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//------------------------------------------------------------------------------
// <copyright file="EntityDesignerDataSourceView.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner [....]
// @backupOwner [....]
//------------------------------------------------------------------------------
using System.Collections;
using System.Data;
using System.Web.UI.Design;
namespace System.Web.UI.Design.WebControls
{
public class EntityDesignerDataSourceView : DesignerDataSourceView
{
private EntityDataSourceDesignerHelper _helper;
public EntityDesignerDataSourceView(EntityDataSourceDesigner owner)
: base(owner, EntityDataSourceDesignerHelper.DefaultViewName)
{
_helper = owner.Helper;
}
public override bool CanDelete
{
get
{
return CanModify && _helper.EnableDelete;
}
}
public override bool CanInsert
{
get
{
return CanModify && _helper.EnableInsert;
}
}
internal bool CanModify
{
get
{
return !String.IsNullOrEmpty(_helper.EntitySetName) &&
String.IsNullOrEmpty(_helper.Select) &&
String.IsNullOrEmpty(_helper.CommandText) &&
String.IsNullOrEmpty(_helper.GroupBy);
}
}
public override bool CanPage
{
get
{
return _helper.CanPage;
}
}
public override bool CanSort
{
get
{
return _helper.CanSort;
}
}
public override bool CanUpdate
{
get
{
return CanModify && _helper.EnableUpdate;
}
}
public override IDataSourceViewSchema Schema
{
get
{
DataTable schemaTable = _helper.LoadSchema();
if (schemaTable == null)
{
return null;
}
return new DataSetViewSchema(schemaTable);
}
}
public override IEnumerable GetDesignTimeData(int minimumRows, out bool isSampleData)
{
DataTable schemaTable = _helper.LoadSchema();
if (schemaTable != null)
{
isSampleData = true;
return DesignTimeData.GetDesignTimeDataSource(DesignTimeData.CreateSampleDataTable(new DataView(schemaTable), true), minimumRows);
}
// Couldn't find design-time schema, use base implementation
return base.GetDesignTimeData(minimumRows, out isSampleData);
}
}
}
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