entitydatasourceentitysetnameconverter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWebControlsDesign / System / Data / WebControls / Design / entitydatasourceentitysetnameconverter.cs / 1305376 / entitydatasourceentitysetnameconverter.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//----------------------------------------------------------------------------- 

using System.Collections.Generic; 
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Web.UI.WebControls; 

namespace System.Web.UI.Design.WebControls 
{ 
    internal class EntityDataSourceEntitySetNameConverter : StringConverter
    { 
        public EntityDataSourceEntitySetNameConverter()
            : base()
        {
        } 

        public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) 
        { 
            // We can only get a list of possible EntitySetName values if we have:
            //    (1) Connection string so we can load metadata 
            //    (2) DefaultContainerName to give scope to the lookup
            // Even if these values are set, it may not be possible to actually find them in metadata, but at least we can try the lookup if requested

            EntityDataSource entityDataSource = context.Instance as EntityDataSource; 
            if (entityDataSource != null &&
                    !String.IsNullOrEmpty(entityDataSource.ConnectionString) && 
                    !String.IsNullOrEmpty(entityDataSource.DefaultContainerName)) 
            {
                List entitySetNameItems = new EntityDataSourceDesignerHelper(entityDataSource, false /*interactiveMode*/).GetEntitySets(entityDataSource.DefaultContainerName); 
                string[] entitySetNames = new string[entitySetNameItems.Count];
                for (int i = 0; i < entitySetNameItems.Count; i++)
                {
                    entitySetNames[i] = entitySetNameItems[i].EntitySetName; 
                }
                return new StandardValuesCollection(entitySetNames); 
            } 

            return null; 
        }

        public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
        { 
            return false;
        } 
 
        public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
        { 
            return true;
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//----------------------------------------------------------------------------- 

using System.Collections.Generic; 
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Web.UI.WebControls; 

namespace System.Web.UI.Design.WebControls 
{ 
    internal class EntityDataSourceEntitySetNameConverter : StringConverter
    { 
        public EntityDataSourceEntitySetNameConverter()
            : base()
        {
        } 

        public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) 
        { 
            // We can only get a list of possible EntitySetName values if we have:
            //    (1) Connection string so we can load metadata 
            //    (2) DefaultContainerName to give scope to the lookup
            // Even if these values are set, it may not be possible to actually find them in metadata, but at least we can try the lookup if requested

            EntityDataSource entityDataSource = context.Instance as EntityDataSource; 
            if (entityDataSource != null &&
                    !String.IsNullOrEmpty(entityDataSource.ConnectionString) && 
                    !String.IsNullOrEmpty(entityDataSource.DefaultContainerName)) 
            {
                List entitySetNameItems = new EntityDataSourceDesignerHelper(entityDataSource, false /*interactiveMode*/).GetEntitySets(entityDataSource.DefaultContainerName); 
                string[] entitySetNames = new string[entitySetNameItems.Count];
                for (int i = 0; i < entitySetNameItems.Count; i++)
                {
                    entitySetNames[i] = entitySetNameItems[i].EntitySetName; 
                }
                return new StandardValuesCollection(entitySetNames); 
            } 

            return null; 
        }

        public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
        { 
            return false;
        } 
 
        public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
        { 
            return true;
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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