DynamicEntity.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / DynamicData / DynamicData / DynamicEntity.cs / 1305376 / DynamicEntity.cs
                        

                        
                            using System.ComponentModel; 
using System.Diagnostics.CodeAnalysis;
using System.Drawing;
using System.Globalization;
using System.Web.DynamicData.Util; 
using System.Web.Resources;
using System.Web.UI; 
using System.Web.UI.WebControls; 

namespace System.Web.DynamicData { 
    [ToolboxBitmap(typeof(DynamicEntity), "DynamicEntity.bmp")]
    public class DynamicEntity : Control {
        private HttpContextBase _context;
 
        [
        DefaultValue(DataBoundControlMode.ReadOnly), 
        Category("Behavior"), 
        ResourceDescription("DynamicEntity_Mode")
        ] 
        public DataBoundControlMode Mode {
            get {
                var value = ViewState["Mode"];
                return value != null ? (DataBoundControlMode)value : DataBoundControlMode.ReadOnly; 
            }
            set { 
                ViewState["Mode"] = value; 
            }
        } 

        [
        DefaultValue(""),
        Category("Behavior"), 
        ResourceDescription("DynamicControlFieldCommon_UIHint")
        ] 
        public string UIHint { 
            get {
                return (string)ViewState["UIHint"] ?? String.Empty; 
            }
            set {
                ViewState["UIHint"] = value;
            } 
        }
 
        [ 
        Category("Behavior"),
        DefaultValue(""), 
        Themeable(false),
        ResourceDescription("DynamicControlFieldCommon_ValidationGroup")
        ]
        public string ValidationGroup { 
            get {
                return (string)ViewState["ValidationGroup"] ?? String.Empty; 
            } 
            set {
                ViewState["ValidationGroup"] = value; 
            }
        }

        private new HttpContextBase Context { 
            get {
                return _context ?? new HttpContextWrapper(HttpContext.Current); 
            } 
        }
 
        public DynamicEntity() {
        }

        // for unit testing 
        internal DynamicEntity(HttpContextBase context)
            : this() { 
            _context = context; 
        }
 
        [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers", MessageId = "0#")]
        protected override void OnLoad(EventArgs e) {
            base.OnLoad(e);
 
            if (DesignMode) {
                return; 
            } 

            MetaTable table = MetaTableHelper.FindMetaTable(this, Context); 
            if (table == null) {
                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture,
                    DynamicDataResources.DynamicEntity_ControlNeedsToExistInAContextSupportingDynamicData,
                    this.ID)); 
            }
 
            EntityTemplateFactory entityTemplateFactory = table.Model.EntityTemplateFactory; 
            EntityTemplateUserControl entityTemplateControl = entityTemplateFactory.CreateEntityTemplate(table, Mode, UIHint);
            if (entityTemplateControl == null) { 
                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture,
                    DynamicDataResources.DynamicEntity_CantFindTemplate,
                    table.Name,
                    entityTemplateFactory.TemplateFolderVirtualPath)); 
            }
 
            entityTemplateControl.Mode = Mode; 
            entityTemplateControl.ValidationGroup = ValidationGroup;
            entityTemplateControl.Table = table; 
            Controls.Add(entityTemplateControl);
        }

        protected override void Render(HtmlTextWriter writer) { 
            if (DesignMode) {
                writer.Write("[" + GetType().Name + "]"); 
            } 
            else {
                base.Render(writer); 
            }
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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