// <fileinfo name="CustomerCustomerDemoCollection_Base.cs">
// <copyright>
// All rights reserved.
// </copyright>
// <remarks>
// Do not change this source code manually. Changes to this file may
// cause incorrect behavior and will be lost if the code is regenerated.
// </remarks>
// <generator rewritefile="True" infourl="http://www.SharpPower.com">RapTier</generator>
// </fileinfo>
using System;
using System.Data;
namespace MyCompany.MyProject.Db
{
/// <summary>
/// The base class for <see cref="CustomerCustomerDemoCollection"/>. Provides methods
/// for common database table operations.
/// </summary>
/// <remarks>
/// Do not change this source code. Update the <see cref="CustomerCustomerDemoCollection"/>
/// class if you need to add or change some functionality.
/// </remarks>
public abstract class CustomerCustomerDemoCollection_Base
{
// Constants
public const string CustomerIDColumnName = "CustomerID";
public const string CustomerTypeIDColumnName = "CustomerTypeID";
// Instance fields
private Northwind _db;
/// <summary>
/// Initializes a new instance of the <see cref="CustomerCustomerDemoCollection_Base"/>
/// class with the specified <see cref="Northwind"/>.
/// </summary>
/// <param name="db">The <see cref="Northwind"/> object.</param>
public CustomerCustomerDemoCollection_Base(Northwind db)
{
_db = db;
}
/// <summary>
/// Gets the database object that this table belongs to.
/// </summary>
/// <value>The <see cref="Northwind"/> object.</value>
protected Northwind Database
{
get { return _db; }
}
/// <summary>
/// Gets an array of all records from the <c>CustomerCustomerDemo</c> table.
/// </summary>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
public virtual CustomerCustomerDemoRow[] GetAll()
{
return MapRecords(CreateGetAllCommand());
}
/// <summary>
/// Gets a <see cref="System.Data.DataTable"/> object that
/// includes all records from the <c>CustomerCustomerDemo</c> table.
/// </summary>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
public virtual DataTable GetAllAsDataTable()
{
return MapRecordsToDataTable(CreateGetAllCommand());
}
/// <summary>
/// Creates and returns an <see cref="System.Data.IDbCommand"/> object that is used
/// to retrieve all records from the <c>CustomerCustomerDemo</c> table.
/// </summary>
/// <returns>A reference to the <see cref="System.Data.IDbCommand"/> object.</returns>
protected virtual IDbCommand CreateGetAllCommand()
{
return _db.CreateCommand("dbo._CustomerCustomerDemo_GetAll", true);
}
/// <summary>
/// Gets the first <see cref="CustomerCustomerDemoRow"/> objects that
/// match the search condition.
/// </summary>
/// <param name="whereSql">The SQL search condition. For example:
/// <c>"FirstName='Smith' AND Zip=75038"</c>.</param>
/// <returns>An instance of <see cref="CustomerCustomerDemoRow"/> or null reference
/// (Nothing in Visual Basic) if the object was not found.</returns>
public CustomerCustomerDemoRow GetRow(string whereSql)
{
int totalRecordCount = -1;
CustomerCustomerDemoRow[] rows = GetAsArray(whereSql, null, 0, 1, ref totalRecordCount);
return 0 == rows.Length ? null : rows[0];
}
/// <summary>
/// Gets an array of <see cref="CustomerCustomerDemoRow"/> objects that
/// match the search condition, in the the specified sort order.
/// </summary>
/// <param name="whereSql">The SQL search condition. For example:
/// <c>"FirstName='Smith' AND Zip=75038"</c>.</param>
/// <param name="orderBySql">The column name(s) followed by "ASC" (ascending) or "DESC" (descending).
/// Columns are sorted in ascending order by default. For example: <c>"LastName ASC, FirstName ASC"</c>.</param>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
public CustomerCustomerDemoRow[] GetAsArray(string whereSql, string orderBySql)
{
int totalRecordCount = -1;
return GetAsArray(whereSql, orderBySql, 0, int.MaxValue, ref totalRecordCount);
}
/// <summary>
/// Gets an array of <see cref="CustomerCustomerDemoRow"/> objects that
/// match the search condition, in the the specified sort order.
