/// <summary>
/// HowTO: 2. 基本数据库操作(基本表操作)
/// </summary>
static void HowTO_2()
{
Console.WriteLine("HowTO: 2. 直接使用AbstractTable进行表操作");
TestAbstractTable da = new TestAbstractTable();
//清空表
da.DeleteAll();
//插入表
int UserID = da.Insert("基本表操作", "基本表操作");
//查询结果
TestUser u = da.SelectUserByUserId(UserID);
Console.WriteLine("Insert(values): ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
u.UserName = "******";
u.UserPass = "******";
//Update<T>示例, 直接通过对象进行更新
da.Update <TestUser>(u);
//查询DataSet
DataSet ds = da.SelectDataSetByUserId(UserID);
//Update<T>示例, 直接通过对象进行更新
if (ds.Tables[0].Rows.Count > 0)
{
da.Update <DataRow>(ds.Tables[0].Rows[0]);
}
//查询结果
u = da.SelectUserByUserId(UserID);
Console.WriteLine("Update<T>结果: ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
//Update(values)
da.Update(u.ID, "参数化修改示例", "参数化修改示例");
u = da.SelectUserByUserId(UserID);
Console.WriteLine("Update(values)结果: ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
//Delete(主键)
da.Delete(u.ID);
u.UserName = "******";
u.UserPass = "******";
//Insert<T>
UserID = da.Insert <TestUser>(u);
//查询
u = da.SelectUserByUserId(UserID);
Console.WriteLine("Inser<T>结果: ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
}
/// <summary>
/// HowTO: 5. Transaction, 支持两个不同数据库连接之间的事务
/// </summary>
static void HowTO_5()
{
Console.WriteLine("HowTO: 5. Transaction, 支持两个不同数据库连接之间的事务");
TestAbstractDA da1 = new TestAbstractDA();
TestAbstractTable da2 = new TestAbstractTable();
try
{
using (TransScope scope = new TransScope(da1, da2))
{
da1.DeleteAll();
da2.DeleteAll();
int id1 = da1.Insert("1", "1");
int id2 = da2.Insert("2", "2");
da1.Insert("3", "3");
da2.Insert("4", "4");
Console.WriteLine("da1:");
foreach (TestUser u in da1.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
Console.WriteLine("da2:");
foreach (TestUser u in da2.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
da1.Update(id1, "修改", "修改");
da2.Update(id2, "修改", "修改");
Console.WriteLine("da1修改后:");
foreach (TestUser u in da1.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
Console.WriteLine("da1修改后:");
foreach (TestUser u in da2.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
scope.Commit();
}
}
catch (DatabaseException ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("SQL:" + ex.SQL);
}
}
/// <summary>
/// HowTO: 2. �������ݿ����(���������)
/// </summary>
static void HowTO_2()
{
Console.WriteLine("HowTO: 2. ֱ��ʹ��AbstractTable���б����");
TestAbstractTable da = new TestAbstractTable();
//��ձ�
da.DeleteAll();
//�����
int UserID = da.Insert("���������", "���������");
//��ѯ���
TestUser u = da.SelectUserByUserId(UserID);
Console.WriteLine("Insert(values): ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
u.UserName = "******";
u.UserPass = "******";
//Update<T>ʾ��, ֱ��ͨ��������и���
da.Update<TestUser>(u);
//��ѯDataSet
DataSet ds = da.SelectDataSetByUserId(UserID);
//Update<T>ʾ��, ֱ��ͨ��������и���
if (ds.Tables[0].Rows.Count > 0)
{
da.Update<DataRow>(ds.Tables[0].Rows[0]);
}
//��ѯ���
u = da.SelectUserByUserId(UserID);
Console.WriteLine("Update<T>���: ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
//Update(values)
da.Update(u.ID, "��������ʾ��", "��������ʾ��");
u = da.SelectUserByUserId(UserID);
Console.WriteLine("Update(values)���: ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
//Delete(����)
da.Delete(u.ID);
u.UserName = "******";
u.UserPass = "******";
//Insert<T>
UserID = da.Insert<TestUser>(u);
//��ѯ
u = da.SelectUserByUserId(UserID);
Console.WriteLine("Inser<T>���: ID={0},UserName={1}, UserPass={2}", u.ID, u.UserName, u.UserPass);
}
/// <summary>
/// HowTO: 5. Transaction, ֧��������ͬ���ݿ�����֮�������
/// </summary>
static void HowTO_5()
{
Console.WriteLine("HowTO: 5. Transaction, ֧��������ͬ���ݿ�����֮�������");
TestAbstractDA da1 = new TestAbstractDA();
TestAbstractTable da2 = new TestAbstractTable();
try
{
using (TransScope scope = new TransScope(da1, da2))
{
da1.DeleteAll();
da2.DeleteAll();
int id1 = da1.Insert("1", "1");
int id2 = da2.Insert("2", "2");
da1.Insert("3", "3");
da2.Insert("4", "4");
Console.WriteLine("da1:");
foreach (TestUser u in da1.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
Console.WriteLine("da2:");
foreach (TestUser u in da2.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
da1.Update(id1, "��", "��");
da2.Update(id2, "��", "��");
Console.WriteLine("da1�ĺ�:");
foreach (TestUser u in da1.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
Console.WriteLine("da1�ĺ�:");
foreach (TestUser u in da2.SelectAll())
{
Console.WriteLine("\tID={0},UserName={1},UserPass={2}", u.ID, u.UserName, u.UserPass);
}
scope.Commit();
}
}
catch (DatabaseException ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("SQL:" + ex.SQL);
}
}
