傳送資料集範例

這個「傳送 DataSet」範例會示範如何在伺服器端以 Common Language Runtime (CLR) 為基礎的預存程序內傳回以 ADO.NET 為基礎的 DataSet,做為用戶端的結果集。 例如,當這種預存程序使用查詢的結果填入 DataSet,然後操作該 DataSet 所包含的資料時,這個範例很有幫助。 另外,如果預存程序重新建立及擴展 DataSet,這也很有幫助。此範例包含兩個類別:DataSetUtilitiesTestSendDataSetSendDataSet 類別上的 DataSetUtilities 方法會實作一種通用方式來傳輸 DataSet 執行個體的內容給用戶端。 定義在 DoTest 類別上的 TestSendDataSet 方法會建立 SendDataSet 並以 DataSet Transact-SQL 預存程序中的資料填入其中,藉以確認 uspGetTwoBOMTestData 方法正常運作。 uspGetTwoBOMTestData 會執行 Transact-SQL 預存程序 uspGetBillOfMaterials 兩次,以便遞迴地查詢已指定為 usp_GetTwoBOMTestData 預存程序參數之兩種產品的用料表。 通常,填入資料集之後,在叫用 SendDataSet 來傳遞資料集內的資料做為用戶端的結果集之前,會先修改資料。 為了簡單起見,此範例只傳回資料而不做修改。

必要條件

若要建立並執行這個專案,您必須安裝下列軟體:

  • SQL Server或SQL Server Express。 您可以從SQL Server Express檔和範例網站免費取得SQL Server Express

  • SQL Server Developer網站上可用的 AdventureWorks 資料庫

  • .NET Framework SDK 2.0 或更新版本或是 Microsoft Visual Studio 2005 或更新版本。 您可以免費取得 .NET Framework SDK。

  • 此外,您也必須符合下列條件:

  • 您使用的SQL Server實例必須啟用 CLR 整合。

  • 若要啟用 CLR 整合,請執行下列步驟:

    啟用 CLR 整合

    • 執行下列 Transact-SQL 命令:

    sp_configure 'clr enabled', 1

    GO

    RECONFIGURE

    GO

    注意

    若要啟用 CLR 整合,您必須擁有 ALTER SETTINGS 伺服器層級權限,此權限是由系統管理員 (sysadmin) 和伺服器管理員 (serveradmin) 固定伺服器角色的成員以隱含方式持有。

  • AdventureWorks 資料庫必須安裝在您使用SQL Server實例上。

  • 如果您不是您所使用SQL Server實例的系統管理員,您必須擁有系統管理員授與CreateAssembly許可權才能完成安裝。

建立範例

使用下列指示來建立並執行範例:

  1. 開啟 Visual Studio 或 .NET Framework 命令提示字元。

  2. 必要時,請建立範例的目錄。 在此範例中,我們將使用 C:\MySample。

  3. 在 c:\MySample 中,建立 SendDataSet.vb (適用於 Visual Basic 範例) 或 SendDataSet.cs (適用於 C# 範例) 並將適當的 Visual Basic 或 C# 範例程式碼 (下面) 複製到檔案中。

  4. 根據您選擇的語言,在命令列提示字元中執行下列其中一段程式碼,藉以將範例程式碼編譯成必要的組件。

    • Vbc /reference:C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Data.dll,C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.dll,C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Xml.dll /target:library SendDataSet.vb

    • Csc /reference:C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Data.dll /reference:C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.dll /reference:C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Xml.dll /target:library SendDataSet.cs

  5. 將 Transact-SQL 安裝程式碼複製到檔案中,並將它儲存為 Install.sql 範例目錄中。

  6. 如果此範例安裝在 C:\MySample\ 以外的目錄中,請依照指示編輯 Install.sql 檔案,以指向該位置。

  7. 部署組件、預存程序和函數,方法是執行

    • sqlcmd -E -I -i install.sql
  8. 將 Transact-SQL 測試腳本複製到檔案中,並將它儲存為 test.sql 範例目錄中。

    • sqlcmd -E -I -i test.sql
  9. 將 Transact-SQL 清除腳本複製到檔案中,並將它儲存為 cleanup.sql 範例目錄中。

