DbLoaderColumnCollection Class

In This Topic

Syntax
Remarks
Example
Inheritance Hierarchy
See Also

Represents a collection of columns relevant to a DbLoader.

Syntax

Visual Basic
C#

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

'Declaration
 
Public Class DbLoaderColumnCollection 
   Inherits System.Collections.CollectionBase
   Implements 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, MySqlConnection conn) {

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

  // 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 (MySqlLoaderColumn column in loader.Columns)
    Console.WriteLine(column.Name);
}

Visual Basic

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

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

  ' 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 MySqlLoaderColumn
  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.MySql.MySqlLoaderColumnCollection

Reference

DbLoaderColumnCollection Members
Devart.Common Namespace
DbLoader Class

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