81 lines
3.3 KiB
C#
81 lines
3.3 KiB
C#
/************************************************************************************
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*
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* Umbraco Data Layer
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* MIT Licensed work
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* ©2008 Ruben Verborgh
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*
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***********************************************************************************/
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using System;
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using System.Data;
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using System.Data.SqlClient;
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using System.Xml;
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using SH = Microsoft.ApplicationBlocks.Data.SqlHelper;
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namespace umbraco.DataLayer.SqlHelpers.SqlServer
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{
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/// <summary>
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/// Sql Helper for an SQL Server database.
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/// </summary>
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public class SqlServerHelper : SqlHelper<SqlParameter>
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="SqlServerHelper"/> class.
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/// </summary>
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/// <param name="connectionString">The connection string.</param>
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public SqlServerHelper(string connectionString) : base(connectionString)
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{
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m_Utility = new SqlServerUtility(this);
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}
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/// <summary>
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/// Creates a new parameter for use with this specific implementation of ISqlHelper.
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/// </summary>
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/// <param name="parameterName">Name of the parameter.</param>
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/// <param name="value">Value of the parameter.</param>
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/// <returns>A new parameter of the correct type.</returns>
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/// <remarks>Abstract factory pattern</remarks>
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public override IParameter CreateParameter(string parameterName, object value)
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{
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return new SqlServerParameter(parameterName, value);
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}
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/// <summary>
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/// Executes a command that returns a single value.
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/// </summary>
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/// <param name="commandText">The command text.</param>
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/// <param name="parameters">The parameters.</param>
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/// <returns>The return value of the command.</returns>
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protected override object ExecuteScalar(string commandText, SqlParameter[] parameters)
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{
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return SH.ExecuteScalar(ConnectionString, CommandType.Text, commandText, parameters);
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}
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/// <summary>
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/// Executes a command and returns the number of rows affected.
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/// </summary>
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/// <param name="commandText">The command text.</param>
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/// <param name="parameters">The parameters.</param>
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/// <returns>
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/// The number of rows affected by the command.
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/// </returns>
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protected override int ExecuteNonQuery(string commandText, SqlParameter[] parameters)
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{
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return SH.ExecuteNonQuery(ConnectionString, CommandType.Text, commandText, parameters);
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}
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/// <summary>
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/// Executes a command and returns a records reader containing the results.
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/// </summary>
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/// <param name="commandText">The command text.</param>
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/// <param name="parameters">The parameters.</param>
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/// <returns>
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/// A data reader containing the results of the command.
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/// </returns>
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protected override IRecordsReader ExecuteReader(string commandText, SqlParameter[] parameters)
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{
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return new SqlServerDataReader(SH.ExecuteReader(ConnectionString, CommandType.Text,
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commandText, parameters));
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}
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}
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} |