  10. 使用下列命令來執行指令碼

    • sqlcmd -E -I -i cleanup.sql

範例程式碼

下面是此範例的程式碼清單。

C#

using System;  
using System.Collections.Generic;  
using System.Text;  
using System.Data;  
using System.Data.SqlClient;  
using System.Data.SqlTypes;  
using Microsoft.SqlServer.Server;  
  
    public static class DataSetUtilities  
    {  
  
        public static void SendDataSet(DataSet ds)  
        {  
            if (ds == null)  
            {  
                throw new ArgumentException("SendDataSet requires a non-null data set.");  
            }  
            else  
            {  
                foreach (DataTable dt in ds.Tables)  
                {  
                    SendDataTable(dt);  
                }  
            }  
        }  
  
        public static void SendDataTable(DataTable dt)  
        {  
            bool[] coerceToString;  // Do we need to coerce this column to string?  
            SqlMetaData[] metaData = ExtractDataTableColumnMetaData(dt, out coerceToString);  
  
            SqlDataRecord record = new SqlDataRecord(metaData);  
            SqlPipe pipe = SqlContext.Pipe;  
            pipe.SendResultsStart(record);  
            try  
            {  
                foreach (DataRow row in dt.Rows)  
                {  
                    for (int index = 0; index < record.FieldCount; index++)  
                    {  
                        object value = row[index];  
                        if (null != value && coerceToString[index])  
                            value = value.ToString();  
                        record.SetValue(index, value);  
                    }  
  
                    pipe.SendResultsRow(record);  
                }  
            }  
            finally  
            {  
                pipe.SendResultsEnd();  
            }  
        }  
  
        private static SqlMetaData[] ExtractDataTableColumnMetaData(DataTable dt, out bool[] coerceToString)  
        {  
            SqlMetaData[] metaDataResult = new SqlMetaData[dt.Columns.Count];  
            coerceToString = new bool[dt.Columns.Count];  
            for (int index = 0; index < dt.Columns.Count; index++)  
            {  
                DataColumn column = dt.Columns[index];  
                metaDataResult[index] = SqlMetaDataFromColumn(column, out coerceToString[index]);  
            }  
  
            return metaDataResult;  
        }  
  
        private static Exception InvalidDataTypeCode(TypeCode code)  
        {  
            return new ArgumentException("Invalid type: " + code);  
        }  
  
        private static Exception UnknownDataType(Type clrType)  
        {  
            return new ArgumentException("Unknown type: " + clrType);  
        }  
  
        private static SqlMetaData SqlMetaDataFromColumn(DataColumn column, out bool coerceToString)  
        {  
            coerceToString = false;  
            SqlMetaData sql_md = null;  
            Type clrType = column.DataType;  
            string name = column.ColumnName;  
            switch (Type.GetTypeCode(clrType))  
            {  
                case TypeCode.Boolean: sql_md = new SqlMetaData(name, SqlDbType.Bit); break;  
                case TypeCode.Byte: sql_md = new SqlMetaData(name, SqlDbType.TinyInt); break;  
                case TypeCode.Char: sql_md = new SqlMetaData(name, SqlDbType.NVarChar, 1); break;  
                case TypeCode.DateTime: sql_md = new SqlMetaData(name, SqlDbType.DateTime); break;  
                case TypeCode.DBNull: throw InvalidDataTypeCode(TypeCode.DBNull);  
                case TypeCode.Decimal: sql_md = new SqlMetaData(name, SqlDbType.Decimal, 18, 0); break;  
                case TypeCode.Double: sql_md = new SqlMetaData(name, SqlDbType.Float); break;  
                case TypeCode.Empty: throw InvalidDataTypeCode(TypeCode.Empty);  
                case TypeCode.Int16: sql_md = new SqlMetaData(name, SqlDbType.SmallInt); break;  
                case TypeCode.Int32: sql_md = new SqlMetaData(name, SqlDbType.Int); break;  
                case TypeCode.Int64: sql_md = new SqlMetaData(name, SqlDbType.BigInt); break;  
                case TypeCode.SByte: throw InvalidDataTypeCode(TypeCode.SByte);  
                case TypeCode.Single: sql_md = new SqlMetaData(name, SqlDbType.Real); break;  
                case TypeCode.String: sql_md = new SqlMetaData(name, SqlDbType.NVarChar, column.MaxLength);  
                    break;  
                case TypeCode.UInt16: throw InvalidDataTypeCode(TypeCode.UInt16);  
                case TypeCode.UInt32: throw InvalidDataTypeCode(TypeCode.UInt32);  
                case TypeCode.UInt64: throw InvalidDataTypeCode(TypeCode.UInt64);  
                case TypeCode.Object:  
                    sql_md = SqlMetaDataFromObjectColumn(name, column, clrType);  
                    if (sql_md == null)  
                    {  
                        // Unknown type, try to treat it as string;  
                        sql_md = new SqlMetaData(name, SqlDbType.NVarChar, column.MaxLength);  
                        coerceToString = true;  
                    }  
                    break;  
  
