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

Reference

DB2Command Class
DB2Command Members
Overload List
DB2DataReader Class
DB2Connection Class

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