原创 C#事务处理简明示例 收藏

document.body.oncopy = function() {
if (window.clipboardData) {
setTimeout(function() {
var text = clipboardData.getData("text");
if (text && text.length>300) {
text = text + "/r/n/n本文来自CSDN博客，转载请标明出处：" + location.href;
clipboardData.setData("text", text);
}
}, 100);
}
}

function StorePage(){d=document;t=d.selection?(d.selection.type!='None'?d.selection.createRange().text:''):(d.getSelection?d.getSelection():'');void(keyit=window.open('http://www.365key.com/storeit.aspx?t='+escape(d.title)+'&u='+escape(d.location.href)+'&c='+escape(t),'keyit','scrollbars=no,width=475,height=575,left=75,top=20,status=no,resizable=yes'));keyit.focus();}

定义数据库：

create database guigui

use guigui

create table users

(

userid int not null primary key identity(1,1),

username varchar(20),

userpass varchar(20)

)

create table caibao

(

cid int not null primary key,

cname varchar(20) not null

)

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Data.SqlClient;

namespace checkedListBoxTest

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

[STAThread]

static void Main()

{

Application.EnableVisualStyles();

Application.SetCompatibleTextRenderingDefault(false);

Application.Run(new Form1());

}

private void InitializeComponent()

{

this.textBox1 = new System.Windows.Forms.TextBox();

this.button1 = new System.Windows.Forms.Button();

this.textBox2 = new System.Windows.Forms.TextBox();

this.label1 = new System.Windows.Forms.Label();

this.label2 = new System.Windows.Forms.Label();

this.textBox3 = new System.Windows.Forms.TextBox();

this.textBox4 = new System.Windows.Forms.TextBox();

this.label3 = new System.Windows.Forms.Label();

this.label4 = new System.Windows.Forms.Label();

this.SuspendLayout();

//

// textBox1

//

this.textBox1.Location = new System.Drawing.Point(73, 97);

this.textBox1.Name = "textBox1";

this.textBox1.Size = new System.Drawing.Size(100, 21);

this.textBox1.TabIndex = 2;

//

// button1

//

this.button1.Location = new System.Drawing.Point(28, 136);

this.button1.Name = "button1";

this.button1.Size = new System.Drawing.Size(75, 23);

this.button1.TabIndex = 3;

this.button1.Text = "确 定";

this.button1.UseVisualStyleBackColor = true;

this.button1.Click += new System.EventHandler(this.button1_Click);

//

// textBox2

//

this.textBox2.Location = new System.Drawing.Point(272, 97);

this.textBox2.Name = "textBox2";

this.textBox2.Size = new System.Drawing.Size(100, 21);

this.textBox2.TabIndex = 4;

//

// label1

//

this.label1.AutoSize = true;

this.label1.Location = new System.Drawing.Point(12, 100);

this.label1.Name = "label1";

this.label1.Size = new System.Drawing.Size(53, 12);

this.label1.TabIndex = 5;

this.label1.Text = "财宝编号";

//

// label2

//

this.label2.AutoSize = true;

this.label2.Location = new System.Drawing.Point(192, 100);

this.label2.Name = "label2";

this.label2.Size = new System.Drawing.Size(41, 12);

this.label2.TabIndex = 6;

this.label2.Text = "财宝名";

//

// textBox3

//

this.textBox3.Location = new System.Drawing.Point(73, 36);

this.textBox3.Name = "textBox3";

this.textBox3.Size = new System.Drawing.Size(100, 21);

this.textBox3.TabIndex = 7;

//

// textBox4

//

this.textBox4.Location = new System.Drawing.Point(272, 36);

this.textBox4.Name = "textBox4";

this.textBox4.Size = new System.Drawing.Size(100, 21);

this.textBox4.TabIndex = 8;

//

// label3

//

this.label3.AutoSize = true;

this.label3.Location = new System.Drawing.Point(12, 39);

this.label3.Name = "label3";

this.label3.Size = new System.Drawing.Size(41, 12);

this.label3.TabIndex = 9;

this.label3.Text = "用户名";

//

// label4

//

this.label4.AutoSize = true;

this.label4.Location = new System.Drawing.Point(192, 39);

this.label4.Name = "label4";

this.label4.Size = new System.Drawing.Size(41, 12);

this.label4.TabIndex = 10;

this.label4.Text = "密 码";

//

// Form2

//

this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);

this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

this.ClientSize = new System.Drawing.Size(384, 273);

this.Controls.Add(this.label4);

this.Controls.Add(this.label3);

this.Controls.Add(this.textBox4);

this.Controls.Add(this.textBox3);

this.Controls.Add(this.label2);

this.Controls.Add(this.label1);

this.Controls.Add(this.textBox2);

this.Controls.Add(this.button1);

this.Controls.Add(this.textBox1);

this.Name = "Form2";

this.Text = "Form2";

this.ResumeLayout(false);

this.PerformLayout();

}

private void button1_Click(object sender, EventArgs e)

{

using (SqlConnection dbconn = new SqlConnection("server=.;user id =sa;password=123456;database=guigui"))

{

dbconn.Open();

SqlTransaction trans = dbconn.BeginTransaction();

SqlCommand cmd = dbconn.CreateCommand();

cmd.Transaction=trans;

cmd.Connection = dbconn;

try

{

cmd.CommandText = "insert into users (username,userpass) values('" +
textBox3.Text + "','" + textBox4.Text + "')";

cmd.ExecuteNonQuery();

MessageBox.Show("主表数据插入成功");

cmd.CommandText = "insert into caibao (cid,cname) values(" + textBox1.Text + ",'" + textBox2.Text + "')";

cmd.ExecuteNonQuery();

MessageBox.Show("子表数据插入成功");

trans.Commit();

MessageBox.Show("事务提交");

}

catch

{

trans.Rollback();

MessageBox.Show("事务回滚");

}

cmd.Dispose();

trans.Dispose();

dbconn.Dispose();

}

}

}

}