public Authors FindAuthor(int id)
{
MySqlConnection Connect = new MySqlConnection(ConnectionString);
Authors result_author = new Authors();
try
{
string query = "select * from authors where authorid = " + id;
Debug.WriteLine("Connection Initialized...");
Connect.Open();
MySqlCommand cmd = new MySqlCommand(query, Connect);
MySqlDataReader resultset = cmd.ExecuteReader();
List <Authors> authors = new List <Authors>();
while (resultset.Read())
{
Authors currentauthor = new Authors();
for (int i = 0; i < resultset.FieldCount; i++)
{
string key = resultset.GetName(i);
string value = resultset.GetString(i);
Debug.WriteLine("Attempting to transfer " + key + " data of " + value);
switch (key)
{
case "authorfname":
currentauthor.SetAuthorfname(value);
break;
case "authorlname":
currentauthor.SetAuthorlname(value);
break;
}
}
authors.Add(currentauthor);
}
result_author = authors[0];
}
catch (Exception ex)
{
Debug.WriteLine("Something went wrong in the find Author method!");
Debug.WriteLine(ex.ToString());
}
Connect.Close();
Debug.WriteLine("Database Connection Terminated.");
return(result_author);
}
public void Update_Author(int authorid, Authors new_author)
{
string query = "update authors set authorfname='{0}', authorlname='{1}' where authorid={2}";
query = String.Format(query, new_author.GetAuthorfname(), new_author.GetAuthorlname(), authorid);
MySqlConnection Connect = new MySqlConnection(ConnectionString);
MySqlCommand cmd = new MySqlCommand(query, Connect);
try
{
Connect.Open();
cmd.ExecuteNonQuery();
Debug.WriteLine("Executed query " + query);
}
catch (Exception ex)
{
Debug.WriteLine("Something went wrong in the Update_Author Method!");
Debug.WriteLine(ex.ToString());
}
Connect.Close();
}
//adding a new author
public void Add_Author(Authors new_author)
{
string query = "insert into authors (authorfname, authorlname) values('{0}', '{1}')";
query = String.Format(query, new_author.GetAuthorfname(), new_author.GetAuthorlname());
MySqlConnection Connect = new MySqlConnection(ConnectionString);
MySqlCommand cmd = new MySqlCommand(query, Connect);
try
{
Connect.Open();
cmd.ExecuteNonQuery();
}
catch (Exception ex)
{
Debug.WriteLine("Something went wrong in the Add_Author Method!");
Debug.WriteLine(ex.ToString());
}
Connect.Close();
}
