//Delete method public bool Delete(workingdays c) { bool isSuccess = false; SqlConnection conn = new SqlConnection(myconnstrng); try { string sql = "DELETE FROM num_of_days WHERE dayentryId=@dayentryId"; SqlCommand cmd = new SqlCommand(sql, conn); cmd.Parameters.AddWithValue("@dayentryId ", c.dayentryId); conn.Open(); int rows = cmd.ExecuteNonQuery(); if (rows > 0) { isSuccess = true; } else { isSuccess = false; } } catch (Exception ex) { } finally { conn.Close(); } return(isSuccess); }