                default: throw UnknownDataType(clrType);  
            }  
  
            return sql_md;  
        }  
  
        private static SqlMetaData SqlMetaDataFromObjectColumn(string name, DataColumn column, Type clrType)  
        {  
            SqlMetaData sql_md = null;  
            if (clrType == typeof(System.Byte[]) || clrType == typeof(SqlBinary) || clrType == typeof(SqlBytes) ||  
        clrType == typeof(System.Char[]) || clrType == typeof(SqlString) || clrType == typeof(SqlChars))  
                sql_md = new SqlMetaData(name, SqlDbType.VarBinary, column.MaxLength);  
            else if (clrType == typeof(System.Guid))  
                sql_md = new SqlMetaData(name, SqlDbType.UniqueIdentifier);  
            else if (clrType == typeof(System.Object))  
                sql_md = new SqlMetaData(name, SqlDbType.Variant);  
            else if (clrType == typeof(SqlBoolean))  
                sql_md = new SqlMetaData(name, SqlDbType.Bit);  
            else if (clrType == typeof(SqlByte))  
                sql_md = new SqlMetaData(name, SqlDbType.TinyInt);  
            else if (clrType == typeof(SqlDateTime))  
                sql_md = new SqlMetaData(name, SqlDbType.DateTime);  
            else if (clrType == typeof(SqlDouble))  
                sql_md = new SqlMetaData(name, SqlDbType.Float);  
            else if (clrType == typeof(SqlGuid))  
                sql_md = new SqlMetaData(name, SqlDbType.UniqueIdentifier);  
            else if (clrType == typeof(SqlInt16))  
                sql_md = new SqlMetaData(name, SqlDbType.SmallInt);  
            else if (clrType == typeof(SqlInt32))  
                sql_md = new SqlMetaData(name, SqlDbType.Int);  
            else if (clrType == typeof(SqlInt64))  
                sql_md = new SqlMetaData(name, SqlDbType.BigInt);  
            else if (clrType == typeof(SqlMoney))  
                sql_md = new SqlMetaData(name, SqlDbType.Money);  
            else if (clrType == typeof(SqlDecimal))  
                sql_md = new SqlMetaData(name, SqlDbType.Decimal, SqlDecimal.MaxPrecision, 0);  
            else if (clrType == typeof(SqlSingle))  
                sql_md = new SqlMetaData(name, SqlDbType.Real);  
            else if (clrType == typeof(SqlXml))  
                sql_md = new SqlMetaData(name, SqlDbType.Xml);  
            else  
                sql_md = null;  
  
            return sql_md;  
        }  
  
    }  
 public static class TestSendDataSet  
    {  
        private const string TestConnectionString = "context connection=true";  
        const int prod1ID = 750; //Product ID of Road-150 Red, 44 bicycle  
        const int prod2ID = 751; //Product ID of Road-150 Red, 48 bicycle  
  
        /// <summary>  
        /// Invoke a stored procedure to get some bill of material information and   
        /// fill a data set with the two result sets.  Return the data set to the client.  
        /// </summary>  
        public static void DoTest()  
        {  
            using (SqlConnection conn = new SqlConnection(TestConnectionString))  
            {  
                SqlCommand cmd = conn.CreateCommand();  
                cmd.CommandText = "usp_GetTwoBOMTestData";  
                cmd.CommandType = CommandType.StoredProcedure;  
  
                SqlParameter prod1Param = new SqlParameter("@ProductID1", SqlDbType.Int);  
                prod1Param.Value = prod1ID;  
                cmd.Parameters.Add(prod1Param);  
  
