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
asp.net 无重复随机数代码
asp.net(C#)中上传大文件的几中常见应用方法
asp.net AJAX实现无刷新获得数据
C#中发送邮件代码
asp.net(c#) RSS功能实现代码
asp.net窗体操作总结
ASP.NET 水晶报表打印功能实现代码
ASP.Net 图片存入数据库的实现代码
让Silverlight 2.0动画动起来Making Silverlight 2.0 animation Start(不能运动原因)
asp.net Reporting Service在Web Application中的应用
C# 文件上传 默认最大为4M的解决方法
asp.net 购物车实现详细代码
asp.net repeater实现批量删除时注册多选框id到客户端
asp.net aspnetpager分页统计时与实际不符的解决办法
iis 服务器应用程序不可用的解决方法
asp.net button 绑定多个参数
asp.net Ajax 安装与卸载方法
Ajax Throws Sys.WebForms.PageRequestManagerErrorException with Response.Redirect的解决方法
asp.net 两个不同页面的传值
C# 可空类型分析

No. « 51 52 53 54 »

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: 168 ::
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>