adotransaction.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.SqlClient;

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

    }

	protected void btnInsert_Click(object sender, EventArgs e)
	{
		InsertRecord();	//添加员工资料
	}

	//新建数据库
	protected void InsertRecord()
	{
		string connString = ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString;
		SqlConnection conn = new SqlConnection(connString);
		conn.Open();
		SqlTransaction tran = conn.BeginTransaction();	//创建数据Transaction

		string strSQL = "INSERT INTO Employees(FirstName, LastName, City, Address) values (@paramFirstName,@paramLastName,@paramCity,@paramAddress)";
		SqlCommand cmd = new SqlCommand(strSQL, conn,tran);		//创建SqlCommand

		try
		{
			cmd.Parameters.Add("@paramFirstName", SqlDbType.NVarChar, 20).Value = txtFirstName.Text;
			cmd.Parameters.Add("@paramLastName", SqlDbType.NVarChar, 10).Value = txtLastName.Text;
			cmd.Parameters.Add("@paramCity", SqlDbType.NVarChar, 15).Value = txtCity.Text;
			cmd.Parameters.Add("@paramAddress", SqlDbType.NVarChar, 60).Value = txtAddress.Text;
			cmd.ExecuteNonQuery();
			tran.Commit();		//确认事务
			showMsg("新增数据成功,事务确认!");
		}
		catch
		{
			tran.Rollback();   //事务回复
			showMsg("新增数据失败,事务Rollback!");
		}

		finally
		{
			conn.Close();
			conn.Dispose();
			tran.Dispose();
			cmd.Dispose();
		}
	}

	//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);
	}
}