I got a problem with an error that say that my datareader is already open. My code looks like this. public static Users GetByID (int ID, SqlConnection connection) { SqlCommand command = new SqlCommand ("Select Name, Email, LastLogin, FK_Role_ID from Users where ID=@id"); command.Connection = connection; command.Parameters.Add (new SqlParameter ... WebMar 11, 2015 · I'm getting the following error intermittently. There is already an open DataReader associated with this Command which must be closed first. I read that this can happens when there are nested DataReaders in the same connection, but in my case, …
c# - Entity Framework error: There is already an open DataReader ...
WebJan 14, 2014 · System.InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first. c#; sql-server; sqldatareader; Share. Improve this question. Follow edited Jan 14, 2014 at 8:40. marc_s. 725k 174 174 gold badges 1326 1326 silver badges 1449 1449 bronze badges. WebFeb 13, 2024 · I am running an issue with "DataReader already open, and it does not make sense at all as I am using multiple contexts. Here is dummy representations of respective classes. public class MyDbContext : DbContext { private readonly PjSqlConnectionStringBuilder pjSqlConnectionStringBuilder; public … cincinnati reds tv schedule 2020 printable
open DataReader associated with this Command - Stack Overflow
WebApr 9, 2024 · However, when I try to use yfinance and pandas_datareader, the app returns nothing. I have already incorporated the override code and yfinance, pdr are both of the latest versions. Moreover, when I run the flask app on localhost it works just fine accessing yahoo finance API...I don't understand why it stops working once the app is running on ... Web5. You make another request in your select for each of your products. But your products are enumerated so the first datareader is not closed. It is why you have multiple datareaders opened. public ActionResult Index () { var products = _db.Products.ToArray () // force loading the results from database // and close the datareader var viewModel ... WebMar 15, 2024 · If your Command contains output parameters or return values, they will not be available until the DataReader is closed. Note that while a DataReader is open, the Connection is in use exclusively by that DataReader. You cannot execute any commands for the Connection, including creating another DataReader, until the original DataReader … dhs trusted tester course