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ASP.NET Optimistic Concurrency Control

, 19 Aug 2003
How to implement the optimistic concurrency control without the DataSet
Concurrency_Control_src.zip
Concurrency
BLL
Concurrency.csproj.webinfo
Concurrency.vsdisco
Global.asax
Images
spacer.gif
Thumbs.db
SQLHelper
Stored Procedures
_vti_cnf
_vti_pvt
access.cnf
deptodoc.btr
doctodep.btr
service.cnf
service.lck
services.cnf
_vti_script
_vti_txt
using System;
using System.Collections;
using System.Data;
using System.Data.SqlClient;
using Microsoft.ApplicationBlocks.Data;

namespace Concurrency.BLL
{
	/// <summary>
	/// Represents a category
	/// </summary>
	public class Category
	{

		#region Constructors

		/// <summary>
		/// Initializes a new instance of the category class
		/// </summary>
		public Category()
		{
		}

		/// <summary>
		/// Initializes a new instance of the category class
		/// </summary>
		/// <param name="id">Category ID</param>
		/// <param name="name">Category name</param>
		public Category(int id, string name)
		{
			_id = id;
			_name = name;
		}

		#endregion

		#region Methods

		/// <summary>
		/// Gets the categories list
		/// </summary>
		/// <returns>Categories list</returns>
		public IList GetCategories()
		{
			IList categories = new ArrayList();

			// Get the data reader
			using (SqlDataReader dr = SqlHelper.ExecuteReader(Util.ConnectionString, CommandType.StoredProcedure , "CategoriesList"))
			{			
				while (dr.Read())
				{
					// Get data for the category
					Category category = new Category(dr.GetInt32(0), dr.GetString(1));
					if (dr.IsDBNull(2))
						category.Description = string.Empty;
					else
						category.Description = dr.GetString(2);
				
					// Add the category to the collection
					categories.Add(category);
				}
			}
			return categories;
		}

		#endregion

		#region Properties

		private int _id;
		private string _name;
		private string _description;

		public int ID
		{
			get { return _id; }
			set { _id = value; }
		}

		public string Name
		{
			get { return _name; }
			set { _name = value; }
		}

		public string Description
		{
			get { return _description; }
			set { _description = value; }
		}

		#endregion

	}
}

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About the Author

Teo
Web Developer
United States United States
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