RecordsAffected Property (DB2DataReader)

In This Topic

Gets the number of rows changed, inserted, or deleted by execution of the SQL statement.

Syntax

Visual Basic
C#

'Declaration
 
Public Overrides ReadOnly Property RecordsAffected As Integer

public override int RecordsAffected {get;}

Property Value

The number of rows changed, inserted, or deleted. -1 for SELECT statements; 0 if no rows were affected, or the statement failed.

Remarks

System.Data.Common.DbDataReader.IsClosed and RecordsAffected are the only properties that you can call after the DB2DataReader is closed.

Example

This sample shows how to find out how many rows have been affected during last query. You can do it even if the DB2DataReader has been closed.

csharp

public void ProcessReader (DB2DataReader db2Reader)
{
  if (!db2Reader.IsClosed)
  {
    while (db2Reader.Read())
    {
      for (int i=0;i<db2Reader.FieldCount;i++)
      {
        Console.Write("\t"+db2Reader[i]);
      }
      Console.WriteLine();
    }
  }
  else
  {
    Console.WriteLine("The DataReader is closed. Rows affected in last action: "+db2Reader.RecordsAffected);
  }
}

Visual Basic

Public Sub ProcessReader(ByVal db2Reader As DB2DataReader)
  If Not db2Reader.IsClosed Then
    Dim i As Integer
    While db2Reader.Read()
      For i = 0 To db2Reader.FieldCount - 1
        Console.Write(" " & db2Reader(i))
      Next i
      Console.WriteLine()
    End While
  Else
    Console.WriteLine("The DataReader is closed. Rows affected in last action: " & db2Reader.RecordsAffected)
  End If
End Sub

Reference

DB2DataReader Class
DB2DataReader Members

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