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/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / WebControls / XmlDesignerDataSourceView.cs / 1 / XmlDesignerDataSourceView.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.WebControls { using System; using System.Collections; using System.Diagnostics; using System.Web.UI.WebControls; ////// XmlDesignerDataSourceView is the designer view associated with a XmlDataSourceDesigner. /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags = System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] public class XmlDesignerDataSourceView : DesignerDataSourceView { private XmlDataSourceDesigner _owner; public XmlDesignerDataSourceView(XmlDataSourceDesigner owner, string viewName) : base(owner, viewName) { _owner = owner; } public override IDataSourceViewSchema Schema { get { XmlDataSource xmlDataSource = _owner.GetDesignTimeXmlDataSource(String.Empty); if (xmlDataSource == null) { return null; } string xPath = xmlDataSource.XPath; if (xPath.Length == 0) { xPath = "/node()/node()"; } IDataSourceSchema schema = new XmlDocumentSchema(xmlDataSource.GetXmlDocument(), xPath); if (schema != null) { IDataSourceViewSchema[] viewSchemas = schema.GetViews(); if ((viewSchemas != null) && (viewSchemas.Length > 0)) { return viewSchemas[0]; } } return null; } } public override IEnumerable GetDesignTimeData(int minimumRows, out bool isSampleData) { // First try to use the runtime control to load actual data IEnumerable runtimeData = _owner.GetRuntimeEnumerable(Name); if (runtimeData != null) { // Runtime data was loaded, return it isSampleData = false; return runtimeData; } // No design time data could be retrieved, show dummy data return base.GetDesignTimeData(minimumRows, out isSampleData); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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