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What is the difference between "if (hasrows()) { while (read()) }" and "while (read()...

"Invalid attempt to call Read when reader is closed" when using a SqlDataReader...

using on SQLDataReader...

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C# SqlDataReader.GetInt64 System.InvalidCastException: Specified cast is not valid...

How to get number of rows using SqlDataReader in C#...

Reading SQL query result with multiple columns in C#...

Invalid attempt to read when no data is present...

Check for column name in a SqlDataReader object...

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How to use SqlDataReader in a loop?...

How to Return and Consume an IAsyncEnumerable with SqlDataReader...

Dynamic SQL query with parameters in C#...

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Calling SQL Server stored procedure with result set and return value...

Get number of result sets from a SqlDataReader...

Getting an error: Invalid attempt to call Read when reader is closed...

Does while (reader.Read()) automatically close itself?...

how to check if a datareader is null or empty...

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SqlDataReader Get Value By Column Name (Not Ordinal Number)...

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Why is ExecuteReader closing?...

Convert SqlDataReader to linq expression...