Invalid Attempt To Call Read When Reader Is Closed. But it failes using the 21preview of MicrosoftDataSQLite A exception SystemInvalidOperationException Invalid attempt to call Read when reader is closed is thrown on calling the Read method after the command was disposed The problem is caused by calling the dispose method of the cached data reader in the dispose method of the command.
I am planning to store large strings in Value column (>30mb) and query them in multiple threads So the problem that when I do more then 9 queries in parallel it starts throwing exception SystemInvalidOperationException Invalid attempt to call CheckDataIsReady when reader is closed [Fact] public void TestMemory () { const string key.
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Invalid attempt to call Read when reader is closed Archived Forums > ADONET Entity Framework LINQ to SQL Nhibernate //You.
sqldatareader error "Invalid attempt to call Read when
Hello I am trying to pass a data reader and keep on getting the following error “Invalid attempt to Read when reader is closed ” Function DoSomething() ‘Do database stuff dtrDataReader = cmdSelectExecuteReader(CommandBehaviorCloseConnection) SetDataReader(dtrDataReader) End Function The code above sets the datareader to a another function so that it can be.
Getting "Invalid attempt to call Read when reader is closed"
Solution 1 Accept Solution Reject Solution Don’t call DdldrClose () especially inside the while This way you are doing a first iteration closing the reader and the second iteration will of course booom as the reader is closed Permalink.
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Invalid attempt to call Read when reader is closed. asp
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Invalid attempt to call Read when reader is closed The
Reader works only when the connection is open result = commandExecuteReader () connectionClose () return result // here the reader is not valid Generally speaking you should not be returning a reader to a business layer Reader should be used only in the data access layerCode sampleusing (var dr = commandExecuteReader()) { while (drRead()) { string address = dr[“addressLineOne”]ToString() distributionAllAdd(new Distribution(address)) }Was this helpful?Thanks! .