                SqlParameter prod2Param = new SqlParameter("@ProductID2", SqlDbType.Int);  
                prod2Param.Value = prod2ID;  
                cmd.Parameters.Add(prod2Param);  
  
                SqlParameter asOfDateParam = new SqlParameter("@AsOfDate", SqlDbType.DateTime);  
                asOfDateParam.Value = DateTime.Now;  
                cmd.Parameters.Add(asOfDateParam);  
  
                DataSet ds = new DataSet("TestData");  
                SqlDataAdapter sda = new SqlDataAdapter(cmd);  
                conn.Open();  
                sda.Fill(ds);  
  
// Normally, after filling the data set, rather than immediately returning it,   
// the data would be modified before invoking SendDataSet to deliver   
// the data within the data set as a result set to the client.  For simplicity   
// this sample simply returns the data.  
  
                DataSetUtilities.SendDataSet(ds);  
  
            }  
        }  
  
    }  

Visual Basic

Imports Microsoft.VisualBasic  
Imports System  
Imports System.Collections  
Imports System.Data  
Imports System.Diagnostics  
Imports System.Collections.Generic  
Imports System.Text  
Imports System.Data.SqlClient  
Imports System.Data.SqlTypes  
Imports Microsoft.SqlServer.Server  
Imports System.Runtime.InteropServices  
  
Public Class DataSetUtilities  
  
    Public Shared Sub SendDataSet(ByVal ds As DataSet)  
        If ds Is Nothing Then  
            Throw New ArgumentException("SendDataSet requires a non-null data set.")  
        Else  
            For Each dt As DataTable In ds.Tables  
                SendDataTable(dt)  
            Next  
        End If  
    End Sub  
  
    Public Shared Sub SendDataTable(ByVal dt As DataTable)  
        Dim coerceToString() As Boolean = Nothing ' Do we need to coerce this column to string?  
        Dim metaData As SqlMetaData() = ExtractDataTableColumnMetaData(dt, coerceToString)  
  
        Dim record As New SqlDataRecord(metaData)  
        Dim pipe As SqlPipe = SqlContext.Pipe  
        pipe.SendResultsStart(record)  
  
        Try  
            For Each row As DataRow In dt.Rows  
                For index As Integer = 0 To record.FieldCount - 1  
                    Dim value As Object = row(index)  
                    If Nothing Is value AndAlso coerceToString(index) Then  
                        value = value.ToString()  
                    End If  
  
                    record.SetValue(index, value)  
                Next  
  
                pipe.SendResultsRow(record)  
            Next  
        Finally  
            pipe.SendResultsEnd()  
        End Try  
    End Sub  
  
    Private Shared Function ExtractDataTableColumnMetaData(ByVal dt As DataTable, <Out()> ByRef coerceToString() As Boolean) As SqlMetaData()  
        Dim metaDataResult(dt.Columns.Count - 1) As SqlMetaData  
        coerceToString = New Boolean(dt.Columns.Count - 1) {}  
        For index As Integer = 0 To dt.Columns.Count - 1  
            Dim column As DataColumn = dt.Columns(index)  
            metaDataResult(index) = SqlMetaDataFromColumn(column, coerceToString(index))  
        Next  
  
        Return metaDataResult  
    End Function  
    Private Shared Function InvalidDataTypeCode(ByVal code As TypeCode) As Exception  
        Return New ArgumentException("Invalid type: " & code.ToString())  
    End Function  
  
    Private Shared Function UnknownDataType(ByVal clrType As Type) As Exception  
        Return New ArgumentException("Unknown type: " & clrType.ToString())  
    End Function  
  
