如何通过使用连接字符串在数据列表中显示数据 [英] how to display data in datalist by using connection strings
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问题描述
如何通过使用连接字符串在数据列表中显示数据
how to display data in datalist by using connection strings
推荐答案
转到Google，您将得到答案.
Go Google, you''ll get your answer.
您不使用连接字符串显示数据，而是使用连接字符串连接到数据库(通常).
You don''t display data using connection strings, you connect to databases (mostly) using connections strings.
Hi,
First create a table student
Create table student (sid varchar(50),sname varchar(50),saddress varchar(50), smarks int,pic varchar (50))
Store the picture in the program folder and save there name in pic column of the table with there extension like (.gif,.jpg,.bmp)
Default.aspx code
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
<asp:DataList ID="DataList1" runat="server">
<FooterStyle BackColor="#FFCC00" ForeColor="#FF3300" />
<EditItemStyle BackColor="#FF8080" />
<AlternatingItemStyle BackColor="#FFFF99" />
<HeaderTemplate>
<center><b>Student Details</b></center>
</HeaderTemplate>
<ItemTemplate>
<table border="1">
<tr>
<th>sid</th>
<th>sname</th>
<th>saddress</th>
<th>smarks</th>
<th>pic</th>
</tr>
<tr>
<td><%#Container.DataItem("sid")%></td>
<td><%#Container.DataItem("sname")%></td>
<td><%#Container.DataItem("saddress")%></td>
<td><%#Container.DataItem("smarks")%></td>
<td><asp:Image ID="Image1" ImageUrl='<%#container.dataitem("pic")%>' runat="server" /></td>
</tr>
</table>
</ItemTemplate>
</asp:DataList>
</form>
</body>
</html>
Default.aspx.vb code
Imports System.Data.SqlClient
Imports System.Data
Partial Class _Default
Inherits System.Web.UI.Page
Dim strConnString As String = System.Configuration.ConfigurationManager.ConnectionStrings.Item("ConnectionString").ToString()
Dim con As New SqlConnection(strConnString)
Dim com As SqlCommand
Dim str As String
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then
con.Open()
Str = "select * from student"
com = New SqlCommand(Str, con)
Dim reader As SqlDataReader
reader = com.ExecuteReader
DataList1.DataSource = reader
DataList1.DataBind()
reader.Close()
con.Close()
End If
End Sub
End Class
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