/// </summary>
/// <param name="whereSql">The SQL search condition. For example:
/// <c>"FirstName='Smith' AND Zip=75038"</c>.</param>
/// <param name="orderBySql">The column name(s) followed by "ASC" (ascending) or "DESC" (descending).
/// Columns are sorted in ascending order by default. For example: <c>"LastName ASC, FirstName ASC"</c>.</param>
/// <param name="startIndex">The index of the first record to return.</param>
/// <param name="length">The number of records to return.</param>
/// <param name="totalRecordCount">A reference parameter that returns the total number
/// of records in the reader object if 0 was passed into the method; otherwise it returns -1.</param>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
public virtual CustomerCustomerDemoRow[] GetAsArray(string whereSql, string orderBySql,
int startIndex, int length, ref int totalRecordCount)
{
using(IDataReader reader = _db.ExecuteReader(CreateGetCommand(whereSql, orderBySql)))
{
return MapRecords(reader, startIndex, length, ref totalRecordCount);
}
}
/// <summary>
/// Gets a <see cref="System.Data.DataTable"/> object filled with data that
/// match the search condition, in the the specified sort order.
/// </summary>
/// <param name="whereSql">The SQL search condition. For example: "FirstName='Smith' AND Zip=75038".</param>
/// <param name="orderBySql">The column name(s) followed by "ASC" (ascending) or "DESC" (descending).
/// Columns are sorted in ascending order by default. For example: "LastName ASC, FirstName ASC".</param>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
public DataTable GetAsDataTable(string whereSql, string orderBySql)
{
int totalRecordCount = -1;
return GetAsDataTable(whereSql, orderBySql, 0, int.MaxValue, ref totalRecordCount);
}
/// <summary>
/// Gets a <see cref="System.Data.DataTable"/> object filled with data that
/// match the search condition, in the the specified sort order.
/// </summary>
/// <param name="whereSql">The SQL search condition. For example: "FirstName='Smith' AND Zip=75038".</param>
/// <param name="orderBySql">The column name(s) followed by "ASC" (ascending) or "DESC" (descending).
/// Columns are sorted in ascending order by default. For example: "LastName ASC, FirstName ASC".</param>
/// <param name="startIndex">The index of the first record to return.</param>
/// <param name="length">The number of records to return.</param>
/// <param name="totalRecordCount">A reference parameter that returns the total number
/// of records in the reader object if 0 was passed into the method; otherwise it returns -1.</param>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
public virtual DataTable GetAsDataTable(string whereSql, string orderBySql,
int startIndex, int length, ref int totalRecordCount)
{
using(IDataReader reader = _db.ExecuteReader(CreateGetCommand(whereSql, orderBySql)))
{
return MapRecordsToDataTable(reader, startIndex, length, ref totalRecordCount);
}
}
/// <summary>
/// Creates an <see cref="System.Data.IDbCommand"/> object for the specified search criteria.
/// </summary>
/// <param name="whereSql">The SQL search condition. For example: "FirstName='Smith' AND Zip=75038".</param>
/// <param name="orderBySql">The column name(s) followed by "ASC" (ascending) or "DESC" (descending).
/// Columns are sorted in ascending order by default. For example: "LastName ASC, FirstName ASC".</param>
/// <returns>A reference to the <see cref="System.Data.IDbCommand"/> object.</returns>
protected virtual IDbCommand CreateGetCommand(string whereSql, string orderBySql)
{
string sql = "SELECT * FROM [dbo].[CustomerCustomerDemo]";
if(null != whereSql && 0 < whereSql.Length)
sql += " WHERE " + whereSql;
if(null != orderBySql && 0 < orderBySql.Length)
sql += " ORDER BY " + orderBySql;
return _db.CreateCommand(sql);
}
/// <summary>
/// Gets <see cref="CustomerCustomerDemoRow"/> by the primary key.
