Does ExecuteNonQuery commit transaction?

If you do not explicitly commit or roll back a transaction, it is automatically rolled back at the time when the connection is closed or disposed. The following C# example demonstrates how to roll back or commit a transaction: ExecuteNonQuery(); transaction. Commit(); // Attempt to commit the transaction. }

What is ExecuteScalar ExecuteNonQuery ExecuteReader?

ExecuteScalar() only returns the value from the first column of the first row of your query. ExecuteReader() returns an object that can iterate over the entire result set. ExecuteNonQuery() does not return data at all: only the number of rows affected by an insert, update, or delete.

What is the use of ExecuteNonQuery () method?

ExecuteNonQuery: Use this operation to execute any arbitrary SQL statements in SQL Server if you do not want any result set to be returned. You can use this operation to create database objects or change data in a database by executing UPDATE, INSERT, or DELETE statements.

What does ExecuteNonQuery () method return?

Although the ExecuteNonQuery returns no rows, any output parameters or return values mapped to parameters are populated with data. For UPDATE, INSERT, and DELETE statements, the return value is the number of rows affected by the command. For all other types of statements, the return value is -1.

When does executenonquery need to have a transaction?

“ExecuteNonQuery requires the command to have a transaction when the connection assigned to the command is in a pending local transaction. The Transaction property of the command has not been initialized.” – Fandango68 Mar 3 ’16 at 6:15 Don’t forget to dispose the SqlTransaction and SqlConnection objects when you are done using them.

How to cancel the execution of a dbcommand?

Gets or sets the ISite of the Component. Gets or sets the DbTransaction within which this DbCommand object executes. When overridden in a derived class, gets or sets how command results are applied to the DataRow when used by the Update method of a DbDataAdapter. When overridden in a derived class, attempts to cancel the execution of a DbCommand.

How to execute the dbcommand object against the connection?

Do not invoke other methods and properties of the DbCommand object until the returned Task is complete. Executes the CommandText against the Connection, and returns an DbDataReader. Executes the CommandText against the Connection, and returns an DbDataReader using one of the CommandBehavior values.

How to execute multiple SQL commands in one transaction?

Finally, you can execute multiple SQL statements in a single command by appending ‘;’ to each statement, if you must execute the entire string. You can bunch a number of these commands together and make one request to SQL server to execute them. Does this really mean all the statements are run in the same transaction?