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