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
谈谈ASP.net2.0中App_GlobalResources的用途
.Net Framework 4.0 功能介绍
ASP.NET教程:浅谈Asp.net实现的邮件发送引擎
ASP.NET教程:绝对路径与相对路径的拼合方法
ASP.NET开发电子商务网站学习经验
ASP.NET与PHP构建web程序的方法的优缺点
ASp.NET教程:页面传值的五种方法
ASP.NET教程:数据缓存和输出缓存
ASP.NET比拼PHP的测试环境
ASP.NET MVC 2的客户端验证扩展
ASP.NET实例:无刷新的文件上传
ASP.NET实例: GridView删除时弹出确认对话框
ASP.NET获取不到js写的cookie解决方法
ASP.NET MVC教程:数据库表的增删改
ASP.NET教程:form验证用户登录的Cookie
如何让.NET程序脱离.NET框架
ASP.NET开发网站程序常见错误汇总
C#教程:匿名类型和隐式类型变量的区别
C#3.0教程:自动属性和扩展方法
使用XmlDocument读取XML节点所有数据

No. « 160 161 162 163 »

技术文章搜索

关键字

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: 58 ::
收藏到网摘: n/a

<%@ Import Namespace="System.Data" %>
<%@ 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>