ExecuteReader() Method

In This Topic

Sends the CommandText to the Connection and builds a DB2DataReader.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Shadows Function ExecuteReader() As DB2DataReader

public new DB2DataReader ExecuteReader()

Return Value

A DB2DataReader object.

Example

The following example creates a DB2Command, then executes it by passing a string that is SQL SELECT statement, and a string to use to connect to the data source.

csharp

public void CreateDB2DataReader(string mySelectQuery,string db2ConnectionString)
{
  DB2Connection db2Connection = new DB2Connection(db2ConnectionString);
  DB2Command db2Command = new DB2Command(mySelectQuery, db2Connection);
  db2Command.Connection.Open();
  DB2DataReader db2Reader = db2Command.ExecuteReader();
  try
  {
    while(db2Reader.Read())
    {
      Console.WriteLine(db2Reader.GetString(0));
    }
  }
  finally
  {
    db2Reader.Close();
    db2Connection.Close();
  }
}

Visual Basic

Public Sub CreateDB2DataReader(mySelectQuery As String, _
db2ConnectionString As String)
  Dim db2Connection As New DB2Connection(db2ConnectionString)
  Dim db2Command As New DB2Command(mySelectQuery, db2Connection)
  db2Command.Connection.Open()
  Dim db2Reader As DB2DataReader = db2Command.ExecuteReader()
  Try
    While db2Reader.Read()
      Console.WriteLine(db2Reader.GetString(0))
    End While
  Finally
    db2Reader.Close()
    db2Connection.Close()
  End Try
End Sub

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DB2Command Class
DB2Command Members
Overload List
DB2DataReader Class
DB2Connection Class

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