sqldstransaction.aspx.cs

《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含的源代码.非常经典的一本asp.net2.0的书籍

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.Common;

public partial class sqldsTransaction : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
	protected void btnInsert_Click(object sender, EventArgs e)
	{
		sqldsEmployees.Insert();
	}

	protected void sqldsEmployees_Inserting(object sender, SqlDataSourceCommandEventArgs e)
	{
		DbCommand cmd = e.Command;		//取得SqlDataSource的SqlCommand对象
		DbConnection conn = cmd.Connection;	//取得SqlCommand的数据库连接
		conn.Open();	//打开数据库连接
		DbTransaction tran = conn.BeginTransaction();	//宣告Transaction事务
		cmd.Transaction = tran;	//指定SqlCommand使用Transaction事务
	}

	protected void sqldsEmployees_Inserted(object sender, SqlDataSourceStatusEventArgs e)
	{
		//检查是否有例外发表，决定事务Commit或Rallback
		if (e.Exception == null)
		{
			e.Command.Transaction.Commit();		//事务确认
			showMsg("添加资料成功,事务确认!");
		}
		else
		{
			e.Command.Transaction.Rollback();	//事务回复
			showMsg("添加资料失败,事务Rollback!");
		}
	}

	//显示JavaScript的Alert消息
	protected void showMsg(string AlertMessage)
	{
		Literal txtMsg = new Literal();
		txtMsg.Text = "<script>alert('" + AlertMessage + "')</script>" + "<BR/>";
		Page.Controls.Add(txtMsg);
	}
}