dbdatarecord.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 / Data / System / Data / Common / dbdatarecord.cs / 1305376 / dbdatarecord.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// [....] 
// [....]
//----------------------------------------------------------------------------- 
 
namespace System.Data.Common {
 
    using System.ComponentModel;

    public abstract class DbDataRecord : ICustomTypeDescriptor, IDataRecord {
 
        protected DbDataRecord() : base() {
        } 
 
        public abstract int FieldCount {
            get; 
        }

        public abstract object this[int i] {
            get; 
        }
 
        public abstract object this[string name] { 
            get;
        } 

        public abstract bool GetBoolean(int i);

        public abstract byte GetByte(int i); 

        public abstract long GetBytes(int i, long dataIndex, byte[] buffer, int bufferIndex, int length); 
 
        public abstract char GetChar(int i);
 
        public abstract long GetChars(int i, long dataIndex, char[] buffer, int bufferIndex, int length);

        public IDataReader GetData(int i) {
            return GetDbDataReader(i); 
        }
 
        virtual protected DbDataReader GetDbDataReader(int i) { 
            // NOTE: This method is virtual because we're required to implement
            //       it however most providers won't support it. Only the OLE DB 
            //       provider supports it right now, and they can override it.
            throw ADP.NotSupported();
        }
 
        public abstract string GetDataTypeName(int i);
 
        public abstract DateTime GetDateTime(int i); 

        public abstract Decimal GetDecimal(int i); 

        public abstract double GetDouble(int i);

        public abstract Type GetFieldType(int i); 

        public abstract float GetFloat(int i); 
 
        public abstract Guid GetGuid(int i);
 
        public abstract Int16 GetInt16(int i);

        public abstract Int32 GetInt32(int i);
 
        public abstract Int64 GetInt64(int i);
 
        public abstract string GetName(int i); 

        public abstract int GetOrdinal(string name); 

        public abstract string GetString(int i);

        public abstract object GetValue(int i); 

        public abstract int GetValues(object[] values); 
 
        public abstract bool IsDBNull(int i);
 
        //
        // ICustomTypeDescriptor
        //
 
        AttributeCollection ICustomTypeDescriptor.GetAttributes() {
            return new AttributeCollection((Attribute[])null); 
 
        }
 
        string ICustomTypeDescriptor.GetClassName() {
            return null;
        }
 
        string ICustomTypeDescriptor.GetComponentName() {
            return null; 
        } 

        TypeConverter ICustomTypeDescriptor.GetConverter() { 
            return null;
        }

        EventDescriptor ICustomTypeDescriptor.GetDefaultEvent() { 
            return null;
        } 
 

        PropertyDescriptor ICustomTypeDescriptor.GetDefaultProperty() { 
            return null;
        }

        object ICustomTypeDescriptor.GetEditor(Type editorBaseType) { 
            return null;
        } 
 
        EventDescriptorCollection ICustomTypeDescriptor.GetEvents() {
            return new EventDescriptorCollection(null); 
        }

        EventDescriptorCollection ICustomTypeDescriptor.GetEvents(Attribute[] attributes) {
            return new EventDescriptorCollection(null); 
        }
 
        PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties() { 
            return((ICustomTypeDescriptor)this).GetProperties(null);
        } 

        PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties(Attribute[] attributes) {
            return new PropertyDescriptorCollection(null);
        } 

        object ICustomTypeDescriptor.GetPropertyOwner(PropertyDescriptor pd) { 
            return this; 
        }
    } 
}

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

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK