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[C#]
源代码网推荐＜%@ WebService Language="C#" Class="Orders" %＞
源代码网推荐＜%@ Assembly name="System.EnterpriseServices,
Version=1.0.3300.0,Culture=neutral,PublicKeyToken=b03f5f7f11d50a3a" %＞
源代码网推荐using System;
源代码网推荐using System.Data;
源代码网推荐using System.Data.SqlClient;
源代码网推荐using System.Web.Services;
源代码网推荐using System.EnterpriseServices;
public class Orders : WebService
源代码网推荐{
源代码网推荐[ WebMethod(TransactionOption=TransactionOption.RequiresNew)]
源代码网推荐public int DeleteAuthor(string lastName)
源代码网推荐{
源代码网推荐String deleteCmd = "DELETE FROM authors WHERE au_lname="" +
源代码网推荐lastName + """ ;
源代码网推荐String exceptionCausingCmdSQL = "DELETE FROM NonExistingTable WHERE
源代码网推荐au_lname="" + lastName + """ ;
SqlConnection sqlConn = new SqlConnection(
源代码网推荐"Persist Security Info=False;Integrated Security=SSPI;database=pubs;server=myserver");
SqlCommand deleteCmd = new SqlCommand(deleteCmdSQL,sqlConn);
源代码网推荐SqlCommand exceptionCausingCmd = new
源代码网推荐SqlCommand(exceptionCausingCmdSQL,sqlConn);
// This command should execute properly.
源代码网推荐deleteCmd.Connection.Open();
源代码网推荐deleteCmd.ExecuteNonQuery();
// This command results in an exception, so the first command is
源代码网推荐// automatically rolled back. Since the XML Web service method is
源代码网推荐// participating in a transaction, and an exception occurs, ASP.NET
源代码网推荐// automatically aborts the transaction. The deleteCmd that
源代码网推荐// executed properly is rolled back.
int cmdResult = exceptionCausingCmd.ExecuteNonQuery();
sqlConn.Close();
return cmdResult;
源代码网推荐}
源代码网推荐}
源代码网推荐[Visual Basic]
源代码网推荐＜%@ WebService Language="VB" Class="Orders" %＞
源代码网推荐＜%@ assembly name="System.EnterpriseServices" %＞
Imports System
源代码网推荐Imports System.Data
源代码网推荐Imports System.Data.SqlClient
源代码网推荐Imports System.Web.Services
源代码网推荐Imports System.Web.Util
源代码网推荐Imports System.EnterpriseServices
Public Class Orders
＜WebMethod(TransactionOption:=TransactionOption.RequiresNew)＞ _
源代码网推荐Public Function DeleteAuthor (lastName as String) as Integer
Dim deleteCmdSQL As String = "DELETE FROM authors WHERE au_lname="" + _
源代码网推荐lastName + """
源代码网推荐Dim exceptionCausingCmdSQL As String = "DELETE FROM " + _
源代码网推荐"NonExistingTable WHERE au_lname="" + lastName + """
Dim sqlConn As SqlConnection = New SqlConnection( _
源代码网推荐"Persist Security Info=False;Integrated Security=SSPI;database=pubs;server=myserver")
Dim deleteCmd As SqlCommand = New SqlCommand(deleteCmdSQL,sqlConn)
源代码网推荐Dim exceptionCausingCmd As SqlCommand = New _
源代码网推荐SqlCommand(exceptionCausingCmdSQL,sqlConn)
" This command should execute properly.
源代码网推荐deleteCmd.Connection.Open()
源代码网推荐deleteCmd.ExecuteNonQuery()
" This command results in an exception, so the first command is
源代码网推荐" automatically rolled back. Since the XML Web service method is
源代码网推荐" participating in a transaction, and an exception occurs, ASP.NET
源代码网推荐" automatically aborts the transaction. The deleteCmd that
源代码网推荐" executed properly is rolled back.
Dim cmdResult As Integer = exceptionCausingCmd.ExecuteNonQuery()
源代码网推荐sqlConn.Close()
Return cmdResult
源代码网推荐End Function
源代码网推荐End Class
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