using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace WebApplication8
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
private SqlTransaction cmicTr=null;
private SqlConnection cmicCn=new SqlConnection("server=(local);uid=sa;pwd=kjxy.net;database=exam_paper;");
private SqlCommand cmicCmd=new SqlCommand();
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Button Button3;
protected System.Web.UI.WebControls.TextBox TextBox1;
private void Page_Load(object sender, System.EventArgs e)
{
cmicCn.Open();
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Button3.Click += new System.EventHandler(this.Button3_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
TextBox1.Text="已加锁";
//SqlTransaction cmicTr=null;
try
{
cmicTr=cmicCn.BeginTransaction();
cmicCmd.Connection=cmicCn;
cmicCmd.Transaction=cmicTr;
cmicCmd.CommandText="select * from listen with (xLOCK) where test_id=1";
cmicCmd.ExecuteNonQuery();-------------------加锁能够成功
Session.Add("tr",cmicTr);///////
}
catch
{cmicTr.Rollback();
}
}
private void Button3_Click(object sender, System.EventArgs e)
{
TextBox1.Text="已解锁";
SqlTransaction gggTr=(SqlTransaction)Session["tr"];////////
gggTr.Commit();///////////
}
有什么问题再给我发邮件
}
}
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace WebApplication8
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
private SqlTransaction cmicTr=null;
private SqlConnection cmicCn=new SqlConnection("server=(local);uid=sa;pwd=kjxy.net;database=exam_paper;");
private SqlCommand cmicCmd=new SqlCommand();
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Button Button3;
protected System.Web.UI.WebControls.TextBox TextBox1;
private void Page_Load(object sender, System.EventArgs e)
{
cmicCn.Open();
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Button3.Click += new System.EventHandler(this.Button3_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
TextBox1.Text="已加锁";
//SqlTransaction cmicTr=null;
try
{
cmicTr=cmicCn.BeginTransaction();
cmicCmd.Connection=cmicCn;
cmicCmd.Transaction=cmicTr;
cmicCmd.CommandText="select * from listen with (xLOCK) where test_id=1";
cmicCmd.ExecuteNonQuery();-------------------加锁能够成功
Session.Add("tr",cmicTr);///////
}
catch
{cmicTr.Rollback();
}
}
private void Button3_Click(object sender, System.EventArgs e)
{
TextBox1.Text="已解锁";
SqlTransaction gggTr=(SqlTransaction)Session["tr"];////////
gggTr.Commit();///////////
}
有什么问题再给我发邮件
}
}