ExecuteNonQuery Method (DbCommandBase)

In This Topic

Syntax
Remarks
See Also

Executes SQL statement against the System.Data.Common.DbCommand.Connection and returns the number of rows affected.

Syntax

Visual Basic
C#

public override int ExecuteNonQuery()

'Declaration
 
Public Overrides Function ExecuteNonQuery() As Integer

Return Value

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.

Remarks

You can use ExecuteNonQuery method to perform catalog operations (for example, querying the structure of a database or creating database objects such as tables); or to change the data in a data source, without using a DataSet, by executing UPDATE, INSERT, or DELETE statements.

Although ExecuteNonQuery does not return any rows, any output parameters or return values mapped to parameters are populated with data.

When executing stored procedures you have to create Devart.Common.DbParameter with Devart.Common.DbParameter.Direction set to ReturnValue or set ParameterCheck property to true.

Reference

DbCommandBase Class
DbCommandBase Members

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