    Private Shared Function SqlMetaDataFromColumn(ByVal column As DataColumn, ByRef coerceToString As Boolean) As SqlMetaData  
        coerceToString = False  
        Dim sql_md As SqlMetaData = Nothing  
        Dim clrType As Type = column.DataType  
        Dim name As String = column.ColumnName  
        Select Case Type.GetTypeCode(clrType)  
            Case TypeCode.Boolean  
                sql_md = New SqlMetaData(name, SqlDbType.Bit)  
            Case TypeCode.Byte  
                sql_md = New SqlMetaData(name, SqlDbType.TinyInt)  
            Case TypeCode.Char  
                sql_md = New SqlMetaData(name, SqlDbType.NVarChar, 1)  
            Case TypeCode.DateTime  
                sql_md = New SqlMetaData(name, SqlDbType.DateTime)  
            Case TypeCode.DBNull  
                Throw InvalidDataTypeCode(TypeCode.DBNull)  
            Case TypeCode.Decimal  
                sql_md = New SqlMetaData(name, SqlDbType.Decimal)  
            Case TypeCode.Double  
                sql_md = New SqlMetaData(name, SqlDbType.Float)  
            Case TypeCode.Empty  
                Throw InvalidDataTypeCode(TypeCode.Empty)  
            Case TypeCode.Int16  
                sql_md = New SqlMetaData(name, SqlDbType.SmallInt)  
            Case TypeCode.Int32  
                sql_md = New SqlMetaData(name, SqlDbType.Int)  
            Case TypeCode.Int64  
                sql_md = New SqlMetaData(name, SqlDbType.BigInt)  
            Case TypeCode.SByte  
                Throw InvalidDataTypeCode(TypeCode.SByte)  
            Case TypeCode.Single  
                sql_md = New SqlMetaData(name, SqlDbType.Real)  
            Case TypeCode.String  
                sql_md = New SqlMetaData(name, SqlDbType.NVarChar, column.MaxLength)  
            Case TypeCode.UInt16  
                Throw InvalidDataTypeCode(TypeCode.UInt16)  
            Case TypeCode.UInt32  
                Throw InvalidDataTypeCode(TypeCode.UInt32)  
            Case TypeCode.UInt64  
                Throw InvalidDataTypeCode(TypeCode.UInt64)  
            Case TypeCode.Object  
                sql_md = SqlMetaDataFromObjectColumn(name, column, clrType)  
                If sql_md Is Nothing Then  
                    ' Unknown type, try to treat it as string  
                    sql_md = New SqlMetaData(name, SqlDbType.NVarChar, column.MaxLength)  
                    coerceToString = True  
                End If  
            Case Else  
                Throw UnknownDataType(clrType)  
        End Select  
  
        Return sql_md  
    End Function  
  
    Private Shared Function SqlMetaDataFromObjectColumn(ByVal name As String, ByVal column As DataColumn, ByVal clrType As Type) As SqlMetaData  
        Dim sql_md As SqlMetaData = Nothing  
  
        If (clrType Is GetType(System.Byte()) OrElse clrType Is GetType(SqlBinary) OrElse clrType Is GetType(SqlBytes) _  
            OrElse clrType Is GetType(System.Char()) OrElse clrType Is GetType(SqlString) OrElse clrType Is GetType(SqlChars)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.VarBinary, column.MaxLength)  
        ElseIf (clrType Is GetType(System.Guid)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.UniqueIdentifier)  
        ElseIf (clrType Is GetType(System.Object)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Variant)  
        ElseIf (clrType Is GetType(SqlBoolean)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Bit)  
        ElseIf (clrType Is GetType(SqlByte)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.TinyInt)  
        ElseIf (clrType Is GetType(SqlDateTime)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.DateTime)  
        ElseIf (clrType Is GetType(SqlDouble)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Float)  
        ElseIf (clrType Is GetType(SqlGuid)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.UniqueIdentifier)  
        ElseIf (clrType Is GetType(SqlInt16)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.SmallInt)  
        ElseIf (clrType Is GetType(SqlInt32)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Int)  
        ElseIf (clrType Is GetType(SqlInt64)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.BigInt)  
        ElseIf (clrType Is GetType(SqlMoney)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Money)  
        ElseIf (clrType Is GetType(SqlDecimal)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Decimal, SqlDecimal.MaxPrecision, 0)  
        ElseIf (clrType Is GetType(SqlSingle)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Real)  
        ElseIf (clrType Is GetType(SqlXml)) Then  
            sql_md = New SqlMetaData(name, SqlDbType.Xml)  
        Else  
            sql_md = Nothing  
        End If  
  
        Return sql_md  
    End Function  
End Class  
  
Public Class TestSendDataSet  
    Private Const TestConnectionString As String = "context connection=true"  
    Private Const prod1ID As Integer = 750  'Product ID of Road-150 Red, 44 bicycle  
    Private Const prod2ID As Integer = 751  'Product ID of Road-150 Red, 48 bicycle  
  
    ''' <summary>  
    ''' Invoke a stored procedure to get some bill of material information and   
    ''' fill a data set with the two result sets.  Return the data set to the client.  
  
