WebAug 26, 2024 · See the inner exception for details. ---> System.InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first. at System.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute … Web15 hours ago · SACRAMENTO -- Around 3 p.m. on Thursday, a sign went up on The State Capitol's entrance: "State Capitol Temporarily Closed to the Public." This, more than …
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WebJan 19, 2015 · There is already an open datareader associated with this command which must be closed first. at this line of code: using (SqlDataReader rd = command.ExecuteReader ()) I have tried to close all other SqlDataReader 's … WebSep 23, 2024 · There is already an open datareader associated with this command which must be closed first. There is already an open DataReader associated with this Command which must be closed first. There is already an open DataReader associated with this Command which must be closed first WebMar 15, 2024 · Solution 1 The clue is in the error message: there is already an open datareader associated with this command which must be closed. You create a reader, and do not try to dispose of it before you reuse the same connection for the insert command. This is not allowed: http://msdn.microsoft.com/en-us/library/haa3afyz (v=vs.80).aspx [ ^] thermopompe cowansville