DbLoaderColumnCollection Class

In This Topic

Represents a collection of columns relevant to a DbLoader.

Syntax

Visual Basic
C#

'Declaration
 
Public Class DbLoaderColumnCollection 
   Inherits System.Collections.CollectionBase
   Implements System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList

public class DbLoaderColumnCollection : System.Collections.CollectionBase, System.Collections.ICollection, System.Collections.IEnumerable, System.Collections.IList

Remarks

Use DbLoaderColumnCollection class to add or remove columns that will be loaded. Order and number of columns in the collection must be equal to the order and number of columns in the loaded table.

Example

Following example displays all loader columns.

csharp

public void DisplayColumns(string tableName, PgSqlConnection conn) {

  // Create loader instance
  PgSqlLoader loader = new PgSqlLoader();

  // Set up working connection
  // Connection must be opened
  loader.Connection = conn;

  // Set up table name for loading
  loader.TableName = tableName;

  // Create column collection for loading table
  loader.CreateColumns();

  // Iterate through column collection
  foreach (PgSqlLoaderColumn column in loader.Columns)
    Console.WriteLine(column.Name);
}

Visual Basic

Public Sub DisplayColumns(tableName as string, conn as PgSqlConnection)

  ' Create loader instance
  Dim loader as PgSqlLoader = new PgSqlLoader()

  ' Set up working connection
  ' Connection must be opened
  loader.Connection = conn

  ' Set up table name for loading
  loader.TableName = tableName

  ' Create column collection for loading table
  loader.CreateColumns()

  ' Iterate through column collection
  Dim column as PgSqlLoaderColumn
  For Each column in loader.Columns
    Console.WriteLine(column.Name)
  Next
End Sub

Inheritance Hierarchy

System.Object
   System.Collections.CollectionBase
      Devart.Common.DbLoaderColumnCollection
         Devart.Data.PostgreSql.PgSqlLoaderColumnCollection

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

DbLoaderColumnCollection Members
Devart.Common Namespace
DbLoader Class

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