ACCESS数据库访问组件（四）

来源：作者：出处：巧巧读书 2006-10-16 进入讨论组

关键词：
access数据库
rip

using System;
using System.Data;
using System.Data.OleDb;
using System.Collections;

namespace XLang.VideoOnline.Framework.Database.Access
{
/// <summary>
/// Summary description for ACCESS_DataViewsCollection.
/// </summary>
public class DataViewsCollection
{
private Database.Access.DataView[] _views;

private int _count;

  public int Count
  {
   get
   {
    return _count;
   }
  }

  public DataViewsCollection(OleDbConnection connection)
  {
   System.Data.DataTable schemaTable = connection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables,
    new object[] {null, null,null, "VIEW"});

_count=schemaTable.Rows.Count;
_views=new Database.Access.DataView[_count];

   for(int i=0;i<_count;i++)
   {
    _views[i]=new Database.Access.DataView(schemaTable.Rows[i][2].ToString());
   }
  }

  public Database.Access.DataView this [int tableIndex]
  {
   get
   {
    return _views[tableIndex];
   }
   set
   {
    _views[tableIndex]=value;
   }
  }

  public Database.Access.DataView this [string viewName]
  {
   get
   {
    return this [NameToIndex(viewName)];
   }
   set
   {
    this [NameToIndex(viewName)]=value;
   }
  }

  private int NameToIndex(string viewName)
  {
   for(int i=0;i<_views.Length;i++)
   {
    if(_views[i].Name.ToUpper()==viewName.ToUpper())
     return i;
   }
   return -1;
  }

}
}