public ITransation BeginTrans(IsolationLevel il)
 {
     if (_transaction == null)
     {
         if (this.Connection.State != ConnectionState.Open)
         {
             this.Connection.Open();
         }
         _transaction = new DapperTransation(this.Connection.BeginTransaction(il));
     }
     return(_transaction);
 }
 public ITransation BeginTrans()
 {
     if (_transaction == null)
     {
         if (this.Connection.State != ConnectionState.Open)
         {
             this.Connection.Open();
         }
         _transaction = new DapperTransation(this.Connection.BeginTransaction());
     }
     return _transaction;
 }