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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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README.md
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@ -294,29 +294,31 @@ var db = GetInstance();
//1. no result //1. no result
var result = db.UseTran(() => var result = db.UseTran(() =>
{ {
var beginCount = db.Queryable<Student>().Count(); var beginCount = db.Queryable<Student>().Count();
db.Ado.ExecuteCommand("delete student"); db.Ado.ExecuteCommand("delete student");
var endCount = db.Queryable<Student>().Count(); var endCount = db.Queryable<Student>().Count();
throw new Exception("error haha"); throw new Exception("error haha");
}); });
var count = db.Queryable<Student>().Count(); var count = db.Queryable<Student>().Count();
//2 has result //2 has result
var result2 = db.UseTran<List<Student>>(() => var result2 = db.UseTran<List<Student>>(() =>
{ {
return db.Queryable<Student>().ToList(); return db.Queryable<Student>().ToList();
}); });
//3 use try //3 use try
try try
{ {
db.Ado.BeginTran(); db.Ado.BeginTran();
xxxx
db.Ado.CommitTran(); db.Ado.CommitTran();
} }
catch (Exception) catch (Exception)
{ {
db.Ado.RollbackTran(); db.Ado.RollbackTran();
throw; throw;
} }
``` ```