繁體中文当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > 用ado+来删除数据
- ASP.NET
- 在word中如何控制graph控件
- 把一个int数组的数字从小到大排列(C#)
- Asp组件高级入门与精通系列之三
- 连接MYSQL数据库的方法及示例
- SharePoint Portal Server之常见问题
- 软件开发中运用到的编号
- VB程序员眼中的C#7
- 公农历转换VB类
- VB程序员眼中的C#6
- 优化VB.NET应用程序的性能1
- C#初学乍练-文本替换工具命令行版
- 如何得到某集合的所有子集合
- VB程序员眼中的C#3
- Shared Source CLI Essentials第一章第二部分
- 在ASP.NET使用javascript的一点小技巧
- 用户 'NT AUTHORITY\NETWORK SERVICE' 登录失败解决方法
- 开始使用SQLServer2005,没用过MSDE,一开始还不知道怎么下手呢，呵呵
- 我的ASP.net学习历程有关于.dll文件的迷惑
- 在图片上写字 C#
- Shared Source CLI Essentials第一章第一部分
ASP.NET 中的 用ado+来删除数据
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-03 浏览: 69 ::
收藏到网摘: n/a
<%@ Import Namespace="System.Data.SQL" %>
<html>
<script language="VB" runat="server">
Dim MyConnection As SQLConnection
Sub Page_Load(Src As Object, E As EventArgs)
MyConnection = New SQLConnection("server=YOUR-SERVER;uid=joeuser;pwd=joeuser;database=pubs")
If Not (IsPostBack)
BindGrid()
End If
End Sub
Sub MyDataGrid_Delete(Sender As Object, E As DataGridCommandEventArgs)
Dim MyCommand As SQLCommand
Dim DeleteCmd As String = "DELETE from Authors where au_id = @Id"
MyCommand = New SQLCommand(DeleteCmd, MyConnection)
MyCommand.Parameters.Add(New SQLParameter("@Id", SQLDataType.VarChar, 11))
MyCommand.Parameters("@Id").Value = MyDataGrid.DataKeys(CInt(E.Item.ItemIndex))
MyCommand.ActiveConnection.Open()
Try
MyCommand.ExecuteNonQuery()
Message.InnerHtml = "<b>Record Deleted</b><br>" & DeleteCmd
Catch Exp As SQLException
Message.InnerHtml = "ERROR: Could not delete record"
Message.Style("color") = "red"
End Try
MyCommand.ActiveConnection.Close()
BindGrid()
End Sub
Sub BindGrid()
Dim DS As DataSet
Dim MyCommand As SQLDataSetCommand
MyCommand = New SQLDataSetCommand("select * from Authors", MyConnection)
DS = new DataSet()
MyCommand.FillDataSet(DS, "Authors")
MyDataGrid.DataSource=DS.Tables("Authors").DefaultView
MyDataGrid.DataBind()
End Sub
</script>
<body style="font: 10pt verdana">
<form runat="server">
<h3><font face="Verdana">Deleting a Row of Data</font></h3>
<span id="Message" MaintainState="false" style="font: arial 11pt;" runat="server"/><p>
<ASP:DataGrid id="MyDataGrid" runat="server"
Width="800"
BackColor="#ccccff"
BorderColor="black"
ShowFooter="false"
CellPadding=3
CellSpacing="0"
Font-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#aaaadd"
DataKeyField="au_id"
OnDeleteCommand="MyDataGrid_Delete"
>
<property name="Columns">
<asp:ButtonColumn Text="Delete Author" CommandName="Delete"/>
</property>
</ASP:DataGrid>
</form>
</body>
</html>
评论 (0) All
