Ejemplo n.º 1
0
        public bool Delete(contactclass c)
        {
            bool isSuccess = false;

            SqlConnection connec = new SqlConnection(myconnstrng);

            try
            {
                string     sql = "DELETE FROM tbl_visitors WHERE ContactId=@ContactId";
                SqlCommand cmd = new SqlCommand(sql, connec);
                cmd.Parameters.AddWithValue("@ContactId", c.ContactId);
                connec.Open();
                int check = cmd.ExecuteNonQuery();
                if (check > 0)
                {
                    isSuccess = true;
                }
                else
                {
                    isSuccess = false;
                }
            }
            catch (Exception ex)
            {
            }
            finally
            {
                connec.Close();
            }
            return(isSuccess);
        }
Ejemplo n.º 2
0
        public bool Update(contactclass u)
        {
            bool isFine = false;
            //Creating database connextion
            SqlConnection connec = new SqlConnection(myconnstrng);

            try
            {
                //sql query
                string sql = "UPDATE tbl_visitors SET FirstName=@FirstName, LastName=@LastName, ContactNo=@ContactNo, Email=@Email, Gender=@Gender ,Address=@Address WHERE ContactId=@ContactId ";
                //creating cmd using sql and connec
                SqlCommand cmd = new SqlCommand(sql, connec);
                //creating parameters
                cmd.Parameters.AddWithValue("@FirstName", u.FirstName);
                cmd.Parameters.AddWithValue("@LastName", u.LastName);
                cmd.Parameters.AddWithValue("@ContactNo", u.ContactNo);
                cmd.Parameters.AddWithValue("@Email", u.Email);
                cmd.Parameters.AddWithValue("@Gender", u.Gender);
                cmd.Parameters.AddWithValue("@Address", u.Address);
                cmd.Parameters.AddWithValue("@ContactId", u.ContactId);

                //opening Connection
                connec.Open();

                int rows = cmd.ExecuteNonQuery();
                if (rows > 0)
                {
                    isFine = true;
                }
                else
                {
                    isFine = false;
                }
            }
            catch (Exception ex)
            {
            }
            finally
            {
                connec.Close();
            }

            return(isFine);
        }
Ejemplo n.º 3
0
        //Inserting data into database
        public bool Insert(contactclass c)
        {
            bool isSuccess = false;

            //1.Connect Databse
            SqlConnection conn = new SqlConnection(myconnstrng);

            try
            {
                //2.Creating sql query to insert data

                string sql = "INSERT INTO tbl_visitors (FirstName,LastName,ContactNo,Email,Gender,Address) VALUES(@FirstName,@LastName,@ContactNo,@Email,@Gender,@Address)";
                //sql cmd using sql and conn
                SqlCommand cmd = new SqlCommand(sql, conn);
                //Create parameters to add data
                cmd.Parameters.AddWithValue("@FirstName", c.FirstName);
                cmd.Parameters.AddWithValue("@LastName", c.LastName);
                cmd.Parameters.AddWithValue("@ContactNo", c.ContactNo);
                cmd.Parameters.AddWithValue("@Email", c.Email);
                cmd.Parameters.AddWithValue("@Gender", c.Gender);
                cmd.Parameters.AddWithValue("@Address", c.Address);
                //Connection open
                conn.Open();
                int rows = cmd.ExecuteNonQuery();
                if (rows > 0)
                {
                    isSuccess = true;
                }
                else
                {
                    isSuccess = false;
                }
            }
            catch (Exception ex)
            {
            }
            finally
            {
                conn.Close();
            }

            return(isSuccess);
        }