/// </summary>
/// <param name="customerID">The <c>CustomerID</c> column value.</param>
/// <param name="customerTypeID">The <c>CustomerTypeID</c> column value.</param>
/// <returns>An instance of <see cref="CustomerCustomerDemoRow"/> or null reference
/// (Nothing in Visual Basic) if the object was not found.</returns>
public virtual CustomerCustomerDemoRow GetByPrimaryKey(string customerID, string customerTypeID)
{
IDbCommand cmd = _db.CreateCommand("dbo._CustomerCustomerDemo_GetByPrimaryKey", true);
AddParameter(cmd, "CustomerID", customerID);
AddParameter(cmd, "CustomerTypeID", customerTypeID);
CustomerCustomerDemoRow[] tempArray = MapRecords(cmd);
return 0 == tempArray.Length ? null : tempArray[0];
}
/// <summary>
/// Gets an array of <see cref="CustomerCustomerDemoRow"/> objects
/// by the <c>FK_CustomerCustomerDemo</c> foreign key.
/// </summary>
/// <param name="customerTypeID">The <c>CustomerTypeID</c> column value.</param>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
public virtual CustomerCustomerDemoRow[] GetByCustomerTypeID(string customerTypeID)
{
return MapRecords(CreateGetByCustomerTypeIDCommand(customerTypeID));
}
/// <summary>
/// Gets a <see cref="System.Data.DataTable"/> object
/// by the <c>FK_CustomerCustomerDemo</c> foreign key.
/// </summary>
/// <param name="customerTypeID">The <c>CustomerTypeID</c> column value.</param>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
public virtual DataTable GetByCustomerTypeIDAsDataTable(string customerTypeID)
{
return MapRecordsToDataTable(CreateGetByCustomerTypeIDCommand(customerTypeID));
}
/// <summary>
/// Creates an <see cref="System.Data.IDbCommand"/> object that can be used to
/// return records by the <c>FK_CustomerCustomerDemo</c> foreign key.
/// </summary>
/// <param name="customerTypeID">The <c>CustomerTypeID</c> column value.</param>
/// <returns>A reference to the <see cref="System.Data.IDbCommand"/> object.</returns>
protected virtual IDbCommand CreateGetByCustomerTypeIDCommand(string customerTypeID)
{
IDbCommand cmd = _db.CreateCommand("dbo._CustomerCustomerDemo_GetBy_CustomerTypeID", true);
AddParameter(cmd, "CustomerTypeID", customerTypeID);
return cmd;
}
/// <summary>
/// Gets an array of <see cref="CustomerCustomerDemoRow"/> objects
/// by the <c>FK_CustomerCustomerDemo_Customers</c> foreign key.
/// </summary>
/// <param name="customerID">The <c>CustomerID</c> column value.</param>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
public virtual CustomerCustomerDemoRow[] GetByCustomerID(string customerID)
{
return MapRecords(CreateGetByCustomerIDCommand(customerID));
}
/// <summary>
/// Gets a <see cref="System.Data.DataTable"/> object
/// by the <c>FK_CustomerCustomerDemo_Customers</c> foreign key.
/// </summary>
/// <param name="customerID">The <c>CustomerID</c> column value.</param>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
public virtual DataTable GetByCustomerIDAsDataTable(string customerID)
{
return MapRecordsToDataTable(CreateGetByCustomerIDCommand(customerID));
}
/// <summary>
/// Creates an <see cref="System.Data.IDbCommand"/> object that can be used to
/// return records by the <c>FK_CustomerCustomerDemo_Customers</c> foreign key.
/// </summary>
/// <param name="customerID">The <c>CustomerID</c> column value.</param>
/// <returns>A reference to the <see cref="System.Data.IDbCommand"/> object.</returns>
protected virtual IDbCommand CreateGetByCustomerIDCommand(string customerID)
{
IDbCommand cmd = _db.CreateCommand("dbo._CustomerCustomerDemo_GetBy_CustomerID", true);
AddParameter(cmd, "CustomerID", customerID);
return cmd;
}
/// <summary>
/// Adds a new record into the <c>CustomerCustomerDemo</c> table.
/// </summary>
/// <param name="value">The <see cref="CustomerCustomerDemoRow"/> object to be inserted.</param>
public virtual void Insert(CustomerCustomerDemoRow value)
{
IDbCommand cmd = _db.CreateCommand("dbo._CustomerCustomerDemo_Insert", true);
AddParameter(cmd, "CustomerID", value.CustomerID);
AddParameter(cmd, "CustomerTypeID", value.CustomerTypeID);
cmd.ExecuteNonQuery();
}
/// <summary>
/// Deletes the specified object from the <c>CustomerCustomerDemo</c> table.
