Methods of the Command Objects with databases?
The Command object is represented by two corresponding classes: SqlCommand and OleDbCommand. Command objects are used to execute statements (commands) to a database via a data connection. The Command objects can be used to execute stored procedures on the Database, SQL statements, or return complete tables directly. Command objects provide three methods that are used to execute commands on the database:- ExecuteNonQuery. Executes direct SQL commands, such as INSERT, UPDATE or DELETE.
- ExecuteScalar. Returns a single value from a Database Query.
- ExecuteReader. Returns a result set by way of a DataReader object.
Index
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