// Updating the database
public bool Update(PSU ClassPSU)
{
var isSuccess = false;
var connection = new SqlConnection(connectionString);
try
{
// Query to update the data
var query = "UPDATE PSU SET Manufacturer=@Manufacturer, Name=@Name, " +
"Wattage=@Wattage, Price=@Price WHERE CoolerId=@CoolerId";
var cmd = new SqlCommand(query, connection);
cmd.Parameters.AddWithValue("@PSUId", ClassPSU.Id);
cmd.Parameters.AddWithValue("@Manufacturer", ClassPSU.Manufacturer);
cmd.Parameters.AddWithValue("@Name", ClassPSU.Name);
cmd.Parameters.AddWithValue("@Wattage", ClassPSU.Wattage);
cmd.Parameters.AddWithValue("@Price", ClassPSU.Price);
connection.Open();
int rows = cmd.ExecuteNonQuery();
isSuccess = rows > 0 ? true : false;
}
finally
{
connection.Close();
}
return(isSuccess);
}
public bool Delete(PSU ClassPSU)
{
var isSuccess = false;
var connection = new SqlConnection(connectionString);
try
{
// Query to delete the data
var query = "DELETE FROM PSU WHERE PSUId=@PSUId";
var cmd = new SqlCommand(query, connection);
cmd.Parameters.AddWithValue("@PSUId", ClassPSU.Id);
connection.Open();
int rows = cmd.ExecuteNonQuery();
isSuccess = rows > 0 ? true : false;
}
finally
{
connection.Close();
}
return(isSuccess);
}
// Adding to database
public bool Insert(PSU ClassPSU)
{
var isSuccess = false;
var connection = new SqlConnection(connectionString);
try
{
// SQL Query to Insert the data
var query = "INSERT INTO PSU (PSUId, Manufacturer, Name, Wattage, Price) " +
"VALUES(@PSUId, @Manufacturer, @Name, @Wattage, @Price)";
var cmd = new SqlCommand(query, connection);
cmd.Parameters.AddWithValue("@PSUId", ClassPSU.Id);
cmd.Parameters.AddWithValue("@Manufacturer", ClassPSU.Manufacturer);
cmd.Parameters.AddWithValue("@Name", ClassPSU.Name);
cmd.Parameters.AddWithValue("@Wattage", ClassPSU.Wattage);
cmd.Parameters.AddWithValue("@Price", ClassPSU.Price);
connection.Open();
int rows = cmd.ExecuteNonQuery();
isSuccess = rows > 0 ? true : false;
}
finally
{
connection.Close();
}
return(isSuccess);
}
