SelectCommand Property

In This Topic

Gets or sets a Magento statement used to select records in the data source.

Syntax

Visual Basic
C#

'Declaration
 
Public Shadows Property SelectCommand As MagentoCommand

public new MagentoCommand SelectCommand {get; set;}

Property Value

A MagentoCommand that is used during a fill operation to select records from the data source for placement in the System.Data.DataSet.

Remarks

When SelectCommand is assigned to a previously created MagentoCommand, the MagentoCommand is not cloned. Instead, the SelectCommand maintains a reference to the previously created MagentoCommand object.

If SelectCommand does not return any rows, no tables are added to the System.Data.DataSet, and no exception is raised.

This property supports the InterForm technology.

Example

The following example creates a MagentoDataAdapter, sets some of its properties, retrieves data from a table, and displays it.

csharp

public void CreateDataAdapter(MagentoConnection magentoConnection)
{
  MagentoDataAdapter myAdapter = new MagentoDataAdapter();
  myAdapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;
  DataSet myDataSet = new DataSet();
  myAdapter.SelectCommand = new MagentoCommand("SELECT customer_id, lastname FROM Customers", magentoConnection);
  myAdapter.Fill(myDataSet,"Customers");
  //Get all data from all tables within the dataset
  foreach(DataTable myTable in myDataSet.Tables)
  {
    foreach(DataRow myRow in myTable.Rows)
    {
      foreach (DataColumn myColumn in myTable.Columns)
      {
        Console.Write(myRow[myColumn]+"\t");
      }
      Console.WriteLine();
    }
    Console.WriteLine();
  }
}

Visual Basic

Public Sub CreateDataAdapter(ByVal magentoConnection As MagentoConnection)
  Dim myAdapter As MagentoDataAdapter = New MagentoDataAdapter
  myAdapter.MissingSchemaAction = MissingSchemaAction.AddWithKey
  Dim myDataSet As DataSet = New DataSet
  myAdapter.SelectCommand = New MagentoCommand("SELECT customer_id, lastname FROM Customers", magentoConnection)
  myAdapter.Fill(myDataSet, "Customers")
  Dim myTable As DataTable
  Dim myRow As DataRow
  Dim myColumn As DataColumn
  ' Get all data from all tables within the dataset
  For Each myTable In myDataSet.Tables
    For Each myRow In myTable.Rows
      For Each myColumn In myTable.Columns
        Console.Write(myRow(myColumn) & Chr(9))
      Next myColumn
      Console.WriteLine()
    Next myRow
    Console.WriteLine()
  Next myTable
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

MagentoDataAdapter Class
MagentoDataAdapter Members
DeleteCommand Property
InsertCommand Property
UpdateCommand Property

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