public bool Update(urediKlasa c) { //Create a boolean var and set its default value to false bool isSuccess = false; //Create an object of SqlConnection to connect DB SqlConnection conn = new SqlConnection(myconnstrng); try { //Create a string var to store the insert query String sql = "UPDATE tblMembers SET ime=@ime , prezime=@prezime , spol=@spol , datum_rodenja=@datum_rodenja , email=@email , vrsta_treninga=@vrsta_treninga WHERE gym_id=@gym_id"; //Create an SQL command to pass the value in our query SqlCommand cmd = new SqlCommand(sql, conn); //Create the paramater to get value from UI and pass it to SQL query above cmd.Parameters.AddWithValue("@gym_id", c.gym_id); cmd.Parameters.AddWithValue("@ime", c.ime); cmd.Parameters.AddWithValue("@prezime", c.prezime); cmd.Parameters.AddWithValue("@spol", c.spol); cmd.Parameters.AddWithValue("@datum_rodenja", c.datum_rodenja); cmd.Parameters.AddWithValue("@email", c.email); /* cmd.Parameters.AddWithValue("@datum_placanja", c.datum_placanja); * cmd.Parameters.AddWithValue("@datum_vrijedi_do", c.datum_vrijedi_do); */ cmd.Parameters.AddWithValue("@vrsta_treninga", c.vrsta_treninga); // cmd.Parameters.AddWithValue("@slika", c.slika); //Open DB connection conn.Open(); //INT value to hold the value after query is executed int rows = cmd.ExecuteNonQuery(); if (rows > 0) { //Query executed successfully isSuccess = true; } else { //Failed to execute query isSuccess = false; } } catch (Exception ex) { //Display error mssg if there is any exceptional errors MessageBox.Show(ex.Message); } finally { //Close DB connection conn.Close(); } return(isSuccess); }
public bool Delete(urediKlasa c) { bool isSuccess = false; SqlConnection conn = new SqlConnection(myconnstrng); try { String sql = "DELETE FROM tblMembers WHERE gym_id=@gym_id"; SqlCommand cmd = new SqlCommand(sql, conn); cmd.Parameters.AddWithValue("@id", c.id); conn.Open(); int rows = cmd.ExecuteNonQuery(); if (rows > 0) { //Query executed successfully isSuccess = true; } else { //Failed to execute query isSuccess = false; } } catch (Exception ex) { //Display error mssg if there is any exceptional errors MessageBox.Show(ex.Message); } finally { //Close DB connection conn.Close(); } return(isSuccess); }