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📄 admin_edit.aspx

📁 农业专家系统.针对无公害蔬菜的一个信息发布、病害诊断、远程诊断系统。适用于农业信息化实例应用中。
💻 ASPX
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<%@ Page Language="VB" ContentType="text/html" Debug="true" %>
<%@ Register TagPrefix="admin" TagName="menu" Src=".../lib/adminmenu.ascx" %>
<%@ import Namespace="system.data" %>
<%@ import Namespace="system.data.oledb" %>
<script runat="server">

    Function getconcentgird() As System.Data.IDataReader
            Dim connectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0; Ole DB Services=-4; Data Source=" & Server.MapPath("../data/date.mdb")
            Dim dbConnection As System.Data.IDbConnection = New System.Data.OleDb.OleDbConnection(connectionString)
    
            Dim queryString As String = "SELECT [corn].[corn_tittle], [corn].[corn_id] FROM [corn]"
            Dim dbCommand As System.Data.IDbCommand = New System.Data.OleDb.OleDbCommand
            dbCommand.CommandText = queryString
            dbCommand.Connection = dbConnection
    
            dbConnection.Open
            Dim dataReader As System.Data.IDataReader = dbCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection)
    
            Return dataReader
        End Function
		
      Sub Button1_Click(sender As Object, e As Eventargs)
    	'使用 Connection 对象打开Access 数据库
    	Dim objConn As New OleDbConnection()
    	objConn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" & _
                               "Data Source=" & Server.MapPath("../data/date.mdb")
   	 	objConn.Open()

   		 '创建 Command 对象,并执行 SQL 的 Update 命令
    	Dim strSQL = "Update corn Set corn_tittle='" & txttittle.text & "', corn_img='" & _
                myfile.postedfile.filename & "',corn_content='" & txtcontent.text & "', Where corn_id='" & txtid.Text
    	
		Dim objCmd As New OleDbCommand(strSQL, objConn)
   		objCmd.ExecuteNonQuery()
    	objConn.Close()
  End Sub
    
            Sub Page_Load()
    
              Repeater1.DataSource =getconcentgird()
              Repeater1.DataBind()
    
            End Sub

</script>
<html>
<head>
    <title>文章管理</title>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <link href="../site_css.css" type="text/css" rel="stylesheet" />
</head>
<body>
    <form runat="server">
        <table cellspacing="0" cellpadding="0" width="100%" align="center" border="1">
            <tbody>
                <tr>
                    <td colspan="3" height="8">
                    </td>
                </tr>
                <tr>
                    <td valign="top" align="left" width="150">
                        <ADMIN:MENU id="UserControl1" runat="server"></ADMIN:MENU>
                        <p>
                        </p>
                        <p>
                        </p>
                    </td>
                    <td width="1">
                    </td>
                    <td valign="top" width="554">
                        <div align="center"><a href="ADMIN_MASSAGE.ASPX">新增内容</a> &nbsp;&nbsp;&nbsp;<a href="ADMIN_edit.ASPX">编辑内容</a>&nbsp;&nbsp;&nbsp;<a href="admin_addtype.aspx">新增类型</a> 
                            <br />
                            <hr width="400" color="#b0c4de" />
                        </div>
                        <div align="center">
                            <asp:Repeater id="Repeater1" runat="server">
                                <itemtemplate>
                                    <table>
                                        <tr>
                                            <td>
                                                <%# container.dataitem("corn_id")%></td>
                                            <td>
                                                <%# container.dataitem("corn_tittle")%>
                                            </td>
                                            <td></td>
                                        </tr>
                                    </table>
                                </itemtemplate>
                            </asp:Repeater>
                            <p>
                          <hr width="400" color="#b0c4de" />
                            </p>
                            编号:<asp:TextBox ID="txtid" runat="server" />                                                        
                          <p>
                          </p>
                        </div>
                        <div align="center">
                        </div>
                        <div align="center">标题:<asp:TextBox id="txttittle" runat="server" Width="311px"></asp:TextBox>
                        </div>
                        <p align="center">
                            图片:
                            <input id="myfile" type="file" size="25" runat="server" />
                        </p>
                        <p>
                        </p>
                        <p>
                        </p>
                        <p>
                        </p>
                        <div align="left">
                            <br />
                            &nbsp;&nbsp; 内容:<br />
                        </div>
                        <div align="center">
                            <asp:TextBox id="txtcontent" runat="server" Width="363px" TextMode="MultiLine" Height="248px"></asp:TextBox>
                        </div>
                        <div align="left">
                            <br />
                        </div>
                        <div align="center">
                            <ASP:Button id="Button1" Text="更新" Runat="Server" OnClick="Button1_Click"></ASP:Button>
                        </div>
                    </td>
                </tr>
            </tbody>
        </table>
    </form>
</body>
</html>

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