即使表由于特定事务而被锁定,我仍试图从表中读取记录。
我正在使用下面的代码
public async Task<KeyValuePair<String, List<Om_Category>>> CategoryList(Om_Category obj)
{
try
{
using (var transaction = new TransactionScope(
TransactionScopeOption.Required,
new TransactionOptions
{
IsolationLevel = IsolationLevel.ReadUncommitted
},
TransactionScopeAsyncFlowOption.Enabled))
{
using (var categoryContext = new ModelGeneration())
{
categoryContext.Configuration.ProxyCreationEnabled = false;
var data = await categoryContext
.tblCategory
.ToListAsync();
transaction.Complete();
return new KeyValuePair<String, List<Om_Category>>("", data);
}
}
}
catch (Exception ex)
{
return new KeyValuePair<String, List<Om_Category>>(ex.Message, null);
}
}
But seems like I am missing something to implement NoLocks. Still it show timeout. Am I missing something ?
最佳答案
令人惊讶的是, Entity Framework 内置的事务类有效!!
public async Task<KeyValuePair<String, List<BE_Category>>> CategoryList(BE_Category obj)
{
try
{
using (var categoryContext = new ModelGeneration())
{
using (var dbContextTransaction = categoryContext
.Database
.BeginTransaction(System.Data.IsolationLevel.ReadUncommitted))
{
categoryContext.Configuration.ProxyCreationEnabled = false;
//Code
dbContextTransaction.Commit();
return new KeyValuePair<String, List<BE_Category>>("", data);
}
}
}
catch (Exception ex)
{
return new KeyValuePair<String, List<BE_Category>>(ex.Message, null);
}
}
关于c# - Entity Framework 中的 NoLock,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32858415/