// Using transaction
static void Sample13()
{
Employee[] newEmployees = new Employee[] {
new Employee() { CompanyID = 1, Name = "New Employee1", Age = 23, StartWorking = DateTime.UtcNow },
new Employee() { CompanyID = 1, Name = "New Employee2", StartWorking = DateTime.UtcNow },
new Employee() { CompanyID = 2, Name = "New Employee1" }
};
var simpleQuery = "select * from Employee where Age is not null";
// mapped command
var precompiled2 = MappedCommand.Compile<Employee>("update Employee set Age = Age + 1 where ID = @ID");
// using method SqlScope.UsingTransaction
SqlScope.UsingTransaction(connStr, scope =>
{
// using simple command
var arr = scope.CreateSimple(simpleQuery).ExecuteQuery<Employee>().ToArray();
// using precompiled mapped command
Employee e = new Employee() { ID = 3 };
scope.CreateMapped(precompiled2, e).ExecuteNonQuery();
e.ID = 4;
scope.CreateMapped(precompiled2, e).ExecuteNonQuery();
newEmployees.WriteToServer(scope.Transaction, "Employee");
});
// using external transaction
using (SqlConnection conn = new SqlConnection(connStr))
{
conn.Open();
var tran = conn.BeginTransaction();
try
{
SqlScope scope = new SqlScope(tran);
// using simple command
var arr = scope.CreateSimple(simpleQuery).ExecuteQuery<Employee>().ToArray();
// using precompiled mapped command
Employee e = new Employee() { ID = 3 };
scope.CreateMapped(precompiled2, e).ExecuteNonQuery();
e.ID = 4;
scope.CreateMapped(precompiled2, e).ExecuteNonQuery();
newEmployees.WriteToServer(scope.Transaction, "Employee");
tran.Commit();
}
catch
{
tran.Rollback();
throw;
}
}
}
// Bulk insert of entities to database
static void Sample11()
{
Employee[] newEmployees = new Employee[] {
new Employee() { CompanyID = 1, Name = "New Employee1", Age = 23, StartWorking = DateTime.UtcNow },
new Employee() { CompanyID = 1, Name = "New Employee2", StartWorking = DateTime.UtcNow },
new Employee() { CompanyID = 2, Name = "New Employee1" }
};
newEmployees.WriteToServer(connStr, "Employee");
}
