C#执行SQL事务用法实例

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.UI; 
using System.Web.UI.WebControls; 
using System.Configuration; 
using System.Data.SqlClient; 
 
namespace 用户激活 
{ 
    public partial class WebForm3 : System.Web.UI.Page 
    { 
        protected void Page_Load(object sender, EventArgs e) 
        { 
 
        } 
 
        protected void Button1_Click(object sender, EventArgs e) 
        { 
            string cOnnStr=ConfigurationManager.ConnectionStrings["ConnStr"].ConnectionString; 
            using(SqlConnection cOnn=new SqlConnection(connStr)) 
            { 
                conn.Open(); 
                using (SqlTransaction tran = conn.BeginTransaction()) //开始数据库事务。即创建一个事务对象tran 
                { 
                    using (SqlCommand cmd =new SqlCommand()) 
                    { 
                        cmd.COnnection= conn; 
                        cmd.Transaction = tran; //获取或设置将要其执行的事务 
                        try 
                        { 
                            //在try{}块里执行sqlconnection命令 
                            cmd.CommandText = "update bb set MOneys=Moneys-" + Money.Text + " where ID=" + ToID.Text; 
                            cmd.ExecuteNonQuery(); 
                            cmd.CommandText = "update bb set MOneys=Moneys+" + Money.Text + " where ID=" + FromID.Text; 
                            cmd.ExecuteNonQuery(); 
 
                            tran.Commit(); //如果两条sql命令都执行成功，则执行commit这个方法来执行这些操作。 
 
                            Msg.Text = "转账成功"; 
                        } 
                        catch 
                        { 
                            Msg.Text = "转账失败"; 
                            tran.Rollback();//如果执行不成功，发送异常，则执行rollback方法，回滚到事务操作开始之前。 
                        } 
                    } 
                } 
            } 
        } 
    } 
}

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm3.aspx.cs" Inherits="用户激活.WebForm3" %> 
 
 
     
 
 
     
    转账账户：
 
    接收账户：
 
    转账金额：
 
    转账是否成功：