SqlVersion.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataEntity / System / Data / SqlClient / SqlVersion.cs / 1 / SqlVersion.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System.Collections.Generic;
using System.Text; 
using System.Globalization;
using System.Data;
using System.Data.Common;
using System.Data.SqlClient; 

namespace System.Data.SqlClient 
{ 
    /// 
    /// This enum describes the current server version 
    /// 
    internal enum SqlVersion
    {
        ///  
        /// Sql Server 8
        ///  
        Sql8 = 80, 

        ///  
        /// Sql Server 9
        /// 
        Sql9 = 90,
 
        /// 
        /// Sql Server 10 
        ///  
        Sql10 = 100,
 
        // higher versions go here
    }

    ///  
    /// This class is a simple utility class that determines the sql version from the
    /// connection 
    ///  
    internal static class SqlVersionUtils
    { 
        /// 
        /// Get the SqlVersion from the connection. Returns one of Sql8, Sql9, Sql10
        /// 
        /// current sql connection 
        /// Sql Version for the current connection
        internal static SqlVersion GetSqlVersion(SqlConnection connection) 
        { 
            if (connection.IsYukonOrNewer)
            { 
                if (connection.IsKatmaiOrNewer)
                {
                    return SqlVersion.Sql10;
                } 
                else
                { 
                    return SqlVersion.Sql9; 
                }
            } 
            else
            {
                System.Diagnostics.Debug.Assert(connection.ServerVersion.StartsWith("08.", StringComparison.Ordinal),
                                                "not version 8"); 
                return SqlVersion.Sql8;
            } 
        } 

        internal static string GetVersionHint(SqlVersion version) 
        {
            switch(version)
            {
                case SqlVersion.Sql8: 
                    return SqlProviderManifest.TokenSql8;
 
                case SqlVersion.Sql9: 
                    return SqlProviderManifest.TokenSql9;
 
                case SqlVersion.Sql10:
                    return SqlProviderManifest.TokenSql10;

                default: 
                    throw EntityUtil.Argument(Entity.Strings.UnableToDetermineStoreVersion);
            } 
        } 

        internal static SqlVersion GetSqlVersion(string versionHint) 
        {
            if (!string.IsNullOrEmpty(versionHint))
            {
                switch (versionHint) 
                {
                    case SqlProviderManifest.TokenSql8: 
                        return SqlVersion.Sql8; 

                    case SqlProviderManifest.TokenSql9: 
                        return SqlVersion.Sql9;

                    case SqlProviderManifest.TokenSql10:
                        return SqlVersion.Sql10; 
                }
            } 
 
            throw EntityUtil.Argument(Entity.Strings.UnableToDetermineStoreVersion);
        } 

        internal static bool IsPreKatmai(SqlVersion sqlVersion)
        {
            return sqlVersion == SqlVersion.Sql8 || sqlVersion == SqlVersion.Sql9; 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System.Collections.Generic;
using System.Text; 
using System.Globalization;
using System.Data;
using System.Data.Common;
using System.Data.SqlClient; 

namespace System.Data.SqlClient 
{ 
    /// 
    /// This enum describes the current server version 
    /// 
    internal enum SqlVersion
    {
        ///  
        /// Sql Server 8
        ///  
        Sql8 = 80, 

        ///  
        /// Sql Server 9
        /// 
        Sql9 = 90,
 
        /// 
        /// Sql Server 10 
        ///  
        Sql10 = 100,
 
        // higher versions go here
    }

    ///  
    /// This class is a simple utility class that determines the sql version from the
    /// connection 
    ///  
    internal static class SqlVersionUtils
    { 
        /// 
        /// Get the SqlVersion from the connection. Returns one of Sql8, Sql9, Sql10
        /// 
        /// current sql connection 
        /// Sql Version for the current connection
        internal static SqlVersion GetSqlVersion(SqlConnection connection) 
        { 
            if (connection.IsYukonOrNewer)
            { 
                if (connection.IsKatmaiOrNewer)
                {
                    return SqlVersion.Sql10;
                } 
                else
                { 
                    return SqlVersion.Sql9; 
                }
            } 
            else
            {
                System.Diagnostics.Debug.Assert(connection.ServerVersion.StartsWith("08.", StringComparison.Ordinal),
                                                "not version 8"); 
                return SqlVersion.Sql8;
            } 
        } 

        internal static string GetVersionHint(SqlVersion version) 
        {
            switch(version)
            {
                case SqlVersion.Sql8: 
                    return SqlProviderManifest.TokenSql8;
 
                case SqlVersion.Sql9: 
                    return SqlProviderManifest.TokenSql9;
 
                case SqlVersion.Sql10:
                    return SqlProviderManifest.TokenSql10;

                default: 
                    throw EntityUtil.Argument(Entity.Strings.UnableToDetermineStoreVersion);
            } 
        } 

        internal static SqlVersion GetSqlVersion(string versionHint) 
        {
            if (!string.IsNullOrEmpty(versionHint))
            {
                switch (versionHint) 
                {
                    case SqlProviderManifest.TokenSql8: 
                        return SqlVersion.Sql8; 

                    case SqlProviderManifest.TokenSql9: 
                        return SqlVersion.Sql9;

                    case SqlProviderManifest.TokenSql10:
                        return SqlVersion.Sql10; 
                }
            } 
 
            throw EntityUtil.Argument(Entity.Strings.UnableToDetermineStoreVersion);
        } 

        internal static bool IsPreKatmai(SqlVersion sqlVersion)
        {
            return sqlVersion == SqlVersion.Sql8 || sqlVersion == SqlVersion.Sql9; 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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SqlVersion.cs source code in C# .NET

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