<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.SqlClient"%>
<%@ Page Language="VB" %>
<script runat="server">
    Sub Page_Load(sender As Object, e As EventArgs)		
		SampleTransaction()
    End Sub
	Sub SampleTransaction()
		Dim objConn As System.Data.SqlClient.SqlConnection
		Dim objCmd As System.Data.SqlClient.SqlCommand
		Dim strConnString,strSQL As String
		Dim Trans As SqlTransaction
		strConnString = "Server=localhost;UID=sa;PASSWORD=;database=mydatabase;Max Pool Size=400;Connect Timeout=600;"
		objConn = New System.Data.SqlClient.SqlConnection(strConnString)
		objConn.Open()
		
		'*** Start Transaction ***'	
		Trans = objConn.BeginTransaction(IsolationLevel.ReadCommitted)  
				
		Try
			
			'*** Query 1 ***'
			strSQL = "INSERT INTO customer (CustomerID,Name,Email,CountryCode,Budget,Used) " & _
			"VALUES ('C005','Weerachai Nukitram','[email protected]','TH','2000000','1000000')"
			objCmd = New System.Data.SqlClient.SqlCommand()
			With objCmd
				.Connection = objConn
				.Transaction = Trans
				.CommandType = CommandType.Text
				.CommandText = strSQL
			End With
			objCmd.ExecuteNonQuery()
			'*** Query 2 ***'
			strSQL = "INSERT INTO customer (CustomerID,Name,Email,CountryCode,Budget,Used) " & _
			"VALUES ('C006','Surachai Sirisart','[email protected]','TH','1000000','500000')"
			objCmd = New System.Data.SqlClient.SqlCommand()
			With objCmd
				.Connection = objConn
				.Transaction = Trans
				.CommandType = CommandType.Text
				.CommandText = strSQL
			End With
			objCmd.ExecuteNonQuery()
						
			Trans.Commit()  '*** Commit Transaction ***'
			Me.lblText.Text = "Record is commit"
		Catch ex As Exception
			Trans.Rollback() '*** RollBack Transaction ***'
			Me.lblText.Text = "Record is rollback ("& ex.Message &")"
		End Try				
		
		objCmd = Nothing
		objConn.Close()
		objConn = Nothing
	End Sub
</script>
<html>
<head>
<title>ThaiCreate.Com ASP.NET - System.Data.SqlClient</title>
</head>
<body>
	<form id="form1" runat="server">
	<asp:Label id="lblText" runat="Server"></asp:Label>
	</form>
</body>
</html>