我如何使用亚音速和MySQL更新变化

Question

使用亚音速2.1，MySQL和C＃我试图TDD，当我得到了测试用下面的代码更新现有记录，

public void Test2() 
{ 
    User.Insert("jmarcus1", "jmarcus1", "jackass", "marcus", 3, false); 
    User users = new User(); 
    int ulevel = 1; 
    User.Update(2, "jmarcus1", "jmarcus1", "jackass", "marcus", ulevel, false); 
    Assert.AreEqual(1, users.Ulevel); 
} 

具有以下

------ Test started: Assembly: SalMan.dll ------ 

Starting the MbUnit Test Execution 
Exploring SalMan, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 
MbUnit 2.4.2.130 Addin 
Found 3 tests 
[success] TestFixture1.Test 
[success] TestFixture1.Test1 
[failure] TestFixture1.Test2 
TestCase 'TestFixture1.Test2' 
failed: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE `userid` = 1; SELECT 1 AS id' at line 1 
    MySql.Data.MySqlClient.MySqlException 
    Message: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'WHERE `userid` = 1; SELECT 1 AS id' at line 1 
    Source: MySql.Data 
    StackTrace: 
    at MySql.Data.MySqlClient.MySqlStream.OpenPacket() 
    at MySql.Data.MySqlClient.NativeDriver.ReadResult(UInt64& affectedRows, Int64& lastInsertId) 
    at MySql.Data.MySqlClient.MySqlDataReader.GetResultSet() 
    at MySql.Data.MySqlClient.MySqlDataReader.NextResult() 
    at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior) 
    at MySql.Data.MySqlClient.MySqlCommand.ExecuteScalar() 
    C:\svn\subsonicproject\trunk\SubSonic\DataProviders\MySqlDataProvider.cs(280,0): at SubSonic.MySqlDataProvider.ExecuteScalar(QueryCommand qry) 
    C:\svn\subsonicproject\trunk\SubSonic\DataProviders\DataService.cs(533,0): at SubSonic.DataService.ExecuteScalar(QueryCommand cmd) 
    C:\svn\subsonicproject\trunk\SubSonic\ActiveRecord\ActiveRecord.cs(182,0): at SubSonic.ActiveRecord`1.Save(String userName) 
    D:\My Documents\Visual Studio 2008\Projects\SalMan\SalMan\Generated\User.cs(352,0): at Salman.User.Update(Int32 varUserid, String varUsername, String varPassword, String varFname, String varLname, Int32 varUlevel, Boolean varStatus) 
    D:\My Documents\Visual Studio 2008\Projects\SalMan\SalMan\Tests\TestFixture1.cs(40,0): at salman.TestFixture1.Test2() 

[reports] generating HTML report 
TestResults: file:///C:/Documents%20and%20Settings/*****************/Application%20Data/MbUnit/Reports/SalMan.Tests.html 

2 passed, 1 failed, 0 skipped, took 7.66 seconds. 

有没有人有这方面的解决方法？

Answer 1

明显的解决方案是，继抢夺优秀建议以上，到

User u = User.FetchByID(2); 
u.Ulevel = ulevel; 
u.save(); 

我是不太清楚，上面的代码片段将工作更新，直到您指定 您想要更新的记录。

我的问题罗布然而就是为什么“u.Update（2，‘jmarcus’......”转移过程中给错误 ？

Answer 2

它在我看来像你的参数不合适。 PK应该是第一件事 - 你确定他们排队正确吗？

您使用的是ActiveRecord吗？如果是这样的 - 你试过这样：

User u=new User(); 
u.UserName("jmarcus1"); 
u.Name="jackass" 
u.Ulevel=1; 
... 
u.Save(); 

User u=new User("jmarcus1"); 
u.UILevel=2; 
u.Save();