ExecuteNonQuery Method

In This Topic

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

Syntax

Visual Basic
C#

'Declaration
 
Public Overrides Function ExecuteNonQuery() As Integer

public override int ExecuteNonQuery()

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 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.

Reference

DbCommandBase Class
DbCommandBase Members

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