/// <summary>
/// Creates the specified instance.
/// </summary>
/// <param name="instance">The instance.</param>
/// <returns></returns>
public int Create(Category instance)
{
string sqlStatement = "INSERT [dbo].[Categories]([CategoryName],[Description])";
sqlStatement += "VALUES(@CategoryName,@Description);";
using (SqlConnection conn = new SqlConnection(this.ConnectionString))
using (SqlCommand command = new SqlCommand(sqlStatement, conn))
{
command.Parameters.Add(new SqlParameter("CategoryName", instance.CategoryName));
command.Parameters.Add(new SqlParameter("Description", instance.Description));
command.CommandType = CommandType.Text;
command.CommandTimeout = 180;
if (conn.State != ConnectionState.Open) conn.Open();
try
{
int result = command.ExecuteNonQuery();
return result;
}
catch (Exception)
{
throw;
}
}
}
/// <summary>
/// Gets the one.
/// </summary>
/// <param name="id">The id.</param>
/// <returns></returns>
public Category GetOne(int id)
{
string sqlStatement = "select * from Categories where CategoryID = @CategoryID";
var item = new Category();
using (var conn = this.CreateGlimpseDbConnection())
using (var command = new GlimpseDbCommand(new SqlCommand()))
{
command.Connection = conn;
command.CommandType = CommandType.Text;
command.CommandTimeout = 180;
command.CommandText = sqlStatement;
command.Parameters.Add(new SqlParameter("CategoryID", id));
if (conn.State != ConnectionState.Open) conn.Open();
using (IDataReader reader = command.ExecuteReader())
{
if (reader.Read())
{
item.CategoryID = int.Parse(reader["CategoryID"].ToString());
item.CategoryName = reader["CategoryName"].ToString();
item.Description = reader["Description"].ToString();
}
}
}
return item;
}
/// <summary>
/// Updates the specified instance.
/// </summary>
/// <param name="instance">The instance.</param>
public int Update(Category instance)
{
string sqlStatement = "UPDATE [dbo].[Categories] ";
sqlStatement += "SET ";
sqlStatement += "[CategoryName] = @CategoryName, ";
sqlStatement += "[Description] = @Description ";
sqlStatement += "WHERE [dbo].[Categories].[CategoryID] = @CategoryID;";
using (SqlConnection conn = new SqlConnection(this.ConnectionString))
using (SqlCommand command = new SqlCommand(sqlStatement, conn))
{
command.Parameters.Add(new SqlParameter("CategoryName", instance.CategoryName));
command.Parameters.Add(new SqlParameter("Description", instance.Description));
command.Parameters.Add(new SqlParameter("CategoryID", instance.CategoryID));
command.CommandType = CommandType.Text;
command.CommandTimeout = 180;
if (conn.State != ConnectionState.Open) conn.Open();
try
{
int result = command.ExecuteNonQuery();
return result;
}
catch (Exception)
{
throw;
}
}
}
/// <summary>
/// Gets the categories.
/// </summary>
/// <returns></returns>
public List<Category> GetCategories()
{
var categories = new List<Category>();
string sqlStatement = "select * from Categories order by CategoryID desc";
using (var conn = this.CreateGlimpseDbConnection())
using (var command = new GlimpseDbCommand(new SqlCommand()))
{
command.Connection = conn;
command.CommandType = CommandType.Text;
command.CommandTimeout = 180;
command.CommandText = sqlStatement;
if (conn.State != ConnectionState.Open) conn.Open();
using (IDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
var item = new Category
{
CategoryID = int.Parse(reader["CategoryID"].ToString()),
CategoryName = reader["CategoryName"].ToString(),
Description = reader["Description"].ToString()
};
categories.Add(item);
}
}
}
return categories;
}