/// </summary>
/// <param name="value">The <see cref="CustomerCustomerDemoRow"/> object to delete.</param>
/// <returns>true if the record was deleted; otherwise, false.</returns>
public bool Delete(CustomerCustomerDemoRow value)
{
return DeleteByPrimaryKey(value.CustomerID, value.CustomerTypeID);
}
/// <summary>
/// Deletes a record from the <c>CustomerCustomerDemo</c> table using
/// the specified primary key.
/// </summary>
/// <param name="customerID">The <c>CustomerID</c> column value.</param>
/// <param name="customerTypeID">The <c>CustomerTypeID</c> column value.</param>
/// <returns>true if the record was deleted; otherwise, false.</returns>
public virtual bool DeleteByPrimaryKey(string customerID, string customerTypeID)
{
IDbCommand cmd = _db.CreateCommand("dbo._CustomerCustomerDemo_DeleteByPrimaryKey", true);
AddParameter(cmd, "CustomerID", customerID);
AddParameter(cmd, "CustomerTypeID", customerTypeID);
return 0 < cmd.ExecuteNonQuery();
}
/// <summary>
/// Deletes records from the <c>CustomerCustomerDemo</c> table using the
/// <c>FK_CustomerCustomerDemo</c> foreign key.
/// </summary>
/// <param name="customerTypeID">The <c>CustomerTypeID</c> column value.</param>
/// <returns>The number of records deleted from the table.</returns>
public int DeleteByCustomerTypeID(string customerTypeID)
{
return CreateDeleteByCustomerTypeIDCommand(customerTypeID).ExecuteNonQuery();
}
/// <summary>
/// Creates an <see cref="System.Data.IDbCommand"/> object that can be used to
/// delete records using the <c>FK_CustomerCustomerDemo</c> foreign key.
/// </summary>
/// <param name="customerTypeID">The <c>CustomerTypeID</c> column value.</param>
/// <returns>A reference to the <see cref="System.Data.IDbCommand"/> object.</returns>
protected virtual IDbCommand CreateDeleteByCustomerTypeIDCommand(string customerTypeID)
{
IDbCommand cmd = _db.CreateCommand("dbo._CustomerCustomerDemo_DeleteBy_CustomerTypeID", true);
AddParameter(cmd, "CustomerTypeID", customerTypeID);
return cmd;
}
/// <summary>
/// Deletes records from the <c>CustomerCustomerDemo</c> table using the
/// <c>FK_CustomerCustomerDemo_Customers</c> foreign key.
/// </summary>
/// <param name="customerID">The <c>CustomerID</c> column value.</param>
/// <returns>The number of records deleted from the table.</returns>
public int DeleteByCustomerID(string customerID)
{
return CreateDeleteByCustomerIDCommand(customerID).ExecuteNonQuery();
}
/// <summary>
/// Creates an <see cref="System.Data.IDbCommand"/> object that can be used to
/// delete records using the <c>FK_CustomerCustomerDemo_Customers</c> foreign key.
/// </summary>
/// <param name="customerID">The <c>CustomerID</c> column value.</param>
/// <returns>A reference to the <see cref="System.Data.IDbCommand"/> object.</returns>
protected virtual IDbCommand CreateDeleteByCustomerIDCommand(string customerID)
{
IDbCommand cmd = _db.CreateCommand("dbo._CustomerCustomerDemo_DeleteBy_CustomerID", true);
AddParameter(cmd, "CustomerID", customerID);
return cmd;
}
/// <summary>
/// Deletes <c>CustomerCustomerDemo</c> records that match the specified criteria.
/// </summary>
/// <param name="whereSql">The SQL search condition.
/// For example: <c>"FirstName='Smith' AND Zip=75038"</c>.</param>
/// <returns>The number of deleted records.</returns>
public int Delete(string whereSql)
{
return CreateDeleteCommand(whereSql).ExecuteNonQuery();
}
/// <summary>
/// Creates an <see cref="System.Data.IDbCommand"/> object that can be used
/// to delete <c>CustomerCustomerDemo</c> records that match the specified criteria.