    <SqlProcedure(Name:="usp_TestSendDataSet")> _  
    Public Shared Sub DoTest()  
        Dim conn As New SqlConnection(TestConnectionString)  
        Try  
            Dim cmd As SqlCommand = conn.CreateCommand()  
            cmd.CommandText = "usp_GetTwoBOMTestData"  
            cmd.CommandType = CommandType.StoredProcedure  
  
            Dim prod1Param As New SqlParameter("@ProductID1", SqlDbType.Int)  
            prod1Param.Value = prod1ID  
            cmd.Parameters.Add(prod1Param)  
  
            Dim prod2Param As New SqlParameter("@ProductID2", SqlDbType.Int)  
            prod2Param.Value = prod2ID  
            cmd.Parameters.Add(prod2Param)  
  
            Dim asOfDateParam As New SqlParameter("@AsOfDate", SqlDbType.DateTime)  
            asOfDateParam.Value = DateTime.Now  
            cmd.Parameters.Add(asOfDateParam)  
  
            Dim ds As New DataSet("TestData")  
            Dim sda As New SqlDataAdapter(cmd)  
            conn.Open()  
            sda.Fill(ds)  
  
            ' Normally, after filling the data set, rather than immediately returning it,   
            ' the data would be modified before invoking SendDataSet to deliver   
            ' the data within the data set as a result set to the client.  For simplicity   
            ' this sample simply returns the data.  
            DataSetUtilities.SendDataSet(ds)  
        Finally  
            conn.Dispose()  
        End Try  
    End Sub  
End Class  
  

這是 Transact-SQL 安裝腳本 (Install.sql) ,它會部署元件並建立預存程式。

USE AdventureWorks;  
GO  
  
IF EXISTS (SELECT * FROM sys.procedures WHERE name = N'usp_GetTwoBOMTestData')  
DROP PROCEDURE usp_GetTwoBOMTestData;  
GO  
  
IF EXISTS (SELECT * FROM sys.procedures WHERE name = N'usp_TestSendDataSet')  
DROP PROCEDURE usp_TestSendDataSet;  
GO  
  
IF EXISTS (SELECT * FROM sys.assemblies WHERE name = N'SendDataSet')   
DROP ASSEMBLY SendDataSet;  
GO  
  
-- Procedure used to generate test data to fill the data set being returned to the client  
CREATE PROCEDURE usp_GetTwoBOMTestData  
(  
@ProductID1 int,  
@ProductID2 int,  
@AsOfDate DateTime  
)  
AS  
BEGIN  
EXEC uspGetBillOfMaterials @ProductID1, @AsOfDate;  
EXEC uspGetBillOfMaterials @ProductID2, @AsOfDate;  
END;  
GO  
  
DECLARE @SamplesPath nvarchar(1024)  
-- You may need to modify the value of the this variable if you have installed the sample someplace other than the default location.  
Set @SamplesPath = N'C:\MySample\'  
  
CREATE ASSEMBLY SendDataSet from @SamplesPath +'SendDataSet.dll'  
WITH PERMISSION_SET = Safe;  
GO  
  
CREATE PROCEDURE usp_TestSendDataSet  
AS  
EXTERNAL NAME [SendDataSet].[TestSendDataSet].[DoTest];  
GO  

這是 transact-SQL 測試腳本 (test.sql) ,其會測試範例。

USE AdventureWorks  
GO  
  
EXEC usp_TestSendDataSet  
GO  

下列 Transact-SQL 會從資料庫移除元件和預存程式。

USE AdventureWorks  
GO  
  
IF EXISTS (SELECT * FROM sys.procedures WHERE name = N'usp_GetTwoBOMTestData')  
DROP PROCEDURE usp_GetTwoBOMTestData;  
GO  
  
IF EXISTS (SELECT * FROM sys.procedures WHERE name = N'usp_TestSendDataSet')  
DROP PROCEDURE usp_TestSendDataSet;  
GO  
  
IF EXISTS (SELECT * FROM sys.assemblies WHERE name = N'SendDataSet')   
DROP ASSEMBLY SendDataSet;  
GO  
  

另請參閱

Common Language Runtime (CLR) 整合的使用案例和範例