58 lines
2.2 KiB
C#
58 lines
2.2 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="EntityDataSourceContainerNameConverter.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 [....]
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// @backupOwner [....]
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//------------------------------------------------------------------------------
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Diagnostics;
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using System.Web.UI.WebControls;
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namespace System.Web.UI.Design.WebControls
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{
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internal class EntityDataSourceContainerNameConverter : StringConverter
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{
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public EntityDataSourceContainerNameConverter()
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: base()
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{
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}
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public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
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{
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// We can only get a list of possible DefaultContainerName values if we have:
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// (1) Connection string so we can load metadata
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// Even if this value is set, it may not be possible to actually load the metadata, but at least we can try the lookup if requested
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EntityDataSource entityDataSource = context.Instance as EntityDataSource;
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if (entityDataSource != null && !String.IsNullOrEmpty(entityDataSource.ConnectionString))
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{
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List<EntityDataSourceContainerNameItem> containerNameItems = new EntityDataSourceDesignerHelper(entityDataSource, false /*interactiveMode*/).GetContainerNames(true /*sortResults*/);
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string[] containers = new string[containerNameItems.Count];
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for (int i = 0; i < containerNameItems.Count; i++)
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{
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containers[i] = containerNameItems[i].ToString();
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}
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return new StandardValuesCollection(containers);
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}
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return null;
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}
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public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
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{
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return false;
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}
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public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
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{
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return true;
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}
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}
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}
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