/// </summary>
/// <param name="whereSql">The SQL search condition.
/// For example: <c>"FirstName='Smith' AND Zip=75038"</c>.</param>
/// <returns>A reference to the <see cref="System.Data.IDbCommand"/> object.</returns>
protected virtual IDbCommand CreateDeleteCommand(string whereSql)
{
string sql = "DELETE FROM [dbo].[CustomerCustomerDemo]";
if(null != whereSql && 0 < whereSql.Length)
sql += " WHERE " + whereSql;
return _db.CreateCommand(sql);
}
/// <summary>
/// Deletes all records from the <c>CustomerCustomerDemo</c> table.
/// </summary>
/// <returns>The number of deleted records.</returns>
public int DeleteAll()
{
return _db.CreateCommand("dbo._CustomerCustomerDemo_DeleteAll", true).ExecuteNonQuery();
}
/// <summary>
/// Reads data using the specified command and returns
/// an array of mapped objects.
/// </summary>
/// <param name="command">The <see cref="System.Data.IDbCommand"/> object.</param>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
protected CustomerCustomerDemoRow[] MapRecords(IDbCommand command)
{
using(IDataReader reader = _db.ExecuteReader(command))
{
return MapRecords(reader);
}
}
/// <summary>
/// Reads data from the provided data reader and returns
/// an array of mapped objects.
/// </summary>
/// <param name="reader">The <see cref="System.Data.IDataReader"/> object to read data from the table.</param>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
protected CustomerCustomerDemoRow[] MapRecords(IDataReader reader)
{
int totalRecordCount = -1;
return MapRecords(reader, 0, int.MaxValue, ref totalRecordCount);
}
/// <summary>
/// Reads data from the provided data reader and returns
/// an array of mapped objects.
/// </summary>
/// <param name="reader">The <see cref="System.Data.IDataReader"/> object to read data from the table.</param>
/// <param name="startIndex">The index of the first record to map.</param>
/// <param name="length">The number of records to map.</param>
/// <param name="totalRecordCount">A reference parameter that returns the total number
/// of records in the reader object if 0 was passed into the method; otherwise it returns -1.</param>
/// <returns>An array of <see cref="CustomerCustomerDemoRow"/> objects.</returns>
protected virtual CustomerCustomerDemoRow[] MapRecords(IDataReader reader,
int startIndex, int length, ref int totalRecordCount)
{
if(0 > startIndex)
throw new ArgumentOutOfRangeException("startIndex", startIndex, "StartIndex cannot be less than zero.");
if(0 > length)
throw new ArgumentOutOfRangeException("length", length, "Length cannot be less than zero.");
int customerIDColumnIndex = reader.GetOrdinal("CustomerID");
int customerTypeIDColumnIndex = reader.GetOrdinal("CustomerTypeID");
System.Collections.ArrayList recordList = new System.Collections.ArrayList();
int ri = -startIndex;
while(reader.Read())
{
ri++;
if(ri > 0 && ri <= length)
{
CustomerCustomerDemoRow record = new CustomerCustomerDemoRow();
recordList.Add(record);
record.CustomerID = Convert.ToString(reader.GetValue(customerIDColumnIndex));
record.CustomerTypeID = Convert.ToString(reader.GetValue(customerTypeIDColumnIndex));
if(ri == length && 0 != totalRecordCount)
break;
}
}
totalRecordCount = 0 == totalRecordCount ? ri + startIndex : -1;
return (CustomerCustomerDemoRow[])(recordList.ToArray(typeof(CustomerCustomerDemoRow)));
}
/// <summary>
/// Reads data using the specified command and returns
/// a filled <see cref="System.Data.DataTable"/> object.
/// </summary>
/// <param name="command">The <see cref="System.Data.IDbCommand"/> object.</param>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
protected DataTable MapRecordsToDataTable(IDbCommand command)
{
using(IDataReader reader = _db.ExecuteReader(command))
{
return MapRecordsToDataTable(reader);
}
}
/// <summary>
/// Reads data from the provided data reader and returns
/// a filled <see cref="System.Data.DataTable"/> object.
