Retrieve data from database in VB.net and fix error Invalid attempt read when no data is present

Retrieve data from a database in VB.net and Solve Invalid attempt to read when no data is present
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Keywords:
invalid attempt to read when no data is present hasrows true
invalid attempt to read when no data is present entity framework
exception calling getvalue with 1 argument 's invalid attempt to read when no data is present
there is already an open datareader associated with this command which must be closed first
how to retrieve data from database in c# using datareader
ado net read data from table
reader hasrows threw an exception of type system invalidoperationexception
sqldatareader getvalue invalidoperationexception
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• #invalid_attempt_to_read_when_no_data_is_present
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• #vbnet
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• #fix_error_invalid_attempt
• #retrieve_data_from_database_in_vbnet
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• #invalid_attempt_to_read_when_no_data_is_present_hasrows_true