问ASP.NET的学习顺序问题,在此就向打算系统学习ASP.NET技术的初学者谈谈我的建议。
如果你已经有较多的面向对象开发经验,跳过以下这两步:
第一步 掌握一门.NET面向对象语言,C#或VB.NET。
我强烈反对在没系统学过一门面向对象(OO) ......
需求:
A域有页面a.html,其中有iframe包含B域的页面b.html,现在要通过a.html上的一个按钮,来把a.html页面上一个文本框的值传递到b.html页面的文本框。
注:这里b.html是html网页,不能接收其他网站post过来的值,所以不能用直接post的方法来传值,但是,如果接收页面是b.aspx或者b.asp 呢,那不是可以直接post了么?答 ......
web.config
<system.net>
<mailSettings>
<smtp deliveryMethod="Network" from="mymail<you@163.com>">
......
<%@ Page Language="C#" %>
<%@ import Namespace="System.Collections" %>
<script runat="server">
void Page_Load(Object sender, EventArgs e) {
if(!Page.IsPostBack){
ArrayList data = new ArrayList();
data.Add(new Person("Tom",33,true));
data.Add(new Person("Jhon",39,false));
da ......