/// </summary>
/// <param name="reader">The <see cref="System.Data.IDataReader"/> object to read data from the table.</param>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
protected DataTable MapRecordsToDataTable(IDataReader reader)
{
int totalRecordCount = 0;
return MapRecordsToDataTable(reader, 0, int.MaxValue, ref totalRecordCount);
}
/// <summary>
/// Reads data from the provided data reader and returns
/// a filled <see cref="System.Data.DataTable"/> object.
/// </summary>
/// <param name="reader">The <see cref="System.Data.IDataReader"/> object to read data from the table.</param>
/// <param name="startIndex">The index of the first record to read.</param>
/// <param name="length">The number of records to read.</param>
/// <param name="totalRecordCount">A reference parameter that returns the total number
/// of records in the reader object if 0 was passed into the method; otherwise it returns -1.</param>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
protected virtual DataTable MapRecordsToDataTable(IDataReader reader,
int startIndex, int length, ref int totalRecordCount)
{
if(0 > startIndex)
throw new ArgumentOutOfRangeException("startIndex", startIndex, "StartIndex cannot be less than zero.");
if(0 > length)
throw new ArgumentOutOfRangeException("length", length, "Length cannot be less than zero.");
int columnCount = reader.FieldCount;
int ri = -startIndex;
DataTable dataTable = CreateDataTable();
dataTable.BeginLoadData();
object[] values = new object[columnCount];
while(reader.Read())
{
ri++;
if(ri > 0 && ri <= length)
{
reader.GetValues(values);
dataTable.LoadDataRow(values, true);
if(ri == length && 0 != totalRecordCount)
break;
}
}
dataTable.EndLoadData();
totalRecordCount = 0 == totalRecordCount ? ri + startIndex : -1;
return dataTable;
}
/// <summary>
/// Converts <see cref="System.Data.DataRow"/> to <see cref="CustomerCustomerDemoRow"/>.
/// </summary>
/// <param name="row">The <see cref="System.Data.DataRow"/> object to be mapped.</param>
/// <returns>A reference to the <see cref="CustomerCustomerDemoRow"/> object.</returns>
protected virtual CustomerCustomerDemoRow MapRow(DataRow row)
{
CustomerCustomerDemoRow mappedObject = new CustomerCustomerDemoRow();
DataTable dataTable = row.Table;
DataColumn dataColumn;
// Column "CustomerID"
dataColumn = dataTable.Columns["CustomerID"];
if(!row.IsNull(dataColumn))
mappedObject.CustomerID = (string)row[dataColumn];
// Column "CustomerTypeID"
dataColumn = dataTable.Columns["CustomerTypeID"];
if(!row.IsNull(dataColumn))
mappedObject.CustomerTypeID = (string)row[dataColumn];
return mappedObject;
}
/// <summary>
/// Creates a <see cref="System.Data.DataTable"/> object for
/// the <c>CustomerCustomerDemo</c> table.
/// </summary>
/// <returns>A reference to the <see cref="System.Data.DataTable"/> object.</returns>
protected virtual DataTable CreateDataTable()
{
DataTable dataTable = new DataTable();
dataTable.TableName = "CustomerCustomerDemo";
DataColumn dataColumn;
dataColumn = dataTable.Columns.Add("CustomerID", typeof(string));
dataColumn.MaxLength = 5;
dataColumn.AllowDBNull = false;
dataColumn = dataTable.Columns.Add("CustomerTypeID", typeof(string));
dataColumn.MaxLength = 10;
dataColumn.AllowDBNull = false;
return dataTable;
}
/// <summary>
/// Adds a new parameter to the specified command.
/// </summary>
/// <param name="cmd">The <see cref="System.Data.IDbCommand"/> object to add the parameter to.</param>
/// <param name="paramName">The name of the parameter.</param>
/// <param name="value">The value of the parameter.</param>
/// <returns>A reference to the added parameter.</returns>
protected virtual IDbDataParameter AddParameter(IDbCommand cmd, string paramName, object value)
{
IDbDataParameter parameter;
switch(paramName