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Update README.md

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sunkaixuan 2017-05-27 02:12:25 +08:00 committed by GitHub
parent a7c2252d33
commit d4893253f8
1 changed files with 12 additions and 10 deletions
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22
README.md
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@ -294,29 +294,31 @@ var db = GetInstance();
//1. no result
var result = db.UseTran(() =>
{
var beginCount = db.Queryable<Student>().Count();
db.Ado.ExecuteCommand("delete student");
var endCount = db.Queryable<Student>().Count();
throw new Exception("error haha");
var beginCount = db.Queryable<Student>().Count();
db.Ado.ExecuteCommand("delete student");
var endCount = db.Queryable<Student>().Count();
throw new Exception("error haha");
});
var count = db.Queryable<Student>().Count();
//2 has result
var result2 = db.UseTran<List<Student>>(() =>
{
return db.Queryable<Student>().ToList();
return db.Queryable<Student>().ToList();
});
//3 use try
try
{
db.Ado.BeginTran();
db.Ado.CommitTran();
db.Ado.BeginTran();
xxxx
db.Ado.CommitTran();
}
catch (Exception)
{
db.Ado.RollbackTran();
throw;
db.Ado.RollbackTran();